将马铃薯块挖个凹穴,放在内外两种液体中间。已知一种是清水,一

将马铃薯块挖个凹穴,放在内外两种液体中间。已知一种是清水,一种是30%的蔗糖溶液,开始时,两个液面是平的,过了一段时间后液面如下图,则:

(1)液体A是__________,B是__________。

(2)在图甲中,C处细胞________水,D处细胞________水。

(3)在图乙中,C处细胞________水,D处细胞________水。

答案

(1)30%的蔗糖溶液 清水 (2)失 吸 (3)吸 失

 

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