26.A boy stood on the side of a boat in the river.His feel was 55cm away from the water.The water rose at 50 cm/h.How soon would the water reach his feet? A.Over one hour B.One and a half hours C.Never.Because the boat rose.too. 查看更多

 

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A boy stood on the side of a boat in the river.His feel was 55cm away from the water.The water rose at 50 cm/h.How soon would the water reach his feet?

A.Over one hour         B.One and a half hours      C.Never.Because the boat rose,too.

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