2c pairwork

【课堂小结】

【课堂作业】

一 、根据语境提示，用invent, discover，find或create的形式填空，完成句子。

1.When _____ the stream engine（蒸汽机） ___?

2.I can't ____ my bike, I'm looking for it.

3. Scientists are now trying to ___ if this is possible.

4. Do you know who______ the plane？

5. He ____quite a number of wonderful characters in his play.、

二、单项选择

（ ）1.The kind of cup is used__________drinking.

A.to B.as C.by D.for

（ ）2. - Was table tennis invented by the Chinese?

- No. It 　　　　 in China until the start of the 20th century.

A. played B. was played C. didn't play D. wasn't played

( )3. - Do you know 　　　　 in ancient China?

- I have no idea. But I know people once used tree leaves to make paper.

A. how paper was made B. how was paper made

C. what paper was made D. what was paper made

（ ）4.I think the short story_________by Lu Xun.

　　　A.is writing B.is written C.written D.was written

（ ）5.--Who________the electric light lamp______? -Edison.

　　　A.was;invented B.is;invented C.was;invented by D.did;invented by