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【简答题】
已知： ，则2-2a+b=（ ）。
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举一反三
【单选题】—Hello, Jack, where were you last night?—_____. We were talking about the war on Iraq.A．At the Ro
A.
12．—Hello, Jack, where were you last night? —_____. We were talking about the war on Iraq. A．At the Roberts’
B.
To the Roberts
C.
To Roberts
D.
At the Roberts
【简答题】邮寄调查的缺点是( )。
【单选题】The Pork State Control officer may witness a fire drill carried out by the crew assigned to these duties on the ____.
A.
Navigation Log Book
B.
Engine Room Log Book
C.
Oil Record Book
D.
Muster List
【单选题】The Pork State Control officer may witness a fire drill carried out by the crew assigned to these duties on the ____.
A.
Navigation Log Book
B.
Oil Record Book
C.
Engine Room Log Book
D.
Muster List
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