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[Issue Essay]

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题目:

Analytical!

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答案:

提问:

Most of the world's supply of uranium currently comes from mines. It is possible to extract uranium from seawater, but the cost of doing so is greater than the price that uranium fetches on the world market. Therefore, until the cost of extracting uranium from seawater can somehow be reduced, this method of obtaining uranium is unlikely to be commercially viable. Which of the following would it be most useful to determine in evaluating the argument? A.Whether the uranium in deposits on land is rapidly being depleted B.Whether most uranium is used near where it is mined C.Whether there are any technological advances that show promise of reducing the cost of extracting uranium from seawater D.Whether the total amount of uranium in seawater is significantly greater than the total amount of uranium on land E.Whether uranium can be extracted from freshwater at a cost similar to the cost of extracting it from seawater

解答:

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阅读267823
解答: sysadmin

提问:

老师,这道题为什么要用现在完成时呢?我觉得用蛇起源于四腿蜥蜴不是持续的动作,也没有持续的影响

解答:

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阅读274353
解答: 金栩竹老师

提问:

请问老师这道题做题思路,可以理解为消序处理吗?比如八个字母排一列,A,B,C三个字母顺序不影响,排列方式为A(8,8)除A(3,3),如果是,为什么这么用?

解答:

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解答: 徐小梅老师

提问:


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解答: 徐小梅老师

提问:

请问may老师此题思路

解答:

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解答: 徐小梅老师

提问:

请问may老师此题思路

解答:

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解答: 徐小梅老师

提问:

请问may老师此题思路

解答:

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解答: 徐小梅老师

提问:

请问may老师此题思路

解答:

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解答: 徐小梅老师

提问:

请问may老师此题思路

解答:

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解答: 徐小梅老师

提问:

请问may老师此题思路

解答:

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解答: 徐小梅老师

提问:

请问may老师此题思路

解答:

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解答: 徐小梅老师

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