如图说法中不正确的是

题干

如图说法中不正确的是（）

A：用吸管吸饮料利用了大气压的作用

B：坦克安装履带是为了减小对地面的压力

C：水坝的下部比上部建的宽一些，因为同种液体产生的压强随深度增加而增大

D：吹气时纸条向上飘，因为纸条上方的空气流速大，压强小

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B

Name	Personal information
Norman Bethune	Born in 1890,A doctor in Canada Died in November, 1939 in China, Came to China in March 1938
Celine Dion	Born in Canada, A singing star, In 1997 sang My Heart Will Go On for the film Titanic
Thomas Edison	Born in 1847,in USA, Made over 1,000 inventions, Died in 1931
Mark Twain	Born in 1835, in USA, A writer in USA, Died in 1910, Wrote The Adventure of Tom Sawyer
Bill Gates	Born in 1955, in USA, Wrote Business @the Speed of Thought, Owns Microsoft Company