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【简答题】
( 3 空) 聚合反应大多是放热反应,而聚合过程为了控制产品的平均分子质量,要求体系的温度波动不能太大,因此,聚合反应器首要的问题是如何有效地 以保持规定的反应温度,单体在聚合反应中转变为聚合物的速度与 、 的种类及用量等因素有关。
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【简答题】My daughter Julie and I went shopping this morning. A little part of me thought about going to another checkout line. This one had the shortest queue, there was only one guy in it, but he was in a __ ...
【单选题】听力原文：Man: Hello. This is Guy Cooper from Centron Electronics here. I believe you rang for some advice about your alarm system, which isn't functioning properly. The message I got said you weren't sure...
A.
to make a complaint
B.
to deny something
C.
to offer assistance
D.
to ask for advice
E.
to express doubt
F.
to ask for permission
G.
to explain an action
H.
to recommend a new policy
【单选题】Para.7 “To start with I must admit that at first I harbored reservations about a mixed marriage, prejudices you might even call them. But when I met Mark I found him a charming and intelligent young g...
A.
Gail's mother harbored reservations about a mixed marriage
B.
Any mother would be proud to have a man like Mark for a son-in-law.
C.
My friends would talk about the mixed marriage.
D.
Mark’s color is not the problem.
【单选题】Dean: That guy in the blue car almost ran into us! That really ticks me off!
A.
Keep cool.
B.
This is an outrage!
C.
How dare he?!
【简答题】A little part of me thought about going to another checkout line．This one had the shortest ，there was only one guy in it，but he was in a and there seemed to be some difficulties ． We stepped in behind...
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