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公路水运工程试验检测人员的继续教育周期为（ ）年；每个周期内接受继续教育的时间累计不应少于（ ）学时。

A.1；24
B.2；24
C.1；12
D.2；12
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单项选择题
It may be pointed out that warfare(战争) as practiced by man has no parallel in nature. This is to say that within the more highly developed animal populations of this earth, there is not now, nor has there been similar destruction within a species(物种) itself. In fact, one has to go to the lowliest forms of animal life, such as certain kinds of ants, to find anything comparable to human warfare. It is a curious fact that mankind appears to give the killing of his own kind a good reason by imaging that it is a "law of nature". There are now a lot of wrong ideas about the laws of nature, of which this is one of the most incorrect and fateful(致命的). Political beliefs have been based upon it with results that have come near to destroying human civilization. The theory that war is a biological necessity, that it is nature′s method of controlling population and believing in the survival(生存) of the strong and the elimination(灭亡) of the weak,is totally wrong and insupportable. Within the last century, when wars have been common all over the world ,the human population of the earth has almost doubled.
What does the "law of nature" mean? You can find the answer in the passage in .
A.thefirstsentence
B.thefourthsentence
C.theseventhsentence
D.thefinalsentence
单项选择题
Students from some famous universities and colleges posted an open letter online asking people to ________ the "invasion" of western culture.
A、 deliberate
B、 tolerate
C、 boycott
D、 demonstrate
单项选择题
"... She was married to an officer in India, long ago India; and she had a life of physical adventure( 冒险) as exciting as her poetry. Her husband could cross rivers using crocodiles (鳄鱼) as stepping stones. He died when she was only 39. Unwilling to exist without him, she took her life, leaving a son in England. "
I stared at the paper,（ 21）reading, couldn′t help thinking.
Crocodiles are lazy animals as a rule, but they can move like lightening when they want to. And they don′t mind hurrying（ 22）they′ re hungry. There used to be lots in Indian rivers, living on fish mostly; but what′ s a little fish for a fifteen-foot crocodile? They ate people ,fisherman or anyone else delicious enough to get too near; women doing the（23）, or children playing at the water′ s（24）. A hungry crocodile′ s mouth（25）over a meal with a sound like a gunshot. A big fellow can（26）in a man in two bites(咬).
That woman′ s husband crossed rivers（27）from one crocodile′ s back to the next. I believe it. It had to be done quickly before the creature could see what was happening. It wasn′ t（28）a brave, active man; and no doubt he improved with practice. He could never look（29）while crossing.
The wife used to watch him--I felt sure of that. She lived（30）the adventure, the （31）excitement of it all. Their real life was with tigers, snakes...It′s no wonder she wrote（32）poetry.
Then he died. I imagined how she felt. Was there another man（33）him in India, in the world? She was still young, hardly a sitting-room widow(寡妇)."I must（34）,too. " she said to herself. So she did what she felt she had to do. A（35）probably, to her head.
But her young son, their son? Was her love for him nothing compared to her husband? Well, what do you think?
第（27）题选
A.jumping
B.running
C.walking
D.marching
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