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【单选题】
《选煤厂安全规程》规定,绝缘手套、绝缘靴的试验周期是()
A.
3个月
B.
6个月
C.
12个月
D.
24个月
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参考答案:
举一反三
【简答题】法律系实践报告领土法.doc
【单选题】Suppose that there were 25 people who had a reservation price of $500, and the 26th person had a reservation price of $200. What would the equilibrium price be if there were 26 apartments to rent?
A.
$ 500
B.
$ 200
C.
$ 350
D.
$ 488
【简答题】已知数列{a n }中,a 1 =2,a n -a n-1 -2n=0(n≥2,n∈N). (1)写出a 2 、a 3 的值(只写结果)并求出数列{a n }的通项公式; (2)设 b n = 1 a n+1 + 1 a n+2 + 1 a n+3 +…+ 1 a 2n ,若对任意的n,当m∈[-1,1]时,不等式 t 2 -2mt+ 1 6 > b n 恒成立,求实数t的取值范围.
【简答题】数列 的首项为1,其余各项为1或2,且在第 个1和第 个1之间有 个2,即数列 为:1,2,1,2,2,2,1,2,2,2,2,2,1,…,记数列 的前 项和为 ,则 __ ; ___ .
【简答题】法律系实践报告条约法.doc
【简答题】数列 的项是由1或2构成,且首项为1,在第 个1和第 个1之间有 个2,即数列 为:1,2,1,2,2,2,1,2,2,2,2,2,1,…,记数列 的前 项和为 ,则 ; .
【单选题】I suppose that there used to be a fairy in the woods, _______?
A.
aren’t I
B.
doesn’t she
C.
didn’t it
D.
didn’t there
【单选题】Suppose that there were 25 people who had a reservation price of $500, and the 26th person had a reservation price of $200. What would the equilibrium price be if there were 24 apartments to rent?
A.
$ 500
B.
$ 200
C.
$ 350
D.
$ 488
【简答题】法律系实践报告海洋法.doc
【判断题】Suppose that there exist two parameter values satisfying that moment conditions equal 0, then it is possible to obtain a consistent consistent GMM estimator (the model is not identified).
A.
正确
B.
错误
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