皮皮学，免费搜题
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【简答题】
减小混悬微粒沉降速度的方法有( ) (1.0分) A. 减小微粒半径 B.提高分散介质黏度 C.增大微粒密度 B. 加入助悬剂 E.提高分散介质密度
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举一反三
【单选题】Woman: What size are you? Man: ______Can you measure me?
A.
I don' t understand.
B.
I'd like to know.
C.
I'm not sure.
D.
I don't care.
【单选题】听力原文：W: I hope you can attend our company's opening ceremony this Sunday. M: I'd like to, but I have to make another appointment. What does he mean?
A.
He will go to the ceremony.
B.
He has time.
C.
He won't have time to attend the ceremony.
【单选题】听力原文：M: Last time I talked about the student services in the college, Today I'd like to talk a bout the Counseling Services. The college Counseling Service is located in the North Building. The counse...
A.
A student
B.
A counselor
C.
A course director
D.
A Students Union officer
【单选题】听力原文：W: Hello, Worldwide Flowers. Mrs. Green speaking. M: This is Jim Kelly. I'd like to order some flowers for my wife's birthday and have them sent to my home, 43 Brown Street. Q: Who ordered some f...
A.
Mr. Green.
B.
Mr. Kelly.
C.
Mr. Brown.
D.
Mr. Jim.
【简答题】尽管警察不相信他的话,他仍坚持自己是清白的。( insist, innocence )
【简答题】尽管警察不相信他的话, 他仍坚持自己是清白的。(insist, innocence)
【简答题】尽管警察不相信他的话,他仍坚持自己是清白的。
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