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【单选题】
蜗杆的齿形角是在通过蜗杆的剖面内,轴线的面与( )之间的夹角。A.
端面
B.
大径
C.
齿侧
D.
齿根
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举一反三
【简答题】Choose the best answer to the following questions according to the text we learnt. 1. An OS consists of one or more _____ that manage the operations of computer. A. inteces B. programs C. kernel te...
【单选题】______ work has been done to improve people' s living standard.
A.
Many
B.
A great many
C.
A large number of
D.
A great deal of
【单选题】Your computer has the following hardware configuration: 512 MB of RAM 10-GB hard disk 933-MHz processor 64-MB video adapter. You want to install Microsoft Windows Vista on this computer. You need to i...
A.
A
B.
B
C.
C
D.
D
【单选题】_________money has been invested to promote the traffic conditions of this city.
A.
A plenty of
B.
A large amount of
C.
A great number of
D.
A large sum
【判断题】“ C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp ”是Windows10系统的开机自启动文件夹。
A.
正确
B.
错误
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