3. dinosaur

6. fossil

7. go for a visit to a museum =visit a museum. 参观博物馆 be interested in=have/take interested in 对 感兴趣 must be 一定是 can be 可能是 should be 应该是

8. In the 1920s=in the 1920’s 在 20 世纪 20 年代 In her forties 在她 40 多岁时 So=that is to say 这么说来

9. lay (laid laid)1) 产卵 2 ）放，摆 1 ） The hen lays an egg every day. 2 ） Lay the book on the desk. Lie (lay laid lying) 躺，平放 He is lying in bed. Lie(lied lied lying 撒谎 tell a lie/lies

10. Live on 存在 On show 展出 =On display 陈列, 展览 on the earth 在地球上

11. long before 在、、、 之前很 久 before long 不久以后 appear 出现 disappear 消失 like 喜欢 dislike 不喜欢 agree 同意 disagree 不同意 honest 老实 dishonest 不老实

12. be covered with 1 ）天然生有的， 2） 2） 由、、、覆盖的。 1 ） Dogs are covered with hair. 2 ） The table was covered with a picture.

13. in the future 将来 in future 今后 study 1) 学习. 2) 研究 discover 发现

14. 用一般过去时的被动语态填空 1.Paper _____ first _____(invent)in China. 2.These old things _____(make) of metal hundreds of years ago. 3.The Great Wall ________(build) thousands of years ago. 4.The teapot ( 茶壶） __________(use) for keeping tea hot a hundred years ago. 5.The bottle ______(break)by the little boy.

15. 将下列句子改为被动语态 1. She asked me to come to the party a little earlier. ____ _____ asked ___ come to the party a little earlier. 2. We should build another bridge over the Chang jiang River. Another bridge _____ ___ ______ over the Chang jiang River. 3.You should take this medicine twice a day. This medicine _____ ___ ____ twice a day

16. 4.You must take good care of your dictionary. Your dictionary____ ___ _____ good care of. 5.We water the young trees every day. The young trees ____ ______ by us every day.

17. 一、汉译英。 (Homework) 1 、邮票是用来寄信的。 Stamps _____ ________ ______ sending letters. 2 。你知道那座桥是什么制造的吗？ Do you know _____ the bridge ______ ______? 3 。这项工作必须在星期六前完成。 The work _____ _____ ____ before Saturday.

18. 4. 用所给动词的适当形式填空。 1.The school ___ _____ (build) a hundred years ago. 2.If it _____ ______ (not rain) tomorrow, I’ll go to play football. 3.Mr Green enjoys _________(teach) in China. 4.Listen! Someone ______ _______ (knock) at the door. 5.Would you _____ (go) boating with me tomorrow?

19. Interested in eggs found by laid by guide on for disappeared on display discovered covered like believe disappeared have become