7B Unit 2 单词讲解.ppt

1、7B Unit 2 单词讲解,1. tin / can a of Coke 一听可乐 two s of Coke 两听可乐 2.none 即表示单数，又表示复数 1)他们/我们中没有人去过国外。 None of us / them has/have been to foreign countries. 2)-How many students are there in the classroom? -None. -How much milk is there in the fridge? -None.,3. order 1)order sth. 点菜，预定某物 2)orderonline /

2、on the phone在线/打电话预定 4）play badminton volleyball basketball football tennis table tennis / ping-pong baseball,5.life 1)生活 school life 2)生命 可数 save ones life save their lives lose ones life/lives =die 6.乘地铁去某地 take an / the underground to sp. go to sp. by underground 7. pollute v. 污染 废物污染了这条河。 The wa

3、ste polluted the river. n. pollution 不可数名词 水/空气/噪音污染 water / air / noise pollution,8. build v. 建造 building n. 建筑物 builder 表示人的n. 建造者 这些建设者去年建造了成千上万的楼房。 These builders built thousands of buildings last year. 9.close 1) v. 关闭 这家商店晚上10点关门。 The shop closes at 10 pm every night. 2)a. closed 这家商店10点关的。 Th

4、e shop is closed at 10 p.m. 使你的眼睛闭着 keep your eyes closed,3)a. close 近的，亲密的 我的密友 my close friend close to 靠近 live close to sit close to be close to 10. for example 树立榜样 set an example 11. far 比较级 farther further 最高级 farthest furthest be far away（ from sp.）,12. shop 购物，商店 shopper 购物者 shopkeeper 售货员，店

5、主 13.until 如果主句的动词是短暂性动词，要用否定 我们直到雨停才走。 We didnt leave until the rain stopped. We waited until the rain stopped. 14. teach taught taught 15.dirty dirtier dirtiest,16. sick / ill 1)都可以做表语 这个人生病了。 The man is sick / ill. 2) sick 可以做定语，而ill不能 一个病人 a sick man 17. belong to sb.（宾格） 这本书是我的。 The book belongs to me. 一般疑问句：Does the book belong to you? The bo