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【简答题】
隔声性分为 和 两种
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举一反三
【多选题】建筑施工企业应当遵守有关环境保护和安全生产的规定，采取控制和处理施工现场的各种()的措施。
A.
粉尘
B.
废气
C.
固体废物
D.
废水
E.
噪声、振动对环境的污染和危害
【单选题】What kind of______. does the book have? Is it hard back or soft back?
A.
binding
B.
mispresenting
C.
mislaying
D.
basking
【单选题】听力原文：Why is it always left up to me to pick up a room? What does the speaker mean by saying so?
A.
He feels puzzled.
B.
He is complaining.
C.
He is inquisitive.
D.
He is unsatisfied.
【多选题】建筑施工企业应当遵守有关环境保护和安全生产的法律、法规的规定，采取控制和处理施工现场的各种____对环境的污染和危害的措施。
A.
粉尘
B.
废气
C.
废水
D.
噪声
【单选题】We have no radio communications, no back-up. What does back-up mean?
A.
map or route
B.
equipment
C.
help or extra support
【单选题】What does"back up"mean in Line 4, Para. 7?
A.
encourage
B.
support
C.
explain
D.
elaborate
【单选题】What qualification does Angel Hsu have to back up her points?
A.
She is a data analyst.
B.
She is an ecologist.
C.
She is a Chinese American.
D.
She has been to Tibet.
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