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问题
单项选择题
义务兵退出现役后，按照（）原则接受安置。
A.从哪里来，回哪里去
B.自行挑选工作岗位
C.等待国家分配
D.择优录用
答案
参考答案：A
选择题
关于方程，下列说法不正确的是（ ）
A．方程一定是等式
B．方程一定只有一个未知数
C．方程中应至少有一个未知数
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选择题
Leonardo da Vinci (1452 - 1519) _____ birds kept in cages in order to have the pleasure of setting them free.
A. is said to be buying
B. is said to have bought
C. had said to buy
D. has said to have bought
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