【单选题】【消耗次数:1】
The engineers in this lab spent several weeks _______ their plans for the new bicycle.
counting
stripping
elaborating
casting
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相关题目
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①  A.在我知道每样东西都有一个名字以前,老师已经教我好几个星期了。
②  B.老师和我相处了好几个星期,我都不知道每样东西还有一个名字。
③  C.在我知道每样东西都有一个名字以前,老师和我已经相处好几个星期了。
④  D.老师教了我好几个星期,我才知道每样东西都有一个名字。
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①  liked;hassecretlyhung
②  likes;hassecretlyhung
③  hadliked;secretlyhung
④  hasliked;secretlyhung
【单选题】 The union plans to raise the ( ) of overtime.
①  ignorance
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③  issue
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【单选题】 The experiment_________ in the lab now.
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①  reason
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【单选题】 The engineers are going through with their highway project, ____the expenses have risen.
①  even though
②  just because
③  now that
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【单选题】 We spent the day just ( ) in the wood.
①  walked
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③  walking
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【单选题】 It was in the countryside ________ I spent my childhood.
①  where
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随机题目
【判断题】 8051单片机的P0口可作为低8位地址总线使用。
①  正确
②  错误
【单选题】 单片机中的程序计数器PC用来____。
①  存放指令
②  存放正在执行的指令地址
③  存放下一条指令地址
④  存放上一条指令地址
【单选题】 某一单片机的地址总线共12根,其寻址范围是____。
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②  8KB
③  16KB
④  32KB
【单选题】 已知某数的BCD码为0111 0101 0100 0010,则其表示的十进制数为____。
①  75.42H
②  75.42
③  7542H
④  7542
【单选题】 MCS-51单片机内部的有____个全双工的串行口。
①  1个
②  2个
③  3个
④  4个
【单选题】 8051单片机的P2口除作为输入/输出接口使用外,还可以作为____使用。
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【判断题】 输入单片机的复位信号需延续2个机器周期以上的高电平即为有效。
①  正确
②  错误
【单选题】 MCS-51单片机在同一级别里除串行口外,级别最低的中断源是____。
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