[单项选择]In each person’s life there are three stages. When one was young, people said, "He will do something." As he grew older and did nothing, they said, "He could do something if he found himself." When he was white-haired, people said of him, "{{U}}He might do something if he could try anything{{/U}}."
A. He should have done something if he has tried something
B. He would have done something if he should have tried anything
C. He might do something if he would try something.
D. He might have done something if he had tried anything

[单项选择]When we do not understand each other’s language, we can talk with the help of signs.
A Frenchman was once travelling in England. He could not speak English at all. One day he went into a restaurant and sat down at a table. When the waiter came, he opened his mouth, put his fingers in it and took them out again. He wanted to say. "Bring me something to eat. "
The waiter soon brought him a cup of tea. The man moved his head from side to side. The waiter understood him and took the tea away. In a moment he came with a cup of coffee. But the man again refused it. He shook his head whenever the waiter brought him something to drink, for drinks are not good.
When the man was going away, another man came in. This man saw the waiter, and he put his hand on his stomach(胃). That was enough. In a few minutes there was a large plate of meat and vegetables on the table in front of him.
So, you see, we cannot understand the language of signs as well as we can understand t
A. a waiter
B. a teacher
C. an Englishman
D. the gesture

[单项选择]There was a time in my life when people asked (1) for stories about what it’s like to work in a field (2) by men. I was never very good at telling those stories because (3) I never found them interesting. (4) I do find interesting is the origin of the universe and the nature of black holes.
At 19, (5) I began studying astrophysics, it did not (6) me in the least to be the only woman in the classroom. But while (7) my Ph.D. at MIT and then as a post-doctor doing space research, the (8) started to trouble me. My every achievement-jobs, research papers, (9) --was viewed through the lens of gender politics. (10) were my failures.
Then one day a few years ago, out of my mouth (11) a sentence that would eventually become my reply (12) any and all of these: I don’t talk about that anymore. It (13) me 10 years to get back the confidence I h
A. stress
B. molest
C. interfere
D. bother