3. There are many differences between the first airplane in the world and today's.(同

义句转换）

The first airplane in the world             today's.

2. The first pair of jeans was produced in 1855.(对画线部分提问）

______  ______  the first pair of jeans ____ ？

1. We use mobile phones widely in our everyday life.(改为被动语态）

_____ _____ _____ _____ _____in our everyday life.

(   ) 5. Our English teacher spoke slowly ______ the students could hear clearly.

A. so that    B. in order to

C. so as to    D. so as that

(   ) 4. The first television was developed       John Logie Baird in 1925.

A. with    B. in

C. by    D. on

(   ) 3. Every day _____ people visit the Science Museum. They've learnt lots of

knowledge about space.

A.  five thousand of

B.  five thousands of

C.  five thousands

D.  thousands of

(   ) 2. ―____ that the Underground Line 5 will be built in our city in 2014.

      —Great. We can go anywhere quickly in our city.

A. It says    B. It's said

C. It said    D. It was said

(   ) 1. ―Could you tell me when the digitalcamera______ ？

       —In the 1970s.

A. was discovered    B. is discovered

C. was developed    D. is developed

difference,hard-wearing,Korea, airplane,bulb

1. ―How do you usually go to America for your vacation?

  ―I usually take an_______ there.

2. My mother bought me a pair of jeans. They're nice and_______ .

3. —Do you know who invented______ ？

  —They were invented by Thomas Edison.

4. The weather in Beijing is _________  from that in Hainan island in winter.

5. The Yalu River lies between China and_______

5. Chopsticks are usually made of bamboo.(对画线部分提问）

      are chopsticks usually      of?