题目内容：

听短文填空

1.If you want to become a _______ man, you must work hard.

2.The young man asked the __________ question again.

3.Einstein said nothing, but _________ a few words.

4.The young man didn’t understand the _________ of A=X+Y+Z.

5.In fact, the scientist told him to stop  _______  and start to work.