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【判断题】
螺旋槽的作用是构成切削刃、排出切屑和通切削液。( ) 答案:A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】听力原文： An international group Human Rights Watch says a climate of fear is developing in many parts of Afghanistan which it blames on regional warlords supported at least tacitly by the United States a...
A.
Failing power of the current government.
B.
A growing fear in many parts of the country.
C.
Power struggle among regional warlords.
D.
Unusual power of the religious diehards.
【单选题】The writer says the skills for communicating with your boss, which you desire to master will
A.
pay you up when you are a boss.
B.
become indispensable when you are a boss.
C.
be no longer required when your are a boss.
D.
become rewarding when your are a boss.
【单选题】The morning news says a school bus ______ with a train at the junction, and a group of policemen were sent there immediately.
A.
bumped
B.
crashed
C.
collided
D.
struck
【简答题】什么叫电力网？
【简答题】什么叫电力网？
【简答题】什么叫电力网（或电力系统）？
【简答题】intention
【简答题】什么叫电力网？
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