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【单选题】
粘结试粘时哪一步工作不用做?A.
检查零件的可连接性
B.
检查辅料是否合适
C.
确定粘结件的位置
D.
固定粘结件
E.
涂胶
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反馈参考答案：
举一反三
【简答题】退火、正火一般安排在（）之后。
【单选题】Traditionally, college students hold a graduation ceremony to encourage themselves before they on their life jouney.
A.
give up
B.
settle down
C.
get through
D.
set off
【单选题】According to the passage, how are ants guided by trail pheromones?
A.
They concentrate on the smell of food.
B.
They follow an ant who is familiar with the trail
C.
They avoid the vapor spaces by moving in a straight line.
D.
They sense the vapor through their antennae.
【单选题】Traditionally, college students hold a graduation ceremony to encourage themselves before they on their life journey.
A.
give up
B.
settle down
C.
get through
D.
set off
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