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关于同一电场的电场线,下列表述正确的是

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  • 【名词&注释】

    面向世界(facing the world)、博采众长(makefuluseofanyone ' sstrongpoint)、客观存在(objective existence)、流行歌曲(popular songs)、多媒体等、润物细无声、原汁原味、卡通人物(cartoon character)、生旦净末丑、细致入微

  • [单选题]关于同一电场的电场线,下列表述正确的是

  • A. 电场线是客观存在的
    B. 电场线越密,电场强度越小
    C. 沿着电场线方向,电势越来越低
    D. 电荷在沿电场线方向移动时,电势能减小

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]Thebiggestwhaleis___bluewhale,whichgrowstobeabout29meterslong—theheightof___9-storybuilding.
  • A. the;the
    B. a;a
    C. a;the
    D. the;a

  • [单选题]
  • A. on
    B. toward
    C. for
    D. in

  • [单选题]⒐对本文分析正确的两项是__________(6分)
  • A. 拟声词“沙沙沙”和“苏苏苏”的不同表明作者听觉更细致入微。
    B. 作者对“润物细无声”的欣赏为下文描述春声作了感情的铺垫。
    C. 作品叙述杨柳桃杏时暗含时光的流动,表现北京“春脖子短”。
    D. 写“手冷”和“手热”的用意在于揭示岁月已经改变了人生处境。
    E. “春长”和“春深”一动一静彼此呼应,衔接巧妙而且结构严谨。
    F. F.本文结尾意味深长,空谷回音中留给读者思考和相象的空间。

  • [单选题]听到的是京腔京韵的侯宝林的相声,看到的却是卡通人物(cartoon character)在说学逗唱;看到的是原汁原味的生旦净末丑的表演,听到的却是流行歌曲的韵律。借助Flash等现代化手段,传统戏曲也逐渐地被“80后”甚至“90后”所喜欢。传统戏曲的这一个“漂亮转身”启示我们( )
  • A. 文化创新的立足点在于满足更多人的需要
    B. 借助多媒体等现代工具便能实现文化创新
    C. 文化创新不仅需要继承更需融入时代元素
    D. 文化创新需要注重面向世界、博采众长

  • [单选题]I can be a teacher. I’m not a very patient person.
  • A. seldom
    B. ever
    C. never
    D. always

  • [单选题]根据下面内容,回答 60 ~63 题: BComputer programmer David Jones earns£35,000 a year designing new computer games, yet he cannot find a bank ready to let him have a credit card(信用卡).Instead,he has been told to wait another two years,until he is 18.The 16-year-old works for a small firm in Liverpool, where the problem of most young people of his age is finding a job.David’s firm releases(推出) two new games for the fast growing computer market each month.But David’s biggest headache is what to do with his money.Even though he earns a lot, he cannot drive a car, take out a mortgage(抵押贷款),or get credit cards.David got his job with the Liverpool-based company four months ago,a year after leaving school with six O-levels and working for a time in a computer shop.“I got the job because the people who run the firm knew
  • A. David spends some of his money on records and clothes,and gives his mother 50 pounds a week.But most of his spare time is spent working.
    B. “But I had been studying it in books and magazines for four years in my spare time.I knew what I wanted to do and never considered staying on at school.Most people in this business are fairly young, anyway.”David added:“l would like to earn a million and I suppose early retirement(退休)is a possibility.You never know when the market might disappear.”
    C. 第5题:In what way is David different from people of his age?
    D. He often goes out with friends.
    E. He lives with his mother.
    F. He has a handsome income.
    G. He graduated:with six O-levels.

  • [单选题]People working together in an office used to ____________.
  • A. talk more about handwriting
    B. take more notes on workdays
    C. know better one another's handwriting
    D. communicate better with one another

  • [单选题]What is the text mainly about?
  • A. The research into war history.
    B. The finding of a forgotten hero.
    C. The pilots of the two world wars.
    D. The importance of military studies.

  • [单选题]姜科植物花中,雄蕊在发育上原来可能为( )。
  • A. 1
    B. 3
    C. 6
    D. 9

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