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【单选题】
认真钻研业务、提高工作技能是在服务群众方面对于机动车维修从业人员的（）。A.
基本条件
B.
具体要求
C.
具体表现
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Complete the dialogue with proper words or sentences. A: Good morning, madam! B: Good morning, sir! A: You look worried. (56) ? B: My son got lost when I was talking with my friend in the park. I’ve l...
【单选题】空间任意力系向某一定点O简化,若主矢量和主矩均不为零,则此力系简化的最后结果( )
A.
不可能是一个力;
B.
不可能是力螺旋;
C.
可能是一个力,也可能是力螺旋;
D.
可能是一个力偶。
【简答题】What do you learn according to the dialogue? [A] The girl is very good at French. [B] The girl likes football better than the boy. [C] The boy didn't do well in the exam.
【单选题】根据下面对话，回答题。 Dialogue One Speaker A: Good evening, sir and madam. Speaker B: Good evening ____1______ Speaker A: Let me check the list. Yes, we do have a reservation under Mr. Stephen. Speaker B: _____...
A.
it’s a window table that we’ve booked
B.
just usher him here
C.
We’ve a reservation for a table for two under the name of Stephen
D.
But there is a change in the number of people
【单选题】What do you learn according to the dialogue?
A.
The girl is very good at French.
B.
The girl likes football better than the boy.
C.
The boy didn't do well in the exam.
【简答题】Complete the dialogue with proper words or sentences. A: Good morning, madam! B: Good morning, sir! A: You look worried. 1._____________? B: My son got lost when I was talking with my friend in the pa...
【多选题】某平面一般力系向某点简化，其主矢及主矩皆不为零，若适当选择简化中心，简化后可能出现的结果为（）
A.
主矢为零
B.
主矩为零
C.
主矢不变而主矩增大
D.
主矩改变，主矢也改变
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