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【判断题】
数控铣削刀具补偿功能包含刀具半径补偿和刀具长度补偿。A.
正确
B.
错误
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【单选题】听力原文： An American U-2 surveillance plane made its first flight over Iraq on Monday in support of the current U.N. inspection mission, marking another concession by Saddam Hussein's regime to stave off...
A.
she protests against military action.
B.
she maneuvers to show its forces.
C.
she intends to defend its country.
D.
she makes another concession.
【单选题】听力原文： General Electric reported second-quarter profits of $ 5.4 billion Friday and said it was getting out of the U.S. mortgage business. Profits for the quarter ending June 30 were up by more than 10...
A.
$ 5.4 billion
B.
$4.9 billion
C.
$0.5 billion
D.
$10.3 billion
【简答题】E Babies are not just passing idle time when they stare goggle-eyed at the television—they are actually learning about the world, U.S. researchers said. Parents may want t limit what their babies see ...
【简答题】The 'Occupy Wall Street' movement gained more support on Wednesday as unions and students joined in. With the protests developing from a group of young people's camping out near the New York Stock Exc...
【单选题】浅绿色的Fe(NO 3 ) 2 溶液中存在着如下的平衡：Fe 2+ +2H 2 O Fe(OH) 2 +2H + 若在此溶液中加入稀硫酸，则溶液的颜色变化为( )
A.
绿色变深
B.
浅绿色变得更浅
C.
变黄
D.
无明显变化
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