人教版必修四unit2知识点

Unit2 Working the land

Ⅰ. 常考单词必背

1．struggle vt.&vi. 斗争；拼搏；努力

The old man has been struggling with/against illness.

这位老人一直在与病魔作斗争。

[快速闪记]

struggle with sb 与某人搏斗；斗争

struggle against 为抵抗……而斗争(搏斗，抗争)

struggle for 为……努力(斗争)

struggle to one's feet 挣扎(努力)站起来

struggle to do sth 努力做某事

2．disturbing adj. 引起烦恼的；令人不安的

It is very disturbing that we haven't seen him for a long time.

好长时间没见到他，这令我们深感不安。

[快速闪记]

disturb vt. 打扰；弄乱；使不安

disturbed adj. 心神不宁的；担心的

3. expand vt.&vi. 使变大；伸展

They tried their best to expand the little firm into a big company；that is，the little firm expanded into a big company.

他们尽力把这家小公司发展成了一家大公司；也就是说，这家小公司发展成了一家大公司。

[快速闪记]

(1)expand...into... 把……扩展/发展成……

expand into... 发展成/扩大成……

(2)expansion n. 扩大，膨胀

4．rid vt. 摆脱；除去

It's not easy to rid oneself of a habit.

要改掉一个习惯是不容易的。

[快速闪记]

rid...of... 摆脱；除去

get/be rid of 摆脱；除去；处理掉

5．equip vt.&vi.配备；装备

A good education should equip you for life.

良好的教育能使你受用终生。

[快速闪记]

(1)equip sb/sth with 用……武装某人；用……装备某物

equip sb/sth for 为……而武装某人；为……而装备某物

be equipped with 配备有……

(2)equipment n. 装备；设备

6．confuse vt. 使迷惑；使为难

He was really confused about the confusing result of the election.

这个令人困惑的选举结果让他非常困惑。

[快速闪记]

(1)confuse A with B把A和B混淆

be confused about sth 对……感到困惑

(2) confused adj. 糊涂的；困惑的；混乱的

confusing adj. 令人困惑的；难以理解的

confusion n. 混淆；困惑

7. regret vt. 遗憾；惋惜n. 遗憾；懊悔

Tom regretted telling his parents the thing.

汤姆后悔告诉了父母那件事。

[快速闪记]

(1)regret doing...＝regret having done... 后悔做了某事

regret to say/tell/inform... 遗憾地说/告诉/通知……

(2)to one's regret 令某人感到遗憾的是

with regret遗憾地

8. focus n. 焦点；中心点vt. 集中；聚集

She was the focus of everyone's attention.

她是大家注意的焦点。

We need to focus upon the main issues.

我们需要把注意力集中在那些主要问题上。

[快速闪记]

focus on 集中(注意力、精力等)于

9. reduce vt. 减少；减缩

Giving up smoking can reduce the risk of heart disease.

戒烟会减少患心脏病的风险。

[快速闪记]

reduce to... 减少到……(increase to...增加到……)

reduce by... 减少了……(increase by...增加了……)

be reduced to... 沦落为……(to为介词)

10．comment n. 评论；议论vi.&vt. 表达意见；作出评论

People were commenting on her gifts and abilities.

人们在评论她的天资和能力。

[快速闪记]

comment on＝make comments on＝make a comment on 就……发表看法/评论

Ⅱ. 高频短语必会

1．thanks to 幸亏；由于；因为

Thanks to your timely help，I got rid of him smoothly.

多亏你及时的帮助，我顺利地摆脱了他。

[快速闪记]

thanks to，because of，owing to和due to 都是短语介词，都有“由于，因为”的意思，后面都接名词词组构成介词短语。

2．be satisfied with 对……感到满意

I am quite satisfied with the present situation.

我对现状很满意。

[快速闪记]

be satisfied to do... 对做……感到满意

satisfy/meet one's demand 满足某人的要求

3．would rather 宁愿；宁可

I would rather have gone to Brazil，but I was busy then.

我本来可以去巴西，但是当时我忙着。

To my anger，he would rather stay at home than go out for a walk.

让我感到生气的是，他宁愿待在家也不愿出去散步。

[快速闪记]

would rather do sth 宁愿做……

would rather not do sth 宁愿不做……

would rather have done sth 本来想做……

would rather do sth than do sth/would do sth rather than do sth 宁愿……也不……

would rather＋从句(使用过去式或过去完成式)

4．lead to导致；造成(后果)

All roads lead to Rome.

条条道路通罗马。

[快速闪记]

result in 导致；致使

contribute to 导致；促使

5．keep...free from/of 使……免受(影响；伤害等)；使……不含(有害物)

We should keep our city free from/of noise.

我们应该使我们的城市免受噪音的影响。

[快速闪记]

(be) free from/of 没有；不受……损害

free...from 把……从……释放出来；使摆脱

Ⅲ. 写作句式必学

1．Have you ever grown any plants？If so，what did you do to grow them? If not，what kind of plant would you like to try growing?

你种过植物吗？如果种过的话，你是怎样种植的？如果没有种过的话，你想要尝试种什么植物？

2．More than 800 million people go to bed hungry every day.每天，有超过8亿人饿着肚子睡觉。

3．Yuan Longping grows what is called super hybrid rice.

袁隆平种植的是被称之为“超级杂交水稻”的稻种。

4．This special strain of rice makes it possible to produce 20% more of the crop in the same fields.

这种特殊的稻种使得同样的田地多收获五分之一的粮食。

5．Using his hybrid rice，farmers are producing harvests twice as large as before.

用他的杂交水稻种子，农民们种出的粮食比以前多了一倍。

Ⅳ. 短文语法填空，然后背诵短文，熟记本单元的重点词汇。

A New Farming Way

Tuan was a farmer in Vietnam. For decade s，he had been struggling to rid his family of __1__(hungry)．However，it always confuse d him how to expand the output of his crop s. This __2__(disturb) problem led to his regret ting being a farmer. He would rather __3__(choose) another job.

One day，when skim ming through a newspaper，Tuan read a comment on Yuan Longping.He underline d Yuan's nationality and occupation，and then __4__(focus) on his discovery and the statistic s of his research. He found the knowledge Yuan circulate d very practical. Therefore，he made a summary and began to build up __5__ new farming method. He planted super grain of rich nutrition and equip ped __6__(he) to keep his crops' root s free from bacteria and pest s. He also enriched __7__(mineral) in the soil while reducing chemical fertilizer s. Though it cost him __8__(much) time and freedom，he was full of hope.

The next year，Tuan was sunburnt but satisfied with his production very much. Thanks __9__ Yuan Longping，he not only won the battle against hunger，__10__ he could also export his crops abroad.

答案： 1.hunger 2.disturbing 3.have chosen 4.focused

5.a

6.himself

7.minerals

8.more

9.to 10. but

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