题目内容
分4组，任选一组作答。每题的备选项中，只有1个最符合题意。矿山安全技术 在矿山开采过程中，矿井水质分析方法有多种，其中( )适用于中等杂质含量的水样。
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A. cameraB. knifeC. accountD. rotorE. newspaperF. hotelG. pool People take pictures with it.
技能的正迁移：
Mr. Green was driving with boxes of ice cream back to the storehouse when he (41) himself in a traffic jam(交能堵塞). Feeling hot (42) the sun, he took an ice-cream and ate it. Four (43) children in the car behind watched him eat it. He was (44) for them and gave them some ice cream, too. In minutes, he was surrounded by children. By the time traffic began to move ,he had gone through four cardboard boxes. (45) of explaining the situation to his boss,he decided to buy the ice-cream himself. When he (46) to the storehouse,however,he was (47) to the manager’s office and asked (48) he had given away the company stock. He thought that he would be punished. Instead,his boss smiled in a (49) way and said that it was the best public (50) the company had had in years,people had been phoning in to thank the company.
分4组，任选一组作答。每题的备选项中，只有1个最符合题意。矿山安全技术 下列矿井溃决事故的类型中，不包括的是( )。
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