当一滴水沿着一根倾斜放置的木棒流下时，水滴不会在木棒的某一位置竖直落下，而是沿着木棒一直流到底端。这一现象说明（）

题干

A：物质的分子间存在引力

B：物质的分子间存在斥力

C：水具有黏性

D：重力的方向不一定竖直向下

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A

阅读短文，下列问题

B

Amy	I like singing. I can play the guitar and the piano. I want to join the music club.
Bill	Do you want to know my favorite sport? I like playing basketball very much. I can playing it well.
Jackie	I like playing the piano very much. I often play the piano after school.
Frank	My favorite sport is playing soccer, and I’m good at it.