【单选题】【消耗次数:1】
The Peoples Republic of China ___ on October 1, 1949.
found
was founded
is founded
was found
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【单选题】 1. The Peoples Republic of China ___ on October 1, 1949.
①  found
②  was founded
③  is founded
④  was found
【单选题】 Do you know the year ______the Chinese Communist Party was founded?
①  which
②  that
③  when
④  on which
【简答题】 I found it important __________ learn.[填空1]
【单选题】 found a __________
①  corporation
②  company
③  machine
④  firm
【单选题】 —Have you found the bike you lost yesterday?—Yes, Ive found ______ already.
①  it
②  that
③  the one
④  that one
【单选题】 We found him ___________ in the laboratory.
①  work
②  working
③  to work
④  worked
【单选题】 I found hard to concentrate.
①  this
②  that
③  it
④  what
【单选题】 I found a ___________ young man lying on the ground.
①  wound
②  wounding
③  wounded
④  wounds
【单选题】 He found it hard to ( ) his studies in such a noisy environment.
①  devote to
②  dwell on
③  concentrate on
④  depend on
【单选题】 When we came back, he found his bicycle ____
①  was stolen
②  had stolen
③  had been stolen
④  is stolen
随机题目
【单选题】 Short-term memorylasts less than _________.
①  seconds
②  weeks
③  months
④  years
【判断题】 答题说明:句子没有语法错误请选择“正确”,有语法错误请选择“错误”Discuss with children in advance which programs they can watch.
①  正确
②  错误
【多选题】 I want to___________ this letter to the U.S.. How much if the postage, please?
①  mail
②  send
③  keep
④  weigh
【多选题】 Im_________ to agree with you.
①  can
②  cant
③  unable
④  not able
【单选题】 Women especially enjoy_________ in department stores at their leisure.
①  wondering
②  weeping
③  wandering
④  watching
【单选题】 Can anything be done to_________ the negative influence of some television programs?
①  accept
②  assume
③  avoid
④  alarm
【判断题】 任意两个基本事件都是互斥的
①  正确
②  错误
【判断题】 设矩阵A,B为同阶可逆矩阵,则<img class=jc-formula data-tex={ (AB) }^{ -1 }={ A }^{ -1 }{ B }^{ -1 } src=https://huaweicloudobs.ahjxjy.cn/4D0D5CA61C6CEACD30AEE46B39C339BC.png style=vertical-align: middle;/>
①  正确
②  错误
【判断题】 对任意<img class=jc-formula data-tex=A,B\in F src=https://huaweicloudobs.ahjxjy.cn/F3D14591D01F0CA1A92A56FBCAE958DF.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=P(A-B)=P(A)-P(B) src=https://huaweicloudobs.ahjxjy.cn/0B32C29C079587980B49094D3DEB9C00.png style=vertical-align: middle;/>
①  正确
②  错误
【判断题】 若A,B互不相容,则P(A|B)=0
①  正确
②  错误