5.though adv.可是;倒是;然而
[用法]though作副词讲,一般放在句尾,常用逗号与句子分开。
[例] (1)He said he would come, he didn't, though. 他说他会来,可是他并没有来。
(2) He has a bit cold. It's nothing serious, though.
他有点感冒,不过不太严重。
[拓展]though作“虽然”“尽管”解时是连词,连接一个表示让步的状语从句,从句可放在句句尾。
(1) Though it was so cold, he went out without a coat.
天气虽然很冷,但是他却没穿外衣就出去了。
(2)He will come back for supper,though l don’t know when.
他要回来吃晚饭的,尽管我不知道他什么时候回来。
4. use n. 使用,利用,用
[搭配] It is (of) no use doing sth. = It is no use to do sth. 做……也是徒然。
be of use 有用,有效
come into use 开始使用
in use 使用之中,使用着
make(full,more)use of(充分、更多地)使用、利用
[例] (1)It's no use talking. 说是没有用的。
(2)The medicine is of great use. 这药很有效。
(3)Computers have come into use in the class. 电脑已开始应用于课堂上了。
(4)The laboratory is in use until three o'clock.
实验室一直到二点钟都有人使用。
(5)You should make the best use of this chance. 你该好好利用这次机会。
(6)He make use of his free time to learn French. 他利用空余时间来学法语。
3. pollute vt. 弄脏、污染
[例] A lot of rivers have been polluted. 许多河流已被污染。
pollute的名词形式为pollution。
(1) air pollution 空气污染
(2) environmental pollution 环境污染
(3)noise pollution 噪音污染
(4)water pollution 水污染
2. waste vt. 糟蹋,浪费,徒耗;毁坏,荒废 n. 浪费,徒耗;废物,荒地
(1)Mother told me not to waste money. 母亲告诉我别浪费金钱。
(2)She always wastes her time on trifles. 她总是在琐事上浪费时间。
(3)The fields were wasted by a long drought. 那些田地由于久旱而荒废了。
(4)It's a waste of money to buy that. 买那个东西是白浪费金钱。
(5)A lot of waste from the factory is polluting the sea.
工厂排放出的大量废弃物正在污染海洋。
1. in one's opinion 依某人看,在某人看来
[用法] in one's opinion 中的one’s表示不同的物主代词,如your, his, her, their
等,也可以用名词的所有格代替,如Jane’s, Mum's, my teacher’s等,它用来表示个人的看法或意见,并使自己的看法或意见听起来不那么武断,不那么绝对化。
[例] (1)In my opinion, he is wasting time. 依我看,他在浪费时间。
(2)In Charlie's opinion, Americans should eat less meat.
在查理看来,美国人应该少吃一点肉。
(3)In the opinion of most people, there will be a good harvest time this autumn. 根据多数人的看法,今年秋天会有一个好收成。
[拓展]在英语中,in my opinion也可以说in my view,还可用I think/guess/feel等,但前者更为正式些。
9. Don't get the box down. It isn't worth it. = worth the trouble.
worthless = valueless 毫无价值
valuable = priceless 非常贵重, 无价之宝
8. It's worth visiting the park a second time. = The park is worth visiting a second time.
那公园值得再去一次。
7. It isn't worth getting angry with her.= She's not worth getting angry with.犯不上与她生气。
6. It isn't worth repairing the bike. = The bike isn't worth repairing. 这辆自行车不值得修。
5. The article is well worth reading. 那篇文章很值得-读。
[注]这种结构中的动词-ing形式在逻辑上与前面的主语具有动宾关系。但该动词不能用被动形式,不能说The car isn't worth being repaired.
[注]应该用well修饰worth,不能用quite,very或very much等修饰worth,
如句⑤。再如:It's well worth trying.(很值得-试。)
不能说It's very/quite worth trying.
* 用引导词it作“worth的主语,这种用法可与上一种用法互换使用。如:
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