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【单选题】
绞车轴承温度（）。A.
不能高于80℃
B.
不能低于70℃
C.
不能高于60℃
D.
不能低于65℃
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【简答题】人工智能产业链包含
【判断题】When shaking hands, you should keep between 1m to 1.25m between you and the person you will be shaking hands with. Don't get too close and invade the other person's personal space.
A.
正确
B.
错误
【单选题】In which country people will not maintain eye contact when shaking hands?
A.
Britain
B.
America
C.
Belgium
D.
Chili
【单选题】How far should we keep when shaking hands with others?
A.
0.5 meter
B.
0.8meter
C.
1 meter
D.
1.2 meter
【判断题】When shaking hands, it is inappropriate to hold other people's hands with both of your hands.
A.
正确
B.
错误
【判断题】It is always the senior or superior to offer hands first when shaking hands.
A.
正确
B.
错误
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