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【简答题】
如果 且a≠2，那么 等于（ ）．
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举一反三
【单选题】We can conclude from the passage that in teaching the intermediate reader much attention should be paid to______.
A.
selection of reading materials
B.
teachers
C.
fluency and a wide coverage of' the language
D.
individual and graded learners
【判断题】In the intermediate run, effective GM’s must train and develop subordinates as well as formulate plans and programs that systematically improve their operational control over the hotel.
A.
正确
B.
错误
【简答题】下列各项属于人类所特有的活动的有( )
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