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【单选题】
对于无导向装置的冲模,装配的顺序应为( )。
A.
先装上模再装下模
B.
先装下模再装上模
C.
无特定顺序,视情况而定
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【单选题】在计算机硬件中,输入输出装置和外接的辅助存储器统称为()
A.
外围设备
B.
存储器
C.
操作系统
D.
CPU
【单选题】在计算机硬件系统中, 输入输出装置和外接的辅助存储器统称为( )
A.
操作系统
B.
CPU
C.
存储器
D.
外围设备
【判断题】配位滴定法中,指示剂铬黑T自身也是配位剂,可与金属离子形成配合物。
A.
正确
B.
错误
【单选题】在计算机硬件系统中,输入输出装置和外接的辅助存储器统称为
A.
外围设备
B.
存储器
C.
操作系统
D.
CPU
【简答题】判断正误,并作出修改。 According to me, she should have resigned earlier. She smiled friendly. He laughed silly. His father died three years before. Every children need love. All the light was out. We are alread...
【单选题】Mary is said _____ in the supermarket for 5 years, but I don't know why she resigned last month. [     ]
A.
to have been working
B.
work
C.
to be working
D.
to have worked
【简答题】Fill in the blank with the approapriate forms of the given words. She resigned for the reason that she couldn't stand the and unfriendliness on the office. (compete)
【单选题】—I haven't seen film star Sally for a long time. —She ________ the stage because she gave birth to a baby last year. [     ]
A.
resigned
B.
retired
C.
quitted
D.
abandoned
【判断题】菱形立体交叉存在两个平面交叉口,来满足转向要求。
A.
正确
B.
错误
【单选题】下肢假肢,若有软衬套的,需要高出接受腔上缘多少( )
A.
.4㎜
B.
.5㎜
C.
.6㎜
D.
.7㎜
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