人教版高二英语选修八 Unit2 Cloning 知识点讲解

Unit 2 Working the land(耕作土地，在田间耕作) 一．单词考点

Section A Warming-up,Reading&Comprehending

1.struggle的用法

⑴作vi.时，“斗争；拼搏；努力”

搭配：for...为……而斗争

struggle against...与……作斗争

with...与……并肩作战

to do sth....努力做某事

eg:Millions of people are struggling for survival.

⑵作n.时，[C]“斗争；奋斗；努力”

搭配：with sb.for sth.与某人一起支持某事的斗争

a struggle with sb.against sth.与某人一起反对某事的斗争

with sb.to do sth.与某人一起努力做某事

between A and B A与B之间的斗争

eg:It is a struggle between good and evil.

2.hunger的用法

⑴作n时，[U]“饥饿”[C]“渴望，欲望”

搭配：

with hunger因为/由于饥饿

die of hunger死于饥饿

have a (strong) hunger for sth.(强烈)渴望某物

eg:She has a strong hunger for knowledge.

⑵作vi时，“渴求；渴望得到”

搭配：

hunger for/after...渴望得到

hunger to do sth.渴望做某事

eg:We all hunger for others’ understanding.

3.disturbing

adj 引起烦恼的；令人不安的—disturbed

adj

(感到)心烦意乱的；烦恼的—disturb

vt

使不安

eg:What he said was disturbing.

4.expand v “使变大；伸展”的用法

搭配：

expand...into...把……扩展/发展成……

expand into...扩展/膨胀成……

expand (up)on阐述，详谈

eg:①Tom is expanding his story into a novel.

②Expand this sentence into a paragraph.

区别：expand,extend,enlarge,stretch

⑴expand指范围、体积的扩大，尤指向四面八方扩大、扩张。

⑵extend指长度、宽度的延伸及时间的延长。强调向某一方向延长。

⑶enlarge指面积、体积的扩大。

⑷stretch指手掌、手臂、腰、腿、颈由曲变直，由短变长，即伸展或伸出，多与out连用；还有“拉紧，拉直”之意。

5.rid“摆脱”的用法

短语：

rid sb./sth.of sb./sth.使某人/某物摆脱某人/某物

get rid of sb./sth.摆脱某人/某物；除去某人/某物

6.would rather“宁愿，宁可”

搭配：

do sth.

would rather

that从句(一般虚拟语气)

would rather do...than do...=would do...rather than do...“宁愿做某事而不愿做某事”(注：rather than可位于句首，表示强调。)

eg:①I'd rather you went home now.

②I would rather you came tomorrow.

③I'd rather you had stayed at home last night.

7.therefore adv “因此；所以；因而”的用法

eg:He was caught cheating in the exam and therefore,he was punished by the school.

区别：therefore,so

⑴therefore常用逗号隔开；表示推理，重点放在therefore所在的句子上，因此结论通常没有必然性。

⑵so非正式用词，用于简洁的会话和平时的对话中，推论不必严密。

8.equip vt“装备，配备”(—equipment n.[U]“设备；装备”)

搭配：

equip sb.with sth.用某物装备某人

equip sb./sth.for...为……装备某人/某物

be equipped with装备，配备；安装

be equipped for...对……有准备；准备好……

be equipped to do sth.使某人有准备做某事

eg:Our classroom is equipped with an air conditioner.

9.export的用法

⑴作vt&vi时，“出口；输出”

eg:①We export rice but import wheat.

②China exports to many other countries.

⑵作n时，[U]“出口”[C]“出口产品，输出产品”

eg:①Half of our products are for export.

②Rubber is the country’s major export.

[U]进口，输入；[C尤作复数]进口产品

注：反义词为：import n&

vt

eg:The country has to import most of its grain.

10.occupation n[C]“工作，职业”[U]“侵占，占领”

区别：occupation,profession,career,job

⑴occupation,指一般意义上的“职业”，任何职业都可叫做occupation；填表格时的“职业”。

⑵profession,“职业”指带有知识性的专门职业，从业者经过特殊教育和训练，如：医生、律师、教师等。

⑶career,“职业，生涯”，强调人们可多年、甚至终生从事的职业。适用性比profession广。

⑷job“工作”可数名词。可指任何有收益的工作，长期的或是临时的，不需培训的力气活或要求极高的专业工作。Section B Learning about Language

1.confuse vt“使迷惑，使为难”的用法

confuse vt—confused adj“糊涂的，困惑的”—confusing adj“令人迷惑的，模糊不清的”

搭配：

confuse...with...把……和……弄混