选修性必修一Unit5 Working the Land单元知识点归纳

选修性必修一Unit5 Working the Land单元知识点归纳
一、短语与词块
1.devote...to...把...用于；献身于；致力于；专心于
2.work the land 耕种土地；在地里工作
3.pursue a career 从事一种职业
4.a serious shortage of food严重缺少食物
5.in crisis 处于危机中
6.work as 担任；以......身份而工作
7.varieties of （=a variety of）各种各样的
8.boost yields 增加产量
9.to tackle this crisis 为了应对这个危机
10.conventional crops 传统作物
11.A matter of great debate 一个引起很大争论的问题
12.through intense effort 通过不懈的努力
13.to expand output greatly 大幅度增加产量
14.enable sb. to do sth.使某人能做某事
15.It is estimated that...... 据估计....
16.be comprised of 包括；包含；由...组成
17.depend on 依靠；依赖
18.Given that...... 考虑到....；鉴于
19.a life of leisure 一种休闲的生活
20.far from the case 远非如此
21.deep down 从内心深处；本质上；实际上
22.to care little for celebrity and money 不太在乎名声和金钱
23.fulfill one’s dream 实现某人的梦想
24.make donations to do sth. 捐款做某事
25.succeed in doing sth. 成功做某事
26.at home and abroad 国内外
27.open up 打开；开发
28.become a reality 成为现实
29.despite his advanced years 尽管他年事已高
30.dream up 凭空想出；虚构出
31.convince sb. Of sth. 使某人相信某事
32.overcome difficulties 克服困难
33.take on 从事；开始；呈现；承担；雇用
34.make use of 利用
35.make up one’s mind 下定决心
36.realize one’s dream of... 实现某人的...梦想
37.live a green life 过着绿色生活
38.on the increase 正在增长；正在增加
39.care about 关心；在乎
40.over time 随着时间的推移
41.turn to转向；求助于；致力于
42.increase production 增加产量
43.chemical farming/organic farming 化学耕作/有机耕作
44.in addition to 除...... 之外（还有，也）
45.in turn 相应地；转而；依次；轮流
46.as for 至于；关于
47.be essential to/for 对...... 来说必不可少
48.as an alternative 作为另一种选择
49.switch to 转变；转向
50.focus on关注；聚焦于
51.free of 无.....的；摆脱了......
52.for instance 例如；比如
53.a batch of 一批
54.serve the demand 满足要求/需求
55.meet the need满足要求/需求
56.nowhere near 远不及；离......很远
57.cause damage to 对......造成损害
58.be rich/poor in 富含....../......含量少
59.keep......from doing 阻止......做.....
60.afford to do sth. 负担得起做某事
61.have no alternative/choice but to do sth. 别无选择只能做某事
62.take turns to do sth. 轮流做某事
二、重点句式
1.Yuan Longping, known as the “father of hybrid rice” ,is one of China’s
most famous scientists.
袁隆平，被誉为“杂交水稻之父”，是中国最著名的科学家之一。

2.Indeed,his slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life. (介词+关系代词引导非限制性定语从句)
事实上，他瘦削但结实的身躯看起来和他为之奉献了一生的千千万万的中国农民一样。

3.It is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan’s hybrid strains.
据估计，中国国内约60%的大米消费是由袁隆平的杂交水稻品种生产的水稻组成的。

4.Given that Yuan’s hybrids have made him quite wealthy, one might think he would retire to a life of leisure. However, this is far from the case.（Given that...鉴于；考虑到引导条件状语从句）
考虑到杂交水稻已经使袁隆平变得相当富有，人们可能认为他会退休享受闲适的生活。

然而，事实远非如此。

5.Deep down,Yuan is still very much a farmer at heart.As a man of soil,he cares little for celebrity or money.Instead he makes large donations to support agricultural research.
袁隆平在内心深处依然是个农民。

作为一个土生土长的人，他不太在乎名声和金钱。

相反，他大量捐款支持农业研究。

6.What impresses people most about Yuan Longping is his ongoing ability to fulfill his dream. (What引导的主语从句)
袁隆平最让人印象深刻的是他不断实现梦想的能力。

7.Over time,however,what some scientists have found is that their long-term use can sometimes harm both the land and people’s health.
然而，随着时间的推移，一些科学家发现，长期使用它们有时会损害土地和人们的健康。

8.As for chemical fertilizers, crops grown with them usually grow too fast to be rich in nutrition.
至于化肥，通常施了化肥的农作物长得太快，无法提供丰富的营养。

9.Why different crops are grown is because they put important minerals back into the ground, making it ready for the next batch of crops.(Why different crops are grown 为主语从句；making 现在分词作状语，表示一种自然的结果)
为什么种植不同的作物的原因是它们把重要的矿物质释放回地里，让它再次为下一批作物做准备。

10.What keeps them from doing so is the fact that chemical farming serves the high demand for food around the world.
(that chemical farming serves the high demand for food around the world 同位语从句，作fact 的同位语)。