Unit 13 We are trying to save the earth.
知识点及练习
Section A
知识?/p>
1. try v.
试图,努力,尝试
用法?/p>
try to do sth.
尽力做某?/p>
try doing sth.
尝试做某?/p>
try one's best (to do sth.) = do one's best (to do sth.)
尽某人最大的努力
(
做某?/p>
)
短语?/p>
try on
试穿
try out
试用,参加选拔
have a try
尝试,试一?/p>
let me try
让我试一?/p>
2.the earth
地球,表示世界上独一无二的事物前面要加定冠词
the
?/p>
短语?/p>
on the earth
在地球上
on earth
究竟,到?/p>
3. pollution n.
污染,污染物
?/p>
pollute v.
污染?/p>
polluted adj.
被污染的
短语?/p>
air pollution
大气污染,空气污?/p>
noise pollution
噪音污染
water pollution
水污?/p>
4. litter v.
扔垃?/p>
n.
垃圾
= rubbish = trash
短语?/p>
take out the rubbish
倒垃?/p>
throw rubbish / litter
扔垃?/p>
5. the bottom of
?/p>
?/p>
的底?/p>
the top of
?/p>
?/p>
的顶?/p>
6. be full of = be filled with
充满
…?/p>
7. play a part
参与
?/p>
;起作用
play a part in ?/p>
在…方面起作用;参?/p>
…?/p>
,后接名词、代词或动词
-ing
形式?/p>
8.cut
短语
cut down
减少,把
…?/p>
砍?/p>
cut in
插话
cut off
切断;断?/p>
cut up
切碎
cut out
删除
9. instead of
介词短语,后跟名词、代词或动词
ing
形式?/p>
instead
副词,常位于句末。位于句首时,其后有逗号?/p>
10.
It’s good for health and it doesn't cost anything! (P98)
11.be good for
?/p>
…?/p>
有益,反义词?/p>
be bad for
?/p>
be good at
擅长
?/p>
,后接名词、代词或动词
-ing
形式,同义词?/p>
do well in
?/p>
be good with ?/p>
善于应付
……?/p>
?/p>
be good to ?/p>
?/p>
…?/p>
友好
?/p>
,
同义词组
be friendly to
?/p>
12. cost
主语是物?/p>
sth. cost(s) (sb.) some money.
某事物花费了某人一些钱
spend
主语是人?/p>
sb. spend(s) time/money on sth.
某人花费时间
/
金钱在某物上
sb. spend(s) time/money (in) doing sth.
某人花费时间
/
金钱做某?/p>