题目内容

树叶落下的沙沙声的声压级约为()。

A. 5分贝
B. 10分贝
C. 20分贝
D. 40分贝

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The TTS run will demonstrate ()the car can take curves as fast as a human driver—without driving off a cliff.

A. as
B. that
C. when
D. whether

Consequently, more than 100 cities in the United States still have levels of carbon monoxide, particulate matter, and ozone that()legally established limits.

A. succeed
B. proceed
C. exceed
D. excess

Your speech class will give you an opportunity to gain confidence and make your nervousness work for you()against you.

A. more than
B. apart from
C. rather than
D. instead

They do this by doing well-informed about their subjects, being honest in what they say, by using sound evidence, and by employing()reasoning.

A. valley
B. value
C. vary
D. valid

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