皮皮学，免费搜题
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【单选题】
金属的塑性变形主要是通过哪种方式进行的。A.
晶粒的相对滑动
B.
晶格的扭折
C.
位错类型的改变
D.
位错的移动
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】—Hi, let’s go skating. —Sorry, I’m busy right now. I ___________ in an application form for a new job. A. fill B. have filled C. am filling D. will fill
A.
fill
B.
have filled
C.
am filling
D.
will fill
【单选题】A virtual rise in the center of gravity may be caused by ______.
A.
filling a partially filled tank
B.
using an on board crane to lift a freely swinging heavy object
C.
emptying a partially filled tank
D.
transferring ballast from the forepeak to the after peak
【单选题】When filling in a form, you are reqired to fill in gender "男性”, which one is right?
A.
man
B.
boy
C.
gentleman
D.
male
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