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[Issue Essay]

试题详情

题目:

Analytical!

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答案:

提问:

During Roosevelt's years in office, Black Americans began voting for Democrats rather than Republic in nation electons, but Black support for Democrats at the state and local levels ( developed only after when civil rights legislation was supported by Harry Turman ). A. developed only after when civil rights legislation was supported by Harry Turman B. developed only after when Harry Turman supported civil rights legislation C. developed only after Harry Turman's support of civil rights legislation by Harry Turman D. develops only at the time after the supporting of civil rights legislation by Harry Turman E. develops only after there being Harry Turman's support of civil rights legislation 答案是C,错选了B。感觉C说的好绕,B的错误是only after 和when连用吗?麻烦老师讲解。

解答:

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解答: sysadmin

提问:

请may老师回答

解答:

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解答: 徐小梅老师

提问:

求问此题的解题思路:已知整数0到k的乘积能被735整除。 问:k的最小值是多少?

解答:

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解答: 徐小梅老师

提问:

请教一下may老师第26题

解答:

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解答: 徐小梅老师

提问:

请教一下may老师第8题

解答:

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解答: 徐小梅老师

提问:

请教一下may老师23题

解答:

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解答: 徐小梅老师

提问:

求问此题的解题方法:符合k,k+2,k+4三个数都是质数的set有多少个?(k>1) 答案有:0, 1,2,3,>3。请问May老师这种题型该怎么求解呀?谢谢!

解答:

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解答: 徐小梅老师

提问:

从阴影中任取一点,问y小于x的概率是多少?

解答:

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阅读267422
解答: ken@boost.org.cn老师

提问:

想问一个数学题,有一组数,问能否确定range? 1. mean is given 2. standard deviation is given

解答:

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阅读267560
解答: ken@boost.org.cn老师

提问:

7/15寂静:所有员工都大于20岁. Of the 2000 employees, is the avg age at least 35? 1. 50% 员工是大于40岁 2. 25% 员工是大于65岁 这道题网上有C和E两种争论;我所不明白的点是:条件2中的25%是否包含在条件1的里面;我觉得答案应该是C。因为:35*2000=70000岁;(1)+(2)可得41*500+66*500+21*1000=74500>70000.不知道我的思路是否正确。谢谢老师的答疑!

解答:

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阅读267092
解答: 徐小梅老师

提问:

【请May老师回答】这题鸡精提供的答案是D 可是我觉得第二个条件不能得出呢 假设n三次方是x平方 除以n平方 是可以得到x/ n 平方 但是x/n 不一定是整数呀?

解答:

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解答: 徐小梅老师

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