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【简答题】
We sat outside in the ____________ sunshine, breathing the fresh country air. (brilliant)
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举一反三
【单选题】听力原文：M: Have you done this before? W: No. But if we follow the directions, we shouldn't have any trouble. What is important for them to do?
A.
Practice together.
B.
Experience.
C.
Carry out instructions.
【简答题】简答题: 1. 图示环境科学的分支学科。 2. 简述环境化学的研究内容、特点及研究领域。 3.环境污染物有哪些类别?主要的化学污染物有哪些? 3.简述环境效应的分类,各举一例。
【单选题】听力原文：W: Why do we have to finish this proposal tonight? It's already 6 p. m. Can't we complete it tomorrow? M: It has to go to the post office before twelve tonight. We must make sure that all the fig...
A.
4 hours.
B.
6 hours.
C.
12 hours.
D.
18 hours.
【简答题】W e all need a healthy environment, but we produce waste every day and it does harm to our environment. Though we are young, we can still do something to help. In fact, even the st everyday acti...
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