2024年4月3日发(作者：)

Unit 1 Nature in the balance

根据词性和汉语提示，写出下列单词

1．harm

n

．&

vt

.伤害，损害→harmful

adj

.有害的→harmless

adj

.无害的

2．long

adj

.长的，长时间的→length

n

．长，长度；时间的长短；篇幅，(电影)片长

3．survive

vi

.生存，存活

vt

.幸存，幸免于难→survival

n

．残存物；幸存事物→survivor

n

．幸存者；生还者

4．disappear

vi

.不复存在，灭绝，消亡；消失；失踪→disappearance

n

．消失；失踪

5．agriculture

n

．农业，农学→agricultural

adj

.农业的

1．variety

n

．不同种类；变化，多样性；变种，变体

①I was impressed by the variety of dishes on offer.不同种类

②We want more variety in our work.变化，多样性

③Apples come in a great many varieties.变种，变体

2．living

adj

.活着的，活的；在使用的

n

．生计，谋生；生活方式

①Father never talked about what he did for a living.生计

②Chinese is one of the most beautiful languages that is living in the world.

在使用的

③He is the finest living pianist that I have ever seen.活着的

Words and Phrases

知识要点1

harm

n

．&

vt

.伤害，损害

(教材P

1

)The human race has done much harm.

人类已经造成了许多危害。

[例1] What should be done to punish people who do harm to the animals?

应该做些什么来惩罚那些伤害动物的人呢？

[例2] Too much direct sunlight will harm the plants.

过多的阳光直射会损害植物。

[造句] 他们对热带雨林造成了严重危害。

They did serious harm to tropical rainforest.

[知识拓展]

(1)do sb./＝do harm to sb./sth.

对……有害

There is no harm (in)doing sth. 做某事并无害处

(2)harmful

adj

.

be

(3)harmless

adj

.

[即学即练] 单句语法填空

①Walking in the air full of smog is harmful(harm)to us.

②Drinking too much does harm to your health.

③There is no harm saying(say)sorry to him first.

④We all know that smoking does(do)harm to our health.

知识要点2

variety

n

．不同种类；变化，多样性；变种，变体

(教材P

3

)The forest's different levels support an unbelievable variety of

wildlife.

雨林的不同层次使种类多到难以置信的野生动植物得以生存。

[例1] We all need variety in our diet.

我们都需要饮食多样化。

[例2] I'm always pleased to try out a new variety.

我一直乐于尝试新品种。

[造句] 我们有各种款式和尺码的货品。

We stock a wide variety of styles and sizes.

[归纳拓展]

(1)a variety of＝varieties of ＝various

(2)vary

v

.

[即学即练] 单句语法填空

①For various(variety)reasons，we couldn't attend her wedding.

②Students are offered varieties(variety)of courses in this department.

③That sort of thing varies from person to person in African countries.

④The menu in the restaurant varies with the season.

[小片段助记]

I am glad that our students have varieties of questions to ask in class，and I

各种各样的；不同种类的

变化多；变化；使多样化

从……到……不等；

在……到……之间变动

随……而变动

有害的

对……有害

无害的