单项选择题

There ought to be less anxiety over the perceived risk of mountain climbing than_______in the public mind today.

A．exists
B．exist
C．existing
D．to exist
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单项选择题
The expected life-span of Beijing residents has gone up by _______compared with that a decade earlier.
A．1.5 years
B．1.4 years
C．1.2 years
D．1.1 years
单项选择题
According to the speaker, yoga should NOT be described as________.
A．a delicate art
B．a religion
C．an exact science
D．a way of life
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