1. A:what was it made of? B:It was made of metal. A:What was it used for? B:It was used for paying. A:When was it made? B:It was made in 1843.

2. A:what was it made of? B:It was made of china. A:What was it used for? B:It was used for storing… A:When was it made? B:It was made in 1653.

3. A:what was it made of? B:It was made of earth. A:What was it used for? B:It was used for watching. A:When was it made? B:It was made in1637.

4. A:what were they made of? B:They were made of earth. A:What were they used for? B:It was used for watching. A:When were they made? B: They were made in1637.

5. A:what were they made of? B:They were made of paper. A:What were they used for? B:It was used for paying. A:When were they made? B: They were made in1737.

6. went to military museum It was built in 1949 the most …..was tank It was made of metal It was used for protecting our country

7. They were all invented hundreds of years ago.

8. Du Hui went to a science museum yesterday. Wei Hua and his classmates also went to a museum. What museum is it? Let's go on to learn…

9. They went to a museum of Natural History. ( 自然历史） natural environment, natural scenery

10. What did they see there? Dinosaurs

11. on display= on show; The pictures are on display in the shop windows display 陈列， 展览

12. *a visit to a place, = be on a visit to a place 去 … 的一 次参观 * be interested in 对 … 感 兴趣 He was interested in playing football.

13. *guide; n. 导游 v. guide sb. to a place *underground Dinosaur World 底下恐龙世界

14. *fossil, 化石 It is an old fossil. the fossil of… 的化石 *There must be…( 表示猜 测 )

15. *be found in Gobi Desert 被动语态 a group of 一群 … in the 1920s 在 20 世纪 20 年代

16. 在某世纪某个年代： in the + 年代 s 在 21 世纪 30 年代 in the 2030s

17. *be laid by… 被下 lay( 下蛋 )---laid---laid lie( 躺 )---lay---lain

18. *long before 在 … 之前很久 human being 人类 *disappear, 出现 disappearance （名词）

19. He disappeared in the dark. I care a lot about his disappearance.

20. *discover; 发现 discover sth \how to do sth. \ that…

21. was covered with 被 … 覆盖 The houses are all covered with snow.

22. *feathered （过去分词 做形容词）有羽毛 的 …dinosaur want to be a … 想成 为 …

23. *dinosaurs (which were ) 被动 discovered by you; eg: books borrowed by you, things done by you （过去分词含有被动 意思）

24. *this is a book written by a boy. 这本书是一 个男孩写的。

25. There were some children playing in the park( 现在分词含有 主动意思 )