完整word版,2019届安徽省六校联考高三英语试题

安徽六校教育研究会2019届高三第二次联考

英语试题

命题：安徽师范大学附属中学

考试时间：120 分钟；试卷分值：150 分。

注意事项：

1.答卷前，考生务必将自己的姓名、准考证号填写在答题卡上；

2. 回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其它答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。考试结束后，将本试卷和答题卡一并交回。

第Ⅰ卷

第一部分听力(共两节，满分30分)

第一节(共5小题；每小题1.5分，满分7.5分)

听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。

1.When is the supermarket closed on weekends?

A.At 9:00 pm.

B. At 10:00 pm.

C. At 11:00 pm.

2.What does the man mean?

A.The problems are hard for him too.

B.He has dealt with all the problems.

C.The woman should make a good plan.

3.Who is the woman most probably?

A.The man’s mother.

B. The man’s boss.

C. The man’s colleag ue.

4.What will the weather be like this evening?

A.Rainy.

B. Cloudy.

C. Fine.

5.What are the two speakers mainly talking about?

A. A new movie.

B. An old movie.

C. A fun experience.

第二节(共15小题；每小题1.5分，满分22.5分)

听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料，回答第6、7题。

6.How many people will go on a picnic?

A.Two.

B. Three.

C. Four.

7.How will the man go to the picnic place tomorrow?

A.By bus.

B. The woman will drive him.

C. On foot.

听第7段材料，回答第8、9题。

8.When will the man leave?

A.Half an hour later.

B. One hour later.

C. Two hours later.

9.Why does the man say it’s a pity?

A.The woman throws away the sports section without reading it.

B.The woman knows little about sport games.

C.The woman seldom watches news on TV.

听第8段材料，回答第10至12题。

10.What is the man’s present job?

A. A computer operator.

B. A typist.

C. A salesman.

11.What is the woman’s attitude to the man’s changing his job?

A.She approves of it.

B.She disagrees with it.

C.She thinks it makes no difference.

12.When does the conversation take place?

A.In the morning.

B. At noon.

C. In the afternoon.

听第9段材料，回答第13至16题。

13.When will the performance end this Friday night?

A.At 8:00 pm.

B. At 8:30 pm.

C. At 9:00 pm.

14.Why does the man want to leave the band?

A.To focus on his study.

B. To work part-time.

C. To join a new band.

15.What does the man do in the band?

A.He sings.

B. He plays the guitar.

C. He plays the piano.

16.What does the woman mean in the end?

A.The man is good at his study.

B.The man should study harder.

C.The man shouldn’t leave the band.

听第10段材料，回答第17至20题。

17.Where is the woman most probably?

A.In a classroom.

B. At home.

C. In a studio.

18.What does the woman most probably think of the Grand Canyon?

A.Quiet.

B. Dangerous.

C. Amazing.

19.What is Maui?

A.An island.

B. A town.

C. A large city.

20.What is the main attraction in San Diego?

A.The San Diego Zoo.

B. The city.

C. The beach.

第二部分阅读理解(共两节，满分40分)

第一节（共15小题；每小题2分，满分30分）

阅读下列短文，从每小题所给的4个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。

A

Lovell Camps Kids’ Club in Switzerland

Lovell Camps Kids’ Club is an English language Montessori（蒙台梭利）style club. Children will enjoy a wonderful and safe learning experience which includes language activities, cooking,

arts and crafts, singing, dancing, etc.

Learning outside the classroom plays a necessary role at Lovell Camps, making children experience the outdoors. During the summer months this can include visits to local playgrounds, farms and indoor or outdoor swimming pools. Winter time gives children the chance to go skiing and play outside in the snow.

Admission:

The Lovell Camps Kids’ Club is fo r pre-school children aged between 2 and 5.

What’s included:

Fees include: Healthy snacks and school equipment. If you choose the skiing activity, fees include transportation to and from the ski hill and professional ski instructions.

Fees do not include:Ski rentals, round-trip transportation from Kids’ Club to home and medical insurance.

Time:

Kids’ Club is open from December to March and in July and August. It is closed on Mondays during the year.

21. What is the special activity in summer?

A. Getting close to animals.

B. Swimming in the pool.

C. Singing and dancing.

D. Visiting farms.

22. Lovell Camps Kids’ Club is designed for 2- to 5-year-olds ____.

A. who are good at swimming

B. who enjoy outdoor activities

C. who want to learn skiing

D. who are interested in playing sports

23. For which of the following should kids pay extra?

A. Medical insurance.

B. Healthy snacks.

C. School equipment.

D. Transportation to the ski hill.

B

I can proudly say that last year I broke the record for the oldest person in the world to ride a roller-coaster. I’m 105, but I feel younger. Even the doctor agrees I’m in good condition. I’m a bit deaf and my legs feel weak, but they are the only issue.

I rode the Twistosaurus at Flamingo Land, which spins you round quite fast. I didn’t choose to go on that. I’d have preferred a really fast one that went upside down. But I was told I couldn’t ride something like that, because my blood pressure could drop and I might have some danger.

I wasn’t nervous —I don’t get frightened of anything. I was securely fastened, so I knew I wouldn’t fall out. The roller-coaster ride went on for three or four minutes, and it couldn’t be a better experience. And I raised a lot of money for the Derbyshire, Leicestershire & Rutland Air Ambulance fund, which was fantastic.

People were saying I’d got a place in the Guinness World Records. Later, someone came to present me with the certificate. I had it on the wall in my living room, with another one that got a year earlier.

My record-breaking ways really began a couple of years ago, with the ice-bucket challenge. It turned out that I was probably the oldest person in the world to do it, and the video was very popular. After that, I stared to think about what else I could do to raise money for different charities.

I’m not sure if anyone admires all the fun I’m having. They just say I’m daft and that’s about it. But I’ve had many good days and many exciting times. I’ve had a really good life. I don’t think I’ve wasted any of it.

24. Why didn’t the author choose to go on riding the Twistosaurus?

A. Because he was in a bad physical condition.

B. Because he was told not to do so.

C. Because he considered it too gentle.

D. Because he thought it spun too fast.

25. How did the author most probably react while riding the roller-coaster?

A. He really enjoyed himself.

B. He was very worried at first.

C. He couldn’t think much about it.

D. He got frightened as it started moving.

26. What do you know about the author from Paragraph 4?

A. He was the oldest person in the world.

B. He set a record the year before last year.

C. He disliked showing off his success.

D. He was eager to get certificates.

27. What does the underlined word “daft” in the last paragraph pro bably mean?

A. healthy.

B. strong.

C. crazy.

D. funny.

C

The American dream is the faith held by many people in the United States of America that through hard work, courage, creativity and determination, they can achieve a better life for themselves. More specifically, they agree on how to get ahead in America: get a college education, find a reliable job, and buy their own house. But do Americans still believe in that path, and if they do, is it attainable?

The most recent National Journal poll asked participants about the American dream, what it takes to achieve their goal, and whether or not they felt the control over their ability to be successful. Obviously, the results show that today, the idea of the American dream and what it takes to achieve it looks quite different from it did in the late 20th century. Generally speaking, people felt that their actions and hard work —not outside force —deciding their lives. But the participants had definitely mixed feelings about what actions make for a better life in the current economy.

In the last seven years, Americans have grown more pessimistic（悲观的）about the power of education to lead to success. Even though they see going to college as a fairly achievable goal, a majority — 52 percent — think that young people do not need a 4-year college education in order to be successful.

Miguel Maeda, 42, who has a master’s degree and works in public health, was the first in his family to go to college, which has allowed him to achieve a sense of financial stability（稳定）his parents and grandparents never did. While some, like Maeda, emphasized the value of degree rather than the education itself, others still see college as a way to gain new viewpoints and life experiences. To Fendley, a sense of drive and purpose, as well as an effective high-school education, and basic life skills, like balancing a checkbook（支票簿）, are the necessary elements for a successful life in America.

28. It used to be commonly acknowledged that to succeed in America, one had to have ____.

A. a sense of drive and purpose

B. an advanced academic degree

C. a firm belief in their dream

D. an ambition to get ahead

29. What is the finding of the latest National Journal poll concerning the American dream?

A. More and more Americans are finding it hard to realize.

B. It remains alive among the majority of American people.

C. An increasing number of young Americans are abandoning it.

D. Americans’ idea of it has changed over the past few decades.

30. What do Americans now think of the role of college education in achieving success?

A. It still remains open to debate.

B. It has proved to be beyond doubt.

C. It is much better understood now than ever.

D. It is no longer as important as it used to be.

31. How do some people view college education these days?

A. It helps broaden their minds.

B. It needs to be strengthened.

C. It widens cultural diversity.

D. It promotes gender equality.

D

I read a newspaper article about a new concept. The idea is simple, but revolutionary（革命性的）: combining a residential home for the elderly with a nursery school in the same building. The children and the residents（住户）eat lunch together and share activities such as music, painting and gardening. In the afternoons, the residents enjoy reading stories to the children and, if a child is feeling sad or tired, there is always a kind lap to sit on and a hug.

Nowadays there is less and less contact between the old and the young. There are many reasons for this, including the breakdown of the extended family, working parents with no time to care for ageing relations, and smaller flats with no room for grandparents. But the result is the same: increasing numbers of children without grandparents and old people who have no contact with children. It’s a major problem in many societies.

That’s why inter-generational（代际的）programs are growing in popularity all over the world. There are examples of successful actions all over the world. Using young people to teach IT skills to older people is one obvious example. Using old people as volunteer assistants in schools is another. One successful scheme in London pairs young volunteers with old people who are losing their sight. The young people help with practical things such as writing letters, reading bank statements and helping with shopping, and the older people can pass on their knowledge and experience to their young visitors. For example, a retired judge may be paired with a teenager who wants to study law.

But it isn’t only the individuals concerned who gain from inter-generational activities. The advantages to society are huge too. If older people can understand and accept the youth of today, there will be less conflict in a community. And we can use the strengths of one generation to help another. Then perhaps getting old won’t be so sad after all.

32. Why does the author mention the newspaper article he read?

A. To argue for a new concept.

B. To show his interest in the topic.

C. To introduce the topic of the text.

D. To draw our attention to a social problem.

33. What is the purpose of the inter-generational programs?

A. To provide a good job opportunity for the young.

B. To bring the old and the young together.

C. To teach the young to respect the old.

D. To ask the old to care for the young.

34. What is Paragraph 3 mainly about?

A. The reasons why inter-generational programs enjoy popularity in the world.

B. The inter-generational programs’ benefits to individuals.

C. The inter-generational programs all over the world.

D. The examples of inter-generational activities.

35. What may be the best title for the text?

A. Building bridges for the old and the young.

B. A new concept in caring for the old is born.

C. Offering a warm home for the young.

D. Being old is no more sad.

第二节(共5小题；每小题2分，满分10分)

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

By making positive changes in your life you can become better. 36Here are some quick and easy ways to help you become a better person.

37

Recognize what areas you are lacking. For this you can ask a trusted friend or family member for help. Being unaware of your weaknesses makes it hard for you to improve. The successful people know where they aren’t strong and they use their strengths to make up for it.

Quit a bad habit.

Quitting a bad habit is good for you. 38If you aren’t ready to quit your bad habits right away, start out with small steps. Find a trusted friend that can give you encouragement if you’re struggling.

Break up with negative thinking.

39This can have a bad influence on your life. Negative thinking really makes you down mentally and physically. Trying to think more positively helps you reduce stress and requires you

to stop making excuses.

Treat others with kindness.

Showing other people that you care for them is a great way to be a better person. 40 Something just like buying a coffee for your classmates can make a huge positive impact on their and your day.

A. Know your weaknesses.

B. Take better care of yourself.

C. Negative friends often complain about things.

D. Do you always see the negative side of things?

E. It not only makes you a better person, but it makes you more confident.

F. However, it may be tough sometimes to figure out how to do it.

G. Small acts of kindness will make other people feel better and lift your spirits as well.

第三部分英语知识运用(共两节，满分45分)

第一节完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

Years ago, we celebrated our oldest son’s first birthday by holding a super party. I spent months 41 , cutting out handmade banners（横幅）and making all kinds of decorations. I kept 42 my husband’s work as he built a cardboard city background. And I would lose 43 of my emotions when it didn’t progress exactly as I 44 .

I didn’t know exactly why I stuck to 45 a party like that, but I felt this unspoken 46 . It was a feeling that my 47 as a mom and my love for my son were tied to how 48 this party was. Actually my son was turning one year old, and he had no idea what was going on. 49 , this clearly meant nothing to him.

I tried to 50 other people and maybe even prove something to myself, only to find it made me 51 . On his birthday, I put on a ton of makeup（化妆品）to 52 my stress and smiled to our 53 even though I nearly broke down. It was the 54 party because of the memories attached to it! I ruined a 55 memory for me as a mother and decided to make a 56 .

Last weekend, we celebrated my other son Hudson’s sixth birthday. He asked a Ninjago theme,

so a week before the party, I searched Amazon (a shopping website) and 57 a banner and some basic party materials as he 58 . On that day, we ordered a big meal and used disposable （一次性的）plates to avoid hours of cleaning up. The party was 59 but perfect. As Hudson went to bed that night, he told me it was his best birthday ever.

Parents’60 for kids does not lie in the complexity of celebrating kids’ birthday.

41. A. researching B. preparing C. thinking D. studying

42. A. ignoring B. doubting C. finding D. checking

43. A. control B. count C. sight D. track

44. A. learned B. explained C. expected D. promised

45. A. damaging B. arranging C. attending D. leaving

46. A. fears B. concern C. questions D. pressure

47. A. dream B. job C. identity D. post

48. A. personal B. difficult C. familiar D. brilliant

49. A. However B. Therefore C. Anyhow D. Besides

50. A. persuade B. remind C. inspire D. impress

51. A. delighted B. annoyed C. tired D. astonished

52. A. create B. cover C. express D. experience

53. A. neighbors B. relatives C. colleagues D. guests

54. A. worst B. newest C. best D. biggest

55. A. clear B. bitter C. precious D. accurate

56. A. mess B. deal C. joke D. change

57. A. designed B. purchased C. made D. wanted

58. A. taught B. did C. demanded D. commanded

59. A. splendid B. complicated C. plain D. boring

60. A. affection B. praise C. sympathy D. advice

第Ⅱ卷

第二节（共10小题；每小题1.5分，满分15分）

阅读下面的短文，在空白处填入1个适当的单词或括号内单词的正确形式。

National Love Our Children Day began in America in 2004. It 61 (fall) on the first Saturday in April. 62 (it) aim is to honor and celebrate America’s children and stress the

63 (important) of love as they grow up. It is also intended to promote the relationship of family members and raise awareness of the need to protect children 64 the harmful side of society. Some people may argue that every day should be Love Our Children Day. However, there are millions of other children 65 are less fortunate and grow up without a loving childhood. Healthy and happy children provide the basis for a safe society for future generations when they become 66 (parent).

National Love Our Children Day 67 (start) by the organization Love Our Children USA nearly 15 years ago. It helps to organize events across America to make children feel 68 (delight). Their website advises us 69 (spend) the day with the children and do something special together or buy them something they’ve been dreaming for 70 long time. Former mayor of New York City, Michael Bloomberg, also said, “All of our children deserve the love, encouragement and respect which they need to reach their full potential today and every day of the year.”

第四部分写作（共两节，满分35分）

第一节短文改错（共10小题；每小题1分，满分10分）

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1．每处错误及其修改均仅限一词；

2．只允许修改10处，多者（从第11处起）不计分。

There is an old man live next to my door. He lives alone. Occasional his children will come to visit to him. When we asked him the reason for which he didn’t move to live with his children, he said he didn’t want to trouble them because their different lifestyles. The man likes to sit in front of the shop, that people chat excitedly every day. Once he helped the woman carry heavy food home. Besides, whenever someone ask for informations, he knows everything. He is surely a good person. And we were willing to look on her as our friend.

第二节书面表达（满分25分）

假定你是李华，正在你班学习汉语的英国留学生Bill对中国的建筑很感兴趣，周末你想带他到苏州园林游玩。请你给Bill写一封电子邮件，邀请他一同前往。

注意：

1．词数100左右；

2．可以适当增加细节，以使行文连贯。

3．开头语已写好，不计入总词数。

Dear Bill,

How are you doing?

Yours,

Li Hua

安徽六校教育研究会2019届高三第二次联考

英语参考答案及评分标准

听力理解：1-5. BCAAB 6-10. CBBAC 11-15. ABBAB 16-20. BCCAC

阅读理解：21-25. DBACA 26-30. BCBDD 31-35. ACBDA 36-40. FAEDG

完形填空：41-45. BDACB 46-50. DCDBD 51-55. CBDAC 56-60. DBCCA

语法填空：

61. falls 62. Its 63. importance 64. from/ against 65. who/that

66. parents 67. was started 68. delighted 69. to spend 70. a

短文改错：

第一句：live→living

第三句：occasional→occasionally;去掉第二个to

第四句：because后加of

第五句：that→where

第六句：the→a

第七句：ask→asks; informations→ information

第九句：were→are; her→him

书面表达：

Dear Bill,

How are you doing? I’m writing to invite you to visit Suzhou Gardens with me.

As the weather is excellent this weekend, I will pay a visit to Suzhou Gardens, a beautiful tourist attraction. As far as I know, you are deeply interested in Chinese history and culture, especially Chinese buildings of fancy designs. In Suzhou Gardens, I’m convinced that you are sure to be attracted by varieties of buildings. If free, would it be possible for you to meet me at the railway station at 6 a.m. on Saturday morning? We will go there by train and return on Sunday afternoon. I would be delighted if you could be with me.

I am looking forward to your reply.

Yours,

Li Hua

2019年高考英语试题(全国Ⅰ卷)答案

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安徽省六校教育研究会2021年高三第一次联考物理试题

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安徽六校教育研究会 2018 届高三第二次联考
理综试题
命题：合肥一六八中学
考试时间：150 分钟 分值：300 分
可能用到的相对原子质量：H：1 C：12 O：16 Cl：35.5 Cu：64
第Ⅰ卷 （选择题 共 126 分）
一 选择题（本题共 13 小题，每小题 6 分，共 78 分，每小题只有一个选项符合题意）
1.下列有关细胞器的说法正确的是（
）
A.核糖体是细菌、噬菌体、酵母菌唯一共有的细胞器
B.线粒体是进行有氧呼吸的主要场所，在其中生成的产物有丙酮酸、二氧化碳和水等
C.叶绿体是细胞进行光合作用的必需结构，其中含有少量 DNA 和 RNA
D.在植物细胞有丝分裂的末期，细胞中的高尔基体活动增强
2.下列有关生物科学研究方法的叙述正确的是（
）
A.卡尔文利用同位素示踪技术探明了 CO2 中的 C 在光合作用中的转移途径 B.摩尔根运用类比推理法证实了基因在染色体上
C.萨克斯通过对照实验证明光合作用的产物中有葡萄糖
D.赫尔希和蔡斯通过噬菌体侵染细菌的实验证明了 DNA 是主要的遗传物质
3.下列有关细胞的物质输入和输出的说法中正确的是（ ）
A.只有大分子物质才能通过胞吞或胞吐的方式进出细胞
B.同种离子进出所有细胞的跨膜运输方式是相同的
C.土壤板结会影响植物根部细胞转运某些离子的速率
D.当植物细胞内外存在浓度差时，细胞就会发生质壁分离或复原
4.某常染色体隐形遗传病在人群中发病率为 1%，色盲在男性中发病率为 7%，现有一对
表现正常的夫妇，妻子为该常染色体遗传病致病基因和色盲致病基因携带者。那么他们
所生男孩同时患上上述两种遗传病的概率是（
）
A.1/24
B.1/44
C.1/88
D.7/2200
5.自然种群的增长一般呈“S”型。假设某自然种群的数量为 N，环境容纳量为 K，S1-S5
是“S”型曲线上的 5 个点。根据下表所示数据，有关说法错误的是（
）
曲线上的点 S1 S2 S3 S4 S5
种群数量 20 50 100 150 180
（K-N）/K 0.90 0.75 0.50 0.25 0.10
A.该种群的 K 值为 200 B.S5 不是该种群的种内斗争最激烈的时刻 C.若该种群为蝗虫种群，则防治蝗虫应在 S3 之前 D.（K-N）/K 的比值越小，种群增长速率越小 6.小肠黏膜受到食物和胃酸的刺激会分泌促胰液素，促胰液素能作用于胰腺引起胰液分 泌。下列相关分析正确的是（ ）

2019年浙江省高考英语试卷(解析版)

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In the army． B. In an antique shop． C. From his mother． D. From Adeline Rockko． 2.What did Zac realize when Adeline drove to meet him？______ A. She was very impolite． B. She was serious about the medal． C. She suspected his honesty． D. She came from a wealthy family． 3.What made Adeline treasure the Purple Heart？______ A. Her parents' advice． B. Her knowledge of antiques． C. Her childhood dream． D. Her memory of her brother． B Money with no strings attached. It's not something you see every day. But at Union Station in Los Angeles last month, a board went up with dollar bills attached to it with pins and a sign that read, "Give What You Can,Take What You Need." People quickly caught on. And while many took dollars, many others pinned their own cash to the board. "People of all ages, races, and socio-economic(社会经济的) backgrounds gave and took," said Tyler Bridges of The Toolbox, which created the project. "We even had a bride in her wedding dress come up to the board and take a few dollars." Most of the bills on the board were singles, but a few people left fives,tens and even twenties.The video clip(片段) shows one man who had found a $20 bill pinning it to the board. "What I can say for the folks that gave the most,is that they were full of smiles," Bridges said. "There's a certain feeling that giving can do for you and that was apparent in those that gave the most." Most people who took dollars took only a few, but Bridges said a very small number took as much as they could. While the clip might look like part of a new ad campaign, Bridges said the only goal was to show generosity and sympathy. He added that he hopes people in other cities might try similar projects and post their own videos on the Internet. "After all, everyone has bad days and good days." he said. "Some days you need a helping hand and some days you can be the one giving the helping hand." 4.What does the expression "Money with no strings attached" in Paragraph 1 mean? A. Money spent without hesitation. B. Money not legally made. C. Money offered without conditions. D. Money not tied together. 5.What did Bridges want to show by mentioning the bride? A. Women tended to be more sociable. B. The activity attracted various people. C. Economic problems were getting worse. D. Young couples needed financial assistance. 6.Why did Bridges carry out the project? A. To do a test on people?s morals. B. To raise money for his company. C. To earn himself a good reputation. D. To promote kindness and sympathy. C California has lost half its big trees since the 1930s, according to a study to be published Tuesday and climate change seems to be a major factor(因素). The number of trees larger than two feet across has declined by 50 percent on more than 46,000 square miles of California forests, the new study finds. No area was spared or unaffected, from the foggy northern coast to the Sierra Nevada Mountains to the San Gabriels above Los Angeles. In the Sierra high country, the number of big trees has fallen by more than 55 percent; in parts of southern California the decline was nearly 75 percent. Many factors contributed to the decline, said Patrick McIntyre, an ecologist who was the lead author of the study. Woodcutters targeted big trees. Housing development pushed into the woods. Aggressive wildfire control has left California forests crowded with small trees that compete with big trees for resources(资源). But in comparing a study of California forests done in the 1920s and 1930s with another one between 2001 and 2010, McIntyre and his colleagues documented a widespread death of big trees that was evident even in wildlands protected from woodcutting or development. The loss of big trees was greatest in areas where trees had suffered the greatest water shortage. The researchers figured out water stress with a computer model that calculated how much water trees were getting in comparison with how much they needed, taking into account such things as rainfall, air temperature, dampness of soil,and the timing of snowmelt(融雪). Since the 1930s, McIntyre said,the biggest factors driving up water stress in the state have been rising temperatures,which cause trees to lose more water to the air, and earlier snowmelt, which reduces the water supply available to trees during the dry season. 7.What is the second paragraph mainly about? A. The seriousness of big-tree loss in California. B. The increasing variety of California big trees. C. The distribution of big trees in California forests. D. The influence of farming on big trees in California. 8.Which of the following is well-intentioned but may be bad for big trees? A. Ecological studies of forests. B. Banning woodcutting. C. Limiting housing development. D. Fire control measures. 9.What is a major cause of the water shortage according to McIntyre? A. Inadequate snowmelt. B. A longer dry season. C. A warmer climate. D. Dampness of the air. 10.What can be a suitable title for the text?

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