( )Tom is waiting for the thief to return __________.

( )Tom is waiting for the thief to return __________. A.to meet him B.to get mor

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"Dad, can you tell me how to get ricn. My dad put down the e

"Dad, can you tell me how to get ricn. My dad put down the evening paper. 21do

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( )This passage in general is about__________.

( )This passage in general is about__________. A.Halley and other scientists B.t

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( )The underlined part "stray from the path" means _________

( )The underlined part "stray from the path" means _________. A.lose its way B.s

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热力管道敷设时,汽水逆向流动时的坡度不得小于(  )。

热力管道敷设时,汽水逆向流动时的坡度不得小于(  )。A.0.002 B.0.003 C.0.004 D.0.005

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