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【简答题】
adj. 滑稽的,喜剧的( )
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举一反三
【单选题】– Could you___the seat for me? I am coming right back.( )
A.
look over
B.
look at
C.
spare
D.
keep
【单选题】I am looking forward to _____ to my hometown
A.
go back
B.
going back
C.
go back to
D.
going back to
【单选题】I am so glad to be back again in San Francisco. Thank you for coming to the ______to meet me, Tony.
A.
aircraft
B.
airport
C.
air bus
D.
airline
【单选题】I am coming back today and so could I have a ______ .
A.
come back
B.
single
C.
one way
D.
return
【简答题】―The telephone is ringing. ―I _________ answer it. A．will B．am going to C．am to D．am about to
【单选题】--- Oh! You bumped me! --- I am sorry. But I to catch the coming bus.
A.
try
B.
tried
C.
am trying
D.
was trying
【简答题】简述齿轮泵、叶片泵、柱塞泵的优缺点及应用场合。 2.简述直轴式轴向柱塞泵的工作原理 3.斜盘泵的中心弹簧有何作用? 4.滑履的作用是什么?
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