1 . ________________ (commit) to scientific research to a great extent, he couldn’t spare any time to go on holiday. (所给词的适当形式填空)

2 . 我强烈建议你每天花一个小时读英语，这能逐渐提高你的英语口语。
I strongly recommend that ________________, which will gradually improve your spoken English.

3 . He c______（犯，做）a crime when he was in his twenties. （根据中英文提示拼写单词）

4 . Before birth, babies can _____________ their mother’s voice from that of a female stranger.

A．distinguish

B．qualify

C．purchase

D．commit

5 . She c___________ (犯罪) a crime and was sent to prison.  (根据中英文提示单词拼写)

6 . ________ (commit) to scientific research, the scientist remained single all his life. (所给词的适当形式填空)

7 . Would thinking machines work alongside humans or threaten the existence of humans? How would they be punished if they c_____________ crimes or even murdered humans? (根据首字母单词拼写)

8 . They called on Western nations to ________(commitment) more money to the poorest nations. (所给词的适当形式填空)

10 . ________(commit) herself to scientific research has earned TuYouyou respect from people. (所给词的适当形式填空)