题目内容

Some plants are so sensitive ___ population that they can only survive in a perfectly clean environment.

A.with
B.to
C.from
D.against

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On January 1st many people make a New Year ___.

A.intention
B.determination
C.dedication
D.resolution

Bill assured his boss that he would ___ all his energies in doing this new job.

A.call forth
B.call at
C.call in
D.call off

We had a ___ lesson in ideological education yesterday and were deeply impressed.

A.profound
B.deep
C.extreme
D.shallow

Despite technical progress, some food production is still completely ___ on weather.

A.reliable
B.dependable
C.dependent
D.inseparable