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【简答题】
a=[1] def fun4(x=a): print(x) fun4() a[0]=2 fun4() a=[3] fun4()
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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】荀子曰：“蓬生麻中，不扶自直；白沙在涅，与之俱黑。”从文化对人的影响的角度看，下列典故和成语体现的道理与之一致的是（） ①孟母三迁 ②近朱者赤，近墨者黑 ③东施效颦 ④月是故乡明
A.
①②
B.
①④
C.
③④
D.
②③
【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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