6、Traffic lights are there to guide traffic in an         （有序的） way.

5、She has a lot of hobbies, r       from playing chess to winter swimming.

4、laughed       A．noticed                B．studied                C．breathed              D．learned (adj.)

3、occur        A．accept                 B．access                 C．according            D．accident

2、common        A．company             B．across                 C．bottom                D．collar

1、recently        A．restaurant            B．secret                  C．prefer                 D．system

40、It is difficult to           the exact meaning of some words when you translate them into a foreign language.

A. show off          B. turn out                   C. bring out                 D. take to

39、We can see monuments here and there. Those who have made great          to human beings and society will never be forgotten.

      A. advance            B. progress                  C. contribution             D. achievement

38、Recently, there ________ a boom in population mobility, and according to the survey in 2000, 17 percent of the population _______ every year.

       A. is; moves          B. has been; moves             C. is; move                   D. has been; move