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【多选题】
导游人员对游客提出的一些意料不到的问题或要求所采取的应急办法有( )等。A.
微笑不语
B.
类比反问
C.
避实就虚
D.
有意岔题
E.
以退为进
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Those against oil drilling in ANWR argue that______.
A.
it will drain the oil reserves in the Alaskan region
B.
it can do little to solve U.S. energy problems
C.
it can cause serious damage to the environment
D.
it will not have much commercial value
【单选题】The amount of lubricating oil in the drain tank should be checked by ( )
A.
metering
B.
weighting
C.
sounding rod
【单选题】“Clean oil drain plugs and screw in with new aluminum sealing ring”,请从这句话中找出undo的反义词。
A.
sealing
B.
screw
C.
clean
【单选题】_____ is arranged for cleaning the lubricating oil in the system and clean oil can be provided from a storage tank.
A.
A filter
B.
A centrifuge
C.
A distiller
D.
A generator
【单选题】The lubricating oil is pumped from the drain tank, very often with _____ in the suction line.
A.
a filter
B.
a strainer
C.
a magnetic filter
D.
a fine strainer
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