皮皮学，免费搜题
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【简答题】
1831年,英国著名物理学家 发现了电磁感应现象,导致了 的发明,开创了人类用电的新纪元。 8.当你唱卡拉OK时,要用到话筒,话筒的种类很多,右图是动圈式话筒构造的示意图。当你对着话筒说话或唱歌时,产生的声音使膜片 ,与膜片相连的线圈也跟着一起 ,线圈在磁场中的这种运动,能产生随着声音的变化而变化的 ,经放大后,通过扬声器还原成声音。
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皮皮学刷刷变学霸
举一反三
【单选题】Listen to the following dialogue, and then choose the best answer for the question. Q: What did the man mean?
A.
He wrote it last semester.
B.
He ' ll finish it in a few minutes.
C.
He isn ' t going to write it.
D.
He never does assignments early.
【单选题】Listen to the following dialogue, and then choose the best answer for the question. Q: What did the man mean?
A.
He hadn ' t been there.
B.
He didn ' t like it.
C.
He didn ' t care.
D.
He wasn ' t careful.
【简答题】依据我国票据法的规定,票据在形式上是否完备,主要是指哪些方面?
【单选题】不属于医院药检任务的是
A.
制定和修改质量管理制度、检验规程
B.
负责自制制剂半成品和成品的检验
C.
定期对注射用水进行检验
D.
负责制剂质量的统计分析
E.
负责药品的采购
【单选题】Listen to the short dialogues and choose the best answer to each question. What does the woman mean?
A.
She will show the man the schedule.
B.
She lost her copy of the schedule.
C.
She doesn't think the man has an appointment with Ms Lee.
D.
She finds a mistake in the schedule.
【单选题】Listen to the following dialogue, and then choose the best answer for the question. Q: What does the woman mean?
A.
She couldn' t make up her mind.
B.
She doesn' t have time for a job.
C.
She' d like to have a company of her own.
D.
She has a mind of her own.
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