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【多选题】
制动片衬垫更换标准（ ）。A.
厚度小于4.5mm
B.
当铆钉头部低于衬垫表面不足1mm时
C.
厚度小于6mm
D.
当铆钉头部低于衬垫表面不足2mm时
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举一反三
【单选题】Please choose the right description about the language of two.
A.
The Language of Two is to provide the sense of whole.
B.
The language of Two is to divide the world.
C.
The language of Two is to denote the single-mindedness.
D.
The Language of Two is to list, compile and expand.
【简答题】眼睛的( )相当于光屏,近视眼用( )来矫正,远视眼用( )矫正。
【简答题】A．It was rather boring. B．It was quite boring. C．It was interesting. D．It was really fun.
【简答题】A．It was burned down. B．It was robbed. C．It was blown up. D．It was closed down.
【简答题】混凝土应具有一定得抗渗性、抗冻性、抗侵蚀性、抗冲耐磨性、抗风化性、抗碳化性等，统称为混凝土（）。
【单选题】Computer language has only two letters, what are they? ( )
A.
zeros and eights
B.
ones and nines
C.
zeros and ones
D.
ones and eights
【简答题】A．It was pretty good. B．It was rather dull. C．It was not well organized. D．It was attended by many people.
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