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问题 多项选择题

政府融资平台的风险定性结果分为（）。

A.全覆盖

B.基本覆盖

C.半覆盖

D.部分覆盖

E.无覆盖

答案

参考答案：A, B, C, E

单项选择题

呆小症的病因是由于

A．糖皮质激素分泌过多
B．幼年时甲状腺功能不足
C．食物中缺碘
D．食物中缺蛋白质
E．幼年时生长素分泌不足
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选择题
They became friends again that day. Until then, they _____ to each other for nearly two years.

A. didn't speak
B. hadn't spoken
C. haven't spoken
D. haven't been speaking
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