【单选题】【消耗次数:1】
Nancy was surprised that they have ____. They seemed to be a happy couple.
split up
broken down
fallen through
knocked out
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相关题目
【单选题】 Have they had the broken windowpanes [填空] yet?
①  repalcing
②  to repalce
③  replaced
④  repalce
【单选题】 I was caught up ___________ conversation with a friend when someone knocked at the door.
①  in
②  at
③  over
④  off
【单选题】 The old couple, whose kids have all passed away, have to ( ) only with their small pensions.
①  get at
②  get to
③  get by
④  get through
【单选题】 Look out ! That tree _______ fall down.
①  is going to
②  will be
③  shall
④  would
【单选题】 Look out! That tree ___ fall down.
①  is going to
②  will be
③  shall
④  would
【单选题】 Look out ! That tree_______ fall down.
①  is going to
②  will be
③  shall
④  would
【单选题】 Since you have already come, you _____ stay here for a couple of days.
①  might well
②  might as well
③  might have to
④  might
【单选题】 The two families____ up through the marriage of a daughter and a son. ?
①  linked ?
②  closed ?
③  separated ?
④  attached.?
【简答题】 Direction: Fill in the blanks with thephrases given below. Change the form if necessary.[ought to; look forward to; in wonder; give way to; look down; on the way to; reach out; put one’s arm around; trip over; cut into]7. Once,[填空1]a movie, she was knocked down by a running bicycle.
【单选题】 6.Look out! That tree _______ fall down.
①  is going to
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③  shall
④  would
随机题目
【判断题】 初始化指令IST的功能编号为FNC60。
①  正确
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【单选题】 洗衣机的进水、正转、反转、排水和脱水为()。
①  输出信号
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【单选题】 进水水位由()控制。
①  进水阀
②  排水阀
③  水位开关
【单选题】 变频器种类很多,其中按滤波方式可分为电压型和(????)型。
①  电流
②  电容
③  电感?
④  电阻?
【单选题】 V/f控制就是保证输出电压跟频率成反比的控制这样可以使电动机的磁通保持一定,避免弱磁和磁饱和现象的产生。
①  正确
②  错误
【单选题】 矢量控制的基本思想是仿照()的调速特点,把异步电动机的定子电流,即变频器输出电流分解为产生磁场的电流分量(励磁电流)和产生转矩的电流分量(转矩电流)。
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【单选题】 参数清除,将参数值初始化到出厂设定值,校准值将被初始化。
①  正确
②  错误
【判断题】 当X9信号ON时,Pr.113“第三V/F(基底频率)”有效。
①  正确
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【单选题】 当X9信号为ON时, Pr.47“第二V/F(基波频率)”有效。
①  正确
②  错误
【单选题】 感觉可分为( )
①  肤觉
②  以上选项全选
③  听觉
④  嗅觉
⑤  视觉
⑥  味觉