问题
操作题
如图是自行车的刹车手柄示意图，请画出动力臂。
答案
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如图是自行车的刹车手柄示意图，请画出动力臂。
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| Young people are often unhappy when they are with their parents. They 1 that their parents don't understand them. They often think their parents are too strict 2 them. Parents often find 3 difficult to win their children's trust(信任)and they seem 4 how they themselves 5 when they were young. For example, young people like to do things without much 6 . It's one of their ways to 7 that they grow up and they can 8 any difficult problems. Older people worry more easily. Most of them plan things ahead and don't like their plans 9 . So when you want your parents to let you do something, you will have better success 10 you ask before you really start doing it. Young people often make their parents angry by clothes they wear, the music they enjoy and something else. But they 11 to cause any trouble. They just feel that in this way they can be cut off from the old people's world and they want to make a new culture 12 their own. And if their parents don't like their music or clothes or their way of speech, the young people feel very sad. Sometimes 13 going out with their parents, they just want to stay at home 14 and do what they like. If you plan to do something, you'd better win your parents over and get them to understand you. 15 , your parents will certainly let you do what you want to do. | ||||
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