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【判断题】
两个对立事件的概率和是1.A.
正确
B.
错误
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【单选题】—Do you know when Tom ________ from abroad? Perhaps it will be a long time before he ________.
A.
will come; will come
B.
comes; will come
C.
will come; comes
D.
comes; comes
【单选题】---- Do you know where the sales department is? ---- It ’ s on floor. A. nine B. ninth C. the ninth D. a ninth
A.
B.
C.
D.
D
【简答题】For years, it has been assumed that teachers,( 26 ) math teachers,need to the content they intend to teach. And the best way to do this is to take courses( 27 )that content. Yet in a paper ...
【简答题】肛管排气时，肛管插入肛门长度约( )
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