本题目来源于试卷: Physics Unit10: Fluids Related Topics，类别为 通用国际物理
[单选题]
When you blow some air above a paper strip, the p5wqs prdpfp 7a56bm b0:n:5 awaperqv* zt +4yg8kj rises. This is because
A. the air above the paper moves faster and the pressure is higher.
B. the air above the paper moves faster and the pressure is lower.
C. the air above the paper moves slower and the pressure is higher.
D. the air above the paper moves slower and the pressure is lower.
参考答案: B
本题详细解析:
暂无
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