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【判断题】
在火花塞的中心电极和侧电极之间形成一个可以被高压击穿的间隙。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】浇口应开设在塑件壁厚（ ）处，以减少流动阻力，并有助于补缩。A ．较厚 B ．较薄 C ．均匀 D ．以上都不
A.
．较厚
B.
．较薄
C.
．均匀
D.
．以上都不
【单选题】We need to ______ the purpose of the experiment again.
A.
clarify
B.
cling
C.
claim
D.
clap
【单选题】A stamp design includes several elements required for it to ________ its purpose satisfactorily.
A.
adapt
B.
apply
C.
accomplish
D.
acquire
【单选题】The edge of the wise over the unwise lies in their tendency to _______ about the purpose of their life.
A.
promote
B.
account
C.
insist
D.
speculate
【简答题】It was a m struggle, a death march to the end. ( completely stupid and without any purpose )
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