单项选择题

If you want to see a doctor, you will fix a date with him ahead of time. That is a common （）in the USA.

A. sense
B. practice
C. rule
D. point

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单项选择题
Some people like drinking coffee, for it has ______ effects.
A. promoting
B. stimulating
C. enhancing
D. encouraging
单项选择题
He was in hospital for six months. He felt as if he was （）from the outside world.

A. cut out
B. cut off
C. cut up
D. cut through
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