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【单选题】
在曲柄摇杆机构中,当摇杆为主动件,且 处于共线位置时,机构处于死点位置A.
曲柄与机架
B.
曲柄与连杆
C.
连杆与摇杆
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反馈参考答案：
举一反三
【简答题】Be courteous to all, but ( )with few, and let those few be well tried before you give them your confidence. True friendship is a plant of slow growth, and must undergo and withstand the shocks of ...
【简答题】按规律填空． （1）1，4，9，16，25，______，______． （2）1，7，2，7，4，7，8，7，______，______．
【简答题】Your company will be judged by the way you answer the telephone, so it is very important that you be courteous, happy, and ever so willing to help in the first contact you make with the caller.
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【单选题】设A={0，1，2，4，5，7}，B={1，4，6，8，9}，C={4，7，9}，则（A∩B） （A∩C）=（ ）
A.
{1，4}
B.
{1，7}
C.
{4，7}
D.
{1，4，7}
【简答题】Teamwork between the front and the back ____ ______ ______ achieving this goal, to work as a team, be courteous to all employees in the restaurant. Learn people's names and say hi to everyone as you s...
【简答题】听小骨位于 耳,耳蜗属于 耳
【单选题】Be kind and courteous to the interviewer , not sitting ___ you are told to do so.
A.
if
B.
as
C.
until
D.
because
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【单选题】设A={0，1，2，4，5，7}，B={1，4，6，8，9}，C={4，7，9}，则（A∩B） （A∩C）=（ ）
A.
{1，4}
B.
{1，7}
C.
{4，7}
D.
{1，4，7}
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