铺设无缝线路的桥梁，因桥跨受温度变化和列车活载作用而产生的（_爱下问搜题

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问题单项选择题

铺设无缝线路的桥梁，因桥跨受温度变化和列车活载作用而产生的（），使桥梁和桥上无缝线路的钢轨额外承受伸缩力、挠曲力和断轨力。

A、纵向位移

B、横向位移

C、水平扭力

D、冲击力

答案

参考答案：A

填空题

用括号内所给动词的适当形式填空。

1. My sister _____ (not have) a soccer ball.

2. Bruce only _____ (watch) sports on TV!

3. Michael _____ (have) a computer.

4. Let's _____ (go) to play volleyball.

5. Does your father _____ (play) sports every day?

完形填空

I consider myself something of an expert on apologies. A quick temper has   36  me with plenty of opportunities to make them. In one of my earlier   37 , my mother was telling me “Don’t watch the   38 when you say, ‘I’m sorry’. Hold your head up and look at the person in the   39 , so he’ll know you   40  it.”
My mother thus made the key point of a(n)   41  apology: It must be direct. You must never   42  to be doing something else. You do not   43  a pile of letters while apologizing to a person   44   in position after blaming him or her for a mistake that turned out to be your   45 . You do not apologize to a hostess, whose guest of honor you treat   46 , by sending flowers the next day without mentioning your bad   47 .
One of the important things we should do for an   48  apology is a readiness to   49  the responsibility for our careless mistakes. We are used to making excuses, which leaves no   50  for the other person to   51  us. Since most people are open-hearted, the no-excuse apology leaves both parties feeling   52  about themselves. That , after all, is the   53  of every apology. It   54  little whether the apologizer is wholly or only partly at fault. Answering for one’s   55  encourages others to take their share of the blame.

C．look through