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【单选题】
设 是 第二象限角,则0.5 是( ) A. 第一、三象限角 B. 第二、三象限角 C. 第三、四象限角 D. 第二、四象限
A.
A正确
B.
B错误
C.
C错误
D.
D错误
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举一反三
【单选题】使肩关节灵活性加大的有关结构是
A.
由纤维软骨构成的关节唇
B.
坚韧的肱二头肌长头腱
C.
由4块肌的肌腱构成的肩袖
D.
薄弱而松驰的关节囊
【单选题】使肩关节灵活性加大的有关结构是
A.
由纤维软骨构成的关节唇
B.
坚韧的肱二头肌长头腱
C.
由4块肌的肌腱构成的肩袖
D.
薄弱而松弛的关节囊
【简答题】How did the Pontiac Division respond to the customer’s first complaint?A. It considered it crazy. B. It took it very seriously. C. It made no response D. It blamed the man for the problem
【简答题】用所给词的适当形式填空。 1. —Why are you so (excite)? —Because we win the . 2. Amy, (not talk) in class. 3. Water is very important for us. We can’t live (with) it. 4. —Who is the ______(one ) to come to scho...
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【单选题】How did the Pontiac Division respond to the customer’s first complaint?
A.
It considered it crazy.
B.
It took it very seriously.
C.
It made no response.
D.
It blamed the man for the problem.
【判断题】M20X1.5 表示公称直径为 20mm ,螺距为 1.5mm 的普通粗牙螺纹。
A.
正确
B.
错误
【简答题】螺纹标记“M20X1.5-5g6g-S-LH”表示公称直径为( )mm,螺距为( )mm,中径和项径公差带号分别为( )和( ),短旋合长度的普通单线( )旋螺纹。
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