九年级英语判断正误,对的填A错的填B
题目
九年级英语判断正误,对的填A错的填B
Do you like music?Maybe not.But wherever you go,you might hear music.Today most stores and restaurants play music.You might even hear music in a zoo or on a farm.
Scientists believe that music changes the way people behave.According to some scientists,the sound of western classical music makes people feel richer.When a restaurant plays classical music,people spend more money on food and drinks.When the restaurant plays modern music,people spend little money.With no music,people spend even less.
Scientists also believe that loud,fast music makes people eat faster.In fact,people eat their food faster when the music gets faster.Some restaurants play fast music during their busy hours.This gets people to eat faster and leave quickly.Restaurants can make more money this way.
Some scientists think that music makes you think and learn better.They say that music helps students to be more active.It is thought that people learn better when they are relaxed.And
答案
71.A 72.B 73.B 74.A 75.A
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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