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【单选题】
青蛙在井底向上爬，井深10米，青蛙每次跳5米，又滑下来4米，像这样青蛙需跳（ ）次方可出井。A.
5
B.
10
C.
6
D.
9
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【简答题】26x137=
【单选题】下列关于剂量补偿效应的说法,描述错误的是?
A.
剂量补偿效应仅在XY性别决定类型的生物中存在
B.
不同生物采用相同的剂量补偿策略
C.
哺乳动物利用X染色体失活实现剂量补偿效应
D.
哺乳动物中失活的X染色体保持高度压缩的形式,被称作巴氏小体
【简答题】阅读理解。 Yao Ming is a very good basketball player in the world. He was born in 1980 and he was born in Shanghai, but he lives in the USA with his parents now. Yao Ming is quite tall. But he isn't so str...
【单选题】Paragraph 7: "I suspect that he was a child who thought differently than his peers, who may have had serious conversations with grown-ups, who as a young person, like me, accepted being alone quite a ...
A.
The author thinks that she and her father were very similar as children.
B.
The author thinks her father should have been more outgoing as a child.
【简答题】下面是一组32个人的收缩压SBP(y，单位：mmHg)与其肥胖指标Quet(x)的数据，其中Quet=100×体重/身高 2 ．画出散点图及回归分析 序号 Quet(x) SBP(y) 序号 Quet(x) SBP(y) 1 2.876 135 2 3.251 122 3 3.1 130 4 3.768 148 5 2.979 146 6 2.79 129 7 3.668 162 8 3.612 ...
【简答题】给定一个Servlet的代码片段如下所示 Public void doGet(HttpServletRequest request,HttpServletResponse resonse)throws ServletException,IOException{ ArrayList list=new ArrayList(); HttpSession session =request.getSessi...
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