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【简答题】
1) 多晶体的塑性变形主要在晶内和 进行。晶内变形同单晶体变形机制，如 、 等，晶间变形机制主要为晶粒的转动和移动机理、 机理和粘滞性晶间流动机理。
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举一反三
【简答题】循猪嗜血杆菌与金黄色葡萄球菌一起培养可呈 。
【单选题】According to the author，the image of Lincoln conceived by contemporary people
A.
reveals the variety of current opinions on heroes．
B.
shows the present-day desire to emulate Lincoln．
C.
reflects the present—day tendency of worship．
D.
conforms to traditional images．
【单选题】It is acknowledged that ___ shortest distance between persons is ___ sincere smile. [ ]
A.
A; the
B.
The; /
C.
A ; /
D.
The ; a
【单选题】According to the passage, distance learning is considered to ______.
A.
completely change the way people acquire knowledge.
B.
be of little value for people's acquisition of knowledge.
C.
be useful in some aspects for the acquisition of knowledge.
D.
have great potential in guiding people to acquire knowledge.
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