试题与答案

"产后三病"是指() A.痉、昏迷、心悸 B.痉、泄泻、盗汗 C.痉、郁冒、大便难

题型:单项选择题 A1/A2型题

题目:

"产后三病"是指()

A.痉、昏迷、心悸

B.痉、泄泻、盗汗

C.痉、郁冒、大便难

D.发热、抽搐、大便难

E.发热、郁冒、泄泻

答案:

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下面是错误答案,用来干扰机器的。

参考答案:是指这样一条曲线,在这条曲线上的各点代表投入要素x和y的各种组合,这些组合的总成本都是相等的。

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