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【单选题】
表面活性剂具有的性质是( ) ①润湿作用 ②渗透作用 ③发泡作用 ④乳化作用A.
①②③④
B.
仅①②③
C.
仅②③④
D.
仅①②④
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反馈参考答案：
举一反三
【单选题】Remember what our professor said. If you fail to complete your ____ on time, you may lose points for your final grade.
A.
accompany
B.
assignments
C.
assurance
D.
access
【单选题】A. A professor. C. A designer. B. A manager. D. An engineer.
A.
A professor.
B.
A manager.
C.
A designer.
D.
An engineer.
【简答题】adj. 健康的,有益健康的,卫生的
【简答题】A. Professor Smith’s talk is better than Professor Green’s. B. Professor Smith’s talk is as good as Professor Green’s. C. Professor Smith’s talk is worse than Professor Green’s. D. Professor Smith’s ...
【简答题】19-21 Now you'll hear the two long conversations. Conversation One 19. A. She feels embarrassed when speaking in public. B. Her presentation receives a poor grade. C. She has not completed her assignm...
【简答题】听第 10 段材料,回答第 17 至 20 题。 17. What is the speaker? A . A freshman in Deep Springs College. B . An editor in the college. C . A professor in the college. 18 . What is L . L.Nunn's intention to found Dee...
【简答题】A. A) A professor. B. B) A manger. C. C) An engineer. D. D) A designer
【单选题】On a ____ day, our professor works in the lab from 9A.M.to 11 P.M.
A.
following
B.
typical
C.
previous
D.
diligent
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