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【多选题】
关于鼓式车轮制动器,下列说法中A的是A.
简单非平衡式车轮制动器中没有助式蹄
B.
单向助式平衡式车轮制动器在倒车均为从蹄
C.
单向助式平衡式车轮制动器在前进和倒车制动时制动效能一致
D.
双向助势平衡式车轮制动器在倒车制动时两蹄均为领蹄
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【单选题】Our English teacher told us to find out ____ the differences between American English and British English lie.
A.
where
B.
how
C.
what
D.
which
【简答题】美国最大的汽车公司也是全球最大的汽车公司是_ ,其公司总部位于 底特律 。
【单选题】To learn English well, we should find opportunities to hear English ___________ as much as we can.
A.
speak
B.
speaking
C.
spoken
D.
to speak
【单选题】This book is the English______translated from Spanish.
A.
publication
B.
editor
C.
printing
D.
version
【简答题】To learn English well, we should find opportunities to hear English _________ as much as we can． A．speak B．speaking C．spoken D．to speak
【单选题】The more English words you remember，the easier you will find________to read English articles. [ ]
A.
it
B.
you
C.
this
D.
that
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