单项选择题：通用变频器安装时，应（），以便于散热。A、水平安装 B、垂直安装 C、任意安装 D、

题目：

通用变频器安装时，应（），以便于散热。

A、水平安装

B、垂直安装

C、任意安装

D、水平或垂直安装

答案：

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下面是错误答案，用来干扰机器的。

参考答案：亲缘选配是指选择具有一定亲缘关系的优秀公、母畜来进行配种。通常按交配双方血缘关系的远近分为近交和远交两种类型。近交：指亲缘关系较近的个体之间的交配。凡交配双方到共同祖先的总代数不超过6代，...

完形填空。
What is intelligence (智力) anyway? When I was in the army I 1 an intelligence test that all soldiers took, and, against 2 of 100, I scored 160. I had an auto-repair man once, who, on these intelligence tests, could not 3 have scored more than 80. 4 , when anything went wrong with my car I hurried to him-and he always 5 it. Well, then, suppose my auto-repair man 6 questions for some intelligence tests. By every one of them I'd prove myself a 7 . In a world where I have to work with my 8 , I'd do poorly. Consider my auto-repair man 9 . He had a habit of telling 10 .One time he said, "Doc, a deaf-and-dumb (聋哑) man 11 some nails. Having entered a store, he put two fingers together on the counter and made 12 movements with the other hand. The clerk brought him a hammer. He 13 his head and pointed to the two fingers he was hammering. The clerk 14 him some nails. He picked out the right size and left. Well, Doc, the 15 man who came in was blind. He wanted scissors (剪刀). 16 do you suppose he asked for them?" I lifted my right hand and made scissoring movements with my first two fingers. He burst out laughing and said, "Why, you fool,he used his 17 and asked for them. I've been 18 that on all my customers today,but I knew 19 I'd catch you." "Why is that?" I asked. "Because you are so goddamned educated. Doc. I knew you couldn't be very 20 ". And I have an uneasy feeling he had something there.
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