题目内容
下列常用来进行无级变速的传动是（）
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What is intelligence (智力) anyway? When I was in the army I （31） an intelligence test that all soldiers took, and, against （32） of 100, scored 160.I had an auto-repair man once, who, on these intelligence tests, could not possibly have scored more than 80. （33） , when anything went wrong with my car I hurried to him, and he always （34） it.Well, then, suppose my auto-repair man designed questions for some intelligence tests. By every one of them I'd prove myself a （35） . In a world where I have to work with my （36）, I’d do poorly.Consider my auto-repair man again. He had a habit of telling jokes. One time he said, “Doc, a deaf-and-dumb (聋哑) man needed some nails. Having entered a store, he put two fingers together on the counter and made （37） movements with the other hand. The clerk brought him a hammer. He shook his head and pointed to the two fingers he was hammering. The clerk brought him some nails. He picked out the right size and left. Well, Doc, the next man who came in was blind. He wanted scissors (剪刀). （38） 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 （39） and asked for them. I’ve been trying that on all my customers today, but I knew for sure I’d catch you.” “Why is that?” I asked. “Because you are so goddamned educated, Doc. I knew you couldn’t be very （40） .”And I have an uneasy feeling he had something there. 38（）
（C）Honey (蜂蜜) from the African forest is not only a kind of natural sugar, it is also delicious. Most people, and many animals, like eating it. However, the only way for them to get that honey is to find a wild bees’ nest (巢) and take the honey from it. Often, these nests are high up in trees, and it is difficult to find them. In parts of Africa, though, people and animals looking for honey have a strange and unexpected helper—a little bird called a honey guide.The honey guide does not actually like honey, but it does like the wax (蜂蜡) in the beehives (蜂房). The little bird cannot reach this wax, which is deep inside the bees’ nest. So, when it finds a suitable nest, it looks for someone to help it. The honey guide gives a loud cry that attracts the attention of both passing animals and people. Once it has their attention, it flies through the forest, waiting from time to time for the curious animal or person as it leads them to the nest. When they finally arrive at the nest, the follower reaches in to get at the delicious honey as the bird patiently waits and watches. Some of the honey, and the wax, always falls to the ground, and this is when the honey guide takes its share.Scientists do not know why the honey guide likes eating the wax, but it is very determined in its efforts to get it. The birds seem to be able to smell wax from a long distance away. They will quickly arrive whenever a beekeeper is taking honey from his beehives, and will even enter churches when beeswax candles are being lit. The little bird cannot reach this wax, which is deep inside the bees’ nest.
砂轮的强度是指在（）下作用，砂轮抵抗破碎的能力。
结构化分析方法的基本思想是（）逐步求精。
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