First you should switch the machine ____ before you stop your work.a. onb. offc. up

题目
First you should switch the machine ____ before you stop your work.

a. on

b. off

c. up


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参考答案和解析
参考答案:B
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    What's ( )job? Are ( ) British?

    A. your, your

    B. you, your

    C. your, you


    正确答案:C

  • 第2题:

    Merry Christmas, George! Here is a card for ________, with ________ best withes.

    A.you…your

    B.you…our

    C.us…our

    D.us…your


    参考答案:B

  • 第3题:

    ( ) – Is Miss White __________ English teacher, Maria?

    – No, she teaches __________ geography.

    A.your;my

    B.you;mine

    C.you;us

    D.your;us


    正确答案:D

  • 第4题:

    A:I have got a pain in my chest. B:You ( )see the doctor.

    A. have

    B. need

    C. should


    正确答案:C

  • 第5题:

    – David, you've been losing your temper over nothing lately.– ( ).

    A. I haven’t been getting much sleep either

    B. You’d better not push yourself too hard, or you’ll get sick

    C. I’m sorry. I shouldn’t have blown up like that

    D. You’d better do exercises regularly


    正确答案:C

  • 第6题:

    你最好控制一下上网聊天的时间。(汉译英)

    A.You'd better set a limit for your online chat time.

    B.You'd better set a limit on your online chat time.

    C.You'd better set a limit on your online chatting time.

    D.You'd better set a limit for your online chatting time.


    You'd better set a limit on your online chatting time.