根据人体工程学，一般工作台面的高度为（）mm之间。

海上运输货物保险基本险中水渍险承保的责任范围大于平安险的责任范围，主要是比平安险多承保了（）。

A.海上自然灾害所造成的部分损失

B.海上自然灾害所造成的全部损失

C.意外事故造成的部分损失

D.意外事故造成的全部损失

近年来，公共外交越来越受到各国普遍关注。下图反映了公共外交的范围和模式。由图可以得出如下结论

①政府外交是对外国政府，公共外交则包括外国公众②公共外交增加了本国公众政治参与的民主权利 ③发展公共外交的目的是促进国家外交政策的合法化 ④公共外交通过多层次交流宣传赢得外国公众的理解

A．③④

B．①②④

C．①②③

D．①④

2007年6月5日各大媒体报道了中国在南海北部成功钻获天然气水合物实物样品“可燃冰”，从而成为继美国、日本、印度之后第4个通过国家级研发计划采到水合物实物样品的国家。第28届国际地质大会提供的资料显示，海底有大量的天然气水合物，可满足人类1000年的能源需要。关于“可燃冰”的叙述不正确的是(C    )

A．“可燃冰”有可能成为人类未来的重要能源

B．“可燃冰”是一种比较洁净的能源

C．“可燃冰”提供了水可能变成油的例证

D．“可燃冰”的主要可燃成份是甲烷

UML的状态图展示了一个特定对象的所有可能状态，以及由于各种事件的发生而引起的状态间的转移(Transition)。如果一个并发的状态由m个并发的子状态图组成，那么该并发状态在某时刻的状态由______个子状态图中各取一个状态组合而成。

A．任意一
B．任意两
C．每一
D．任意n(n≤m)

In the New York street a small truck hit a big tree. The truck was full of glasses and they were all (41) now. The driver came out of the truck and looked at the broken glasses. He was very (42) . And people in the street were (43) for him.
Then an old man walked to the driver, looked at him for a few (44) and said, "My poor boy, I think you must (45) a lot for it."
"Yes, "was the bad answer.
"Well, "said the old man," hold out your (46) . Here’s some money for you, and I hope all the people around here will give you (47) ,too. "With these words, he walked away.
The driver held out his hat and over a hundred people came and put their money in it. At last the driver (48) a bag and put all the (49) in. Then he looked at the people and said, "Thank you very much. I’m working for that old man and all these (50) are made in his factory. \

[A] took back [B] took out[C] took away