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

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单项选择题

The author's attitude to ward Richard Lamm's remark is one of ______.

A．strong disapproval
B．reserved consent
C．slight contempt
D．enthusiastic support

单项选择题

What is Americans' favorite game

A．Baseball.
B．Basketball.
C．Professional football.
D．Soccer.