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单个齿轮画法:主视图可全剖但( );直齿圆柱齿轮规定单个齿轮的画法:齿顶圆画( );分度圆画( );齿根线画( )。
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【单选题】— How do you like Anne Hathaway — .
A.
She is an American actress
B.
She is amazing
C.
She’s already married
【简答题】月末企业银行存款的实有余额为银行对账单余额加上企业已收、银行未收款项，减去企业已付、银行未付的款项。( )
【单选题】_____ you've tried it, you can't imagine how tasty the fish I cooked is. [ ]
A.
Because
B.
Unless
C.
Although
D.
So long as
【单选题】—How long do you think it will be ________ President Hu Jintao makes another visit to America? —It all depends. [ ]
A.
when
B.
that
C.
before
D.
until
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