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【单选题】
Excel工作表B列保存了11位手机号码信息,为了保护个人隐私,需将手机号码的后四位均用“*”表示,以B2单元格为例,最优的操作方式是( )。A.
=REPLACE(B2,7,4”****”)
B.
=REPLACE(B2,8,4,”****”)
C.
=MID(B2，7，4，”****”)
D.
=MID(B2,8,4,”****”)
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【单选题】What is implied about Newman's juggling of school and play?
A.
He studies hard and spends more time on it than on play.
B.
He spends more time running companies than studying.
C.
He has no time playing because of school and work.
D.
He never minds how much time he spends on study.
【简答题】Tony never spends money on buying books ________ he
doesn't like reading.A. but B. because C. though D. until
【简答题】铸造铝合金包括 、 、 和 等系列合金。
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