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【多选题】
柴油机可燃混合气的形成方式( )A.
空间雾化混合方式
B.
油膜蒸发混合方式
C.
自然混合
D.
自然蒸发
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皮皮学刷刷变学霸
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【简答题】The doctor asked us to call him during the night in case of ________________.
【简答题】The doctor asked us to watch out for fleas and ticks that may _________ our pets. (to exist in large numbers in a particular place, often causing damage or disease )
【单选题】The doctor asked us to call him in case of .
A.
necessary
B.
necessarily
C.
necesssity
D.
important
【单选题】You haven't forgot what the doctor asked us to do, _____ ?
A.
didn't you
B.
did you
C.
haven't you
D.
have you
【简答题】目前我国智能卡的推广应用中还存在一些障碍，主要是安全问题和( )。 A资金问题 B政策问题 C成本问题 D观念问题
【简答题】The doctor asked us to watch out for fleas and ticks that may ____our pets.
【简答题】The doctor asked us to call him during the night except in case of ________ (necessary).
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