单项选择题

The results of the experiment ________ your theory.

A．bear out
B．back out
C．check out
D．hold out
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单项选择题
The author uses the example of cancer patients to show that ________.
A．medical resources are often wasted
B．doctors are helpless against fatal diseases
C．some treatments are too aggressive
D．medical costs are becoming unaffordable
单项选择题
The author's attitude toward Richard Lamm's remark is one of ________.
A．strong disapproval
B．reserved consent
C．slight contempt
D．enthusiastic support
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