单项选择题

The prevailing wind is the wind direction most often observed during a given time period. Wind speed is the rate at which the air moves past a stationary object.

A. motionless
B. massive
C. flexible
D. noticeable
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What is the speaker’s field of work
单项选择题
Before the construction of the road, it was prohibitively expensive to transport any furs or fruits across the mountains.
A. determinedly
B. incredibly
C. amazingly
D. forbiddingly
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