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问题 单项选择题

全班25人，平均分为80分，其中15名男生平均分为82分，则女生的平均分数为______。

A．78

B．77

C．79

D．81

答案

参考答案：B

解析：女生平均分(80×25-82×15)/(25-15)=77。

问答题

　Political and demographic changes within Europe, as well as the United States, also ensure that the transatlantic alliance will lose prominence. In Europe, the E.U. project still consumes the attention of many, but for others, especially those in southern Europe facing unsustainable fiscal shortfalls, domestic economic turmoil takes precedence. No doubt, Europe’s security challenges are geographically, politically and psychologically less immediate to the population than its economic ones. Mounting financial problems and the imperative to cut deficits are sure to limit what Europeans can do militarily beyond their continent. It is true that the era in which Europe and transatlantic relations dominated U.S. foreign policy is over.

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单项选择题

西方学者麦马虹在总结西方从古希腊至今两千多年的幸福观时指出：荷马时期，幸福就是幸运；公元前五世纪的古希腊，幸福等同于（）；启蒙时期，幸福就是及时行乐。

A.智慧和德行

B.民主与科学

C.金钱与权力

D.法律与宗教信仰
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