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问题 单项选择题

Sturg-Weber综合征的面部蜘蛛痣主要累及（）

A.三叉神经上颌支支配区

B.三叉神经下颌支支配区

C.三叉神经眼支支配区

D.面神经支配区

E.外展神经支配区

答案

参考答案：C

单项选择题

The organizers of tomorrow’s outdoor concert announced that it will go on tomorrow on schedule unless bad weather is forecast or too few advance tickets are sold. If the concert is canceled, refunds will be made to ticket holders. Since some ticket holders have already been issued refunds even though more than enough advance tickets were sold, it must be the case that bad weather is forecast.
Which of the following is an error of reasoning contained in the argument

A．It proceeds as if a condition, which by itself is enough to guarantee a certain result, is the only condition under which that result would occur.

B．It bases a conclusion that is known to require two conditions on evidence that bears on only one of those conditions.

C．It explains one event as being caused by another event, even though both events must actually have been caused by some third, unidentified event.

D．It treats evidence for the absence of one condition under which a circumstance would occur as conclusive evidence that that circumstance will not occur.

E．(E) Evidence given to support the conclusion actually undermines it.
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选择题

“更立西江石壁，截断巫山云雨，高峡出乎湖”，是对哪一条河流与水电站的描述（　　）

A．雅砻江--二滩水电站

B．珠江--天生桥水电站

C．黄河--小浪底水电站

D．长江--三峡水电站
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