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【单选题】
明代戏曲《牡丹亭》的作者是 。A.
B.
任
C.
D.
洪舁
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反馈参考答案：
举一反三
【多选题】Which of the following reasons are given for air rage in the article?
A.
poor service
B.
flights not leaving on time
C.
poor air quality
D.
too many passengers on a plane
E.
not feeling safe
F.
people drinking alcohol
G.
not enough cabin crew
【多选题】Which of the following reasons are given for air rage in the article?
A.
poor service
B.
flights not leaving on time
C.
poor quality of food
D.
too many passengers on a plane
E.
not feeling safe
F.
people drinking alcohol
G.
poor air quality
【单选题】【单选】______ given air mass, the more water vapor it can contain.
A.
The colder
B.
The warmer
C.
The heavier
D.
The lighter
【简答题】__________________(空气流动阻力) is the loss in total pressure across the filter at a given air flow rate.
【单选题】As the temperature for given mass of air increases, the .
A.
relative humidity increases
B.
relative humidity decreases
C.
dew point increases
D.
dew point decreases
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