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【单选题】
车削多线螺纹时,轴向分线时应按( )分线。A.
螺距
B.
导程
C.
头数
D.
角度
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【简答题】B-ISDN中的ISDN的意思是综合业务数字网(Integrated Service Digital Network) ，而B的意思是【 】。
【单选题】We have planned an exciting publicity ________ with our advertisers.
A.
struggle
B.
campaign
C.
battle
D.
conflict
【单选题】We have created all kinds of levels of monitoring anand testing and controlling and limiting and sanctioning , ordering, defining our behavior and our thoughts.
A.
approving
B.
confusing
C.
framing
D.
confining
【单选题】We went to Canada to travel and my cousin _____as our guide. A. played B. showed C. acted D. performed
A.
1
B.
2
C.
3
D.
4
【单选题】We must ______ all kinds of difficulties all our life .
A.
be prepared for
B.
prepared
C.
prepare
D.
prepare ourselves
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