题目内容
第一节 说明：每段对话后有一个小题，请从题中所给的A、B、C三个选项中选出最佳选项。(每段对话后有15秒种的停顿，以便回答问题和阅读下一问题。) Why does the woman thank the man
查看答案
搜索结果不匹配？点我反馈
更多问题
当3个相角差互为120°的交流电源接入同一台具有3个不同磁路铁芯的变压器时，其中两相的电压、电流或磁通的和等于另一相的值，且大小相等、方向相同、处于平衡状态，使三相交流电能维持有效的能量供给。( )
通常金属材料的电阻值会随着温度升高而降低，但有些材料的电阻值却相反，如炭的电阻值会随着温度升高而升高，因此要标明对应的温度值。( )
Why do people work Undoubtedly you have (36) asked yourself the same question, perhaps focused on why you have to work. "Self-interest" in its broadest sense, including the interests of family and friends, is a basic (37) for work in all societies. But self-interest can involve more than providing for existence or (38) wealth. Studies show that the vast majority of Americans would continue to work even if they (39) enough money to live comfortably. When people work, they gain a (40) place in society. The fact that what they receive pays for their work (41) that what they do is needed by other people and that they are a necessary part of the social fabric. Work is also a major social (42) for placing people in the larger social structure and for providing them with identities. In the United States, it is a blunt and (43) public fact that to do nothing is to be nothing and to do little is to be little. (44) . Sociologist Melvin L. Kohn and his associates have shown some of the ways work affects our lives. Generally, people who engage in self-directed work come to value self-direction more highly, to be more open to new ideas and (45) . Moreover, they develop self-conceptions consistent with these values, and as parents they pass these characteristics on to their children. (46) .
骨肉瘤（）
微信支付 
支付宝支付