The monkey ran awayin a short time. ( )

The monkey ran awayin a short time. ( )

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The mancame intothe room with his wife. ( )

The mancame intothe room with his wife. ( )

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小明同学在老教授指导下测定出玉米体细胞中有20条染色体,那么你推断受精卵中染色体数是

小明同学在老教授指导下测定出玉米体细胞中有20条染色体,那么你推断受精卵中染色体数是

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许多动植物对污染物很敏感,下列植物中可以作为空气污染程度的指示植物是

许多动植物对污染物很敏感,下列植物中可以作为空气污染程度的指示植物是

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I feel bad because of the two bad t_______. I have to see the dentist.

I feel bad because of the two bad t_______. I have to see the dentist.

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