单选题：There has been a change in doctors' understanding of the ca

题目内容：

There has been a change in doctors' understanding of the cause of stomach ulcer. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

The food we have is inadequate.

The food we have is inadequate.A．too much B．too many C．not enough D．not short

分类：卫生类题型：单选题

She likes to visit exotic islands.A．distant B．interesting C．remote D．backwards

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Civil rights are embodied in the platform.A．included B．excluded C．expressed D．e

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追求市场平均收益水平的投资者一般会选择（　　）。A．市场指数型证券组合 B．市场指数基金 C．收入型证券组合 D．平衡型证券组合

分类：卫生类题型：单选题

分类：卫生类题型：单选题