[单项选择]It was only after some progress ______ in the use and development of electric current that men began to realize the importance and possibilities of magnetism.
第27题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He left his notes in class. B. He had to borrow the notes from his classmates. C. He doesn’t have an exam. D. He loaned his notes to a classmate. 参考答案:D 答案解析:[听力原文]
W: Why don’t you use your class notes to study for the exam
M: I let Piper borrow them.
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第31题: [单项选择]个别督导是一个一对一的会谈过程，以下哪一项是个别督导的优点（）。 A. 节省时间、经费和专业人力 B. 督导者与被督导者紧密的分享共同观点，容易形成共同谋划关系 C. 可以提供机会进行充分的角色扮演 D. 督导者可以向被督导者提供充分、有效的服务示范 参考答案:D 答案解析:个别督导的优点。
第32题: [单项选择]分配阀主阀供气阀泄漏时的现象是（）。 A. 自阀前四位主阀排气口排风不止，后三位正常 B. 自阀前三位主阀排气口排风不止，后四位正常 C. 自阀前二位主阀排气口排风不止，后五位正常 参考答案:A
