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【单选题】
染色体为XY的是正常男性,但多出一条X之后,他会怎样?()A.
雄性激素分泌多于常人
B.
神经失调可能性较低
C.
智商高于常人
D.
产生男性睾丸发育不全症
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【简答题】Read and judge. （判断短文下的句子是否与短文内容相符，用“√”“×”表示） Tom has a big dog. Its name is Jack. Jack's hair is long and yellow. He is very smart. Every Sunday afternoon Tom takes Jack for a long walk in the park. ...
【简答题】阅读下面短文，根据短文内容，完成81-85小题。 Tom lost his work last year and he didn’t find a job from then on. He was very worried. He had a big family to feed. His sons and daughters were often hungry. His wife was ang...
【简答题】影响行政效率的因素有 、体制因素、人员因素、决策因素、法制因素。
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