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【判断题】
中国古代传统家庭中的多子主义,指的是要有尽可能多的男性后代。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】人类23对染色体分为____个组,其中X染色体属于____组,Y染色体属于____组。
【单选题】When a supplier's shipments start arriving _____late, incomplete or damaged, it's time to consider looking for a new one.
A.
steadily
B.
sensibly
C.
exactly
D.
consistently
【单选题】When the passion and drive ebb, ______.
A.
it's time to show the importance of one's full energy
B.
it's hard to move on again
C.
it's time to test one's work ability
D.
it's likely that high-level person won't give up
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