题干

在测量不大于0.6A的电流时,我们常用0.6A的量程去测,而不用3A的量程去测,其原因是(   )

A:用0.6A的量程去测,误差小

B:用0.6A的量程去测,能更好地保护电流表

C:用3A的量程去测,指针不摆动,没有示数

D:用3A的量程去测,可能会损坏电流表

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答案(点此获取答案解析)

A

同类题1

阅读下面的短文,从短文后各题所给的A、B、C和D四个选项中,故答案选出可以填入空白处的最佳选项,。

    While high school does not generally encourage students to explore new aspects of life, college sets the stage for that exploration. I myself went through this1process and found something that has changed my2at college for the better: I discovered ASL------American Sign Language(美式手语).

    I never felt an urge to3any sign language before. My entire family is hearing, and so are all my friends. The4languages were enough in all my interactions(交往).Little did I know that I would discover my5for ASL.

    The 6 began during my first week at college. I watched as the ASL Club 7 their translation of a song. Both the hand movements and the very8 of communicating without speaking 9me. What I saw was completely unlike anything I had experienced in the 10.This newness just left me11more.

    After that, feeling the need to12 further, I decided to drop in on one of ASL club`s meetings. I only learned how to 13 the alphabet that day. Yet instead of being discouraged by my 14 progress, I was excited. I then made it a point to15 those meetings and learn all I could.

    The following term, I 16 an ASL class. The professor was deaf and any talking was 17. I soon realized that the silence was not unpleasant.18, if there had been any talking, it would have19 us to learn less. Now, I appreciate the silence and the 20 way of communication it opens.

同类题2

材料一 ***第十七届中央委员会第六次全体会议,于2011年10月15日至l8日在北京举行。全会审议通过了《中共中央关于深化文化体制改革、推动社会主义文化大发展大繁荣若干重大问题的决定》。全会指出,当今世界正处在大发展大变革大调整时期,文化在综合国力竞争中的地位和作用更加凸显,维护国家文化安全任务更加艰巨,增强国家文化软实力、中华文化国际影响力要求更加紧迫。我们必须抓住和用好我国发展的重要战略机遇期,在坚持以经济建设为中心的同时,自觉把文化繁荣发展作为坚持发展是硬道理、发展是党执政兴国第一要务的重要内容,作为深入贯彻落实科学发展观的一个基本要求,进一步推动文化建设与经济建设、政治建设、社会建设以及生态文明建设协调发展,为继续解放思想、坚持改革开放、推动科学发展、促进社会和谐提供坚强思想保证、强大精神动力、有力舆论支持、良好文化条件。

材料二 成都市政府贯彻落实科学发展观,坚持以人为本,强化基础设施建设,重视挖掘经济发展潜力;开展职业道德教育和微笑服务活动,优化全方位的服务环境;充分利用当地资源优势,大力发展旅游业。这些做法使该市的经济得以又好又快发展。同时,大力开展对外文化交流活动,大打熊猫品牌,让川剧走出去。邀请国外的名人、文人来川访问、座谈、交流,有力地推动了世界田园城市的建设。