单选题：What is the main idea ofthis passage7

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题目内容：
What is the main idea ofthis passage7 A．Youth unemployment will be serious for many．years even with solutions．
B．Youth unemployment Can be solved by government and schools．
C．Unemployment could be reduced by the efforts ofyouth．
D．We should be clear-headed about numbers and take actions effectively．
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答案解析：

It is fair to search for every piece of evidence to approac

It is fair to search for every piece of evidence to approach the truth without

分类：英语四级  题型：单选题
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Rucker maintains that the climate．change is just a terrible

Rucker maintains that the climate．change is just a terrible fantasy of the left-

分类：英语四级  题型：单选题
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(本题10分)将BaCl2·nH2O晶体2．44 g溶于水，制成100 mL溶液．取此溶液25 mL，加人至50 mL

(本题10分)将BaCl2·nH2O晶体2．44 g溶于水，制成100 mL溶液．取此溶液25 mL，加人至50 mL 0．1 mol／L AgNO3溶液中，充

分类：英语四级  题型：单选题
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