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【单选题】
强制脱螺纹的模具结构( ) ,用于精度要求( ) 的塑件。 ( )A.
简单，不高
B.
复杂，不高
C.
简单，高
D.
复杂，高
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反馈参考答案：
举一反三
【简答题】Write out an indirect speech report of the recorded conversation between a security guard and a young man called Jimmy. The beginning is given below. “ The guard asked Jimmy what he... ” Guard: What a...
【单选题】Part I Listening Comprehension Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there ar...
A.
To have his own business.
B.
To do social work.
C.
To move to another city.
D.
To go to study abroad.
【简答题】增加混悬剂稳定性的方法是A. 加入助悬剂B.加入润湿剂C.加入絮凝剂 B. 减小混悬微粒半径E.加入触变胶
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