题目内容：

词汇运用

1.Qian Xuesen is one of the greatest _______________ (科学家) in China.

2.There are many ___________ (不同) between the two words..

3.They hope ________ (visit) the Great Wall next year.

4.This actress is ____________(famous) of all.

5.There __________________ (be) two great movies in the theater tomorrow.

6.People in the west（西方） often think that the number thirteen is ______ (lucky).

7.Nothing is i___________ if you try your best.

8.Cities are getting more _________, and there will be more _________ in the future. (pollute)

9.At the ________ (begin) of that English class, my teacher sang an English song.

10.Many ________ (travel) go to visit the Great Wall every year.