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【多选题】
在以下变量数列中,属于离散型变量的有( )。A.
生产电视机的数量
B.
人口总数
C.
粮食产量
D.
机械设备台数
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反馈参考答案：
举一反三
【简答题】One day Jerry borrowed a pot from his neighbor Tom. The next day he brought it back with another little pot inside. "That's not mine," said Tom. "Yes, it is," said Jerry. "While your pot was staying w...
【单选题】I don't know why Wang Xiaoming _____ us recently. [ ]
A.
hasn't wrote
B.
hasn't written
C.
doesn't write
D.
isn't writing
【单选题】Tom ________ a letter from Terry for a long time.
A.
didn’t receive
B.
hasn’t got
C.
didn’t have
D.
hasn’t heard
【单选题】Even enemies were sometimes _____ to admit the truth.
A.
compelled
B.
intense
C.
prominent
D.
1 foster
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