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【单选题】
把原本不平衡的型腔布置,通过改变( )尺寸,使塑料能同时充满各型腔。A.
主流道
B.
分流道
C.
冷料穴
D.
浇口 答案分析:通过调节浇口尺寸,使浇口的流量及成型工艺条件达到一致,这就是浇注系统的平衡。
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反馈参考答案：
举一反三
【单选题】_____ the instructions on the packet when you take the drug and the drug, I think, will work soon. [ ]
A.
Follow
B.
To follow
C.
Following
D.
Followed
【单选题】Hurry up, kids! The school bus is coming. We have ____ time left.
A.
few
B.
B .a few
C.
little
D.
D . a little
【单选题】Hurry up，kids！The school bus ________for us！ (2013·四川，3)
A.
waits
B.
was waiting
C.
waited
D.
is waiting
【判断题】How to translate” an individual drug substance” by Chinese properly? 一种药物
A.
正确
B.
错误
【单选题】Hurry up, kids! The school bus _______ for us!
A.
waits
B.
was waiting
C.
waited
D.
is waiting
【简答题】请简述戊戌变法的历史背景。
【单选题】(2013·高考四川卷)Hurry up，kids！The school bus________for us!
A.
waits
B.
was waiting
C.
waited
D.
is waiting
【简答题】An inert or innocuous substance used especially in controlled experiments testing the efficacy of another substance (such as a drug) is termed .
【单选题】Don ’ t know where your kids are in the house? Turn off the Internet and they will _____ quickly. A.get up B. hurry up C. show up
A.
1
B.
2
C.
3
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