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 6*twgr* rp-mf9ayr kq,3w a(r a 1ir9lq y0nrd kee:kwi69 69skbove a paper strip, the paper 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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