1 . Many scientists c__________ greatly to the development of society in the past.

2 . The rich man went abroad with the hope of getting new chances, while the poor man was i_________ to learn some skills of earning money.

3 . When you feel on the point of exploding, try to ________ (改变) the focus away from anger by thinking of something pleasant. (根据汉语提示单词拼写）

4 . He tries to completely s________ his professional life from his private life. (根据首字母单词拼写)

5 . Although she didn’t mention any name , everyone knew who she was ______.

A．referring to	B．talking to
C．turning to	D．responding to

6 . Jack always dreams of his song ________, so that he can make a fortune overnight.

A．hanging on

B．catching on

C．moving on

D．holding on