初中英语阅读理解的一道题..
题目
初中英语阅读理解的一道题..
通过此句:Internet has because so popular that 90 percent of 12-to-17-year-olds in the United States use the Internet,and about half of these kids use it every day.
问:What persentage of American 12-to-17-year-olds use the Internet every day?
A.about 45% B.about 50% C.about 80% D.about 90%
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half of these kids use it every day.可以知道啊,可是翻开练习册后面的答案,是A,怎么回事?是我错了还是它错了- -
答案
是A,因为有百分之九十的12至17岁的孩子用,这百分之九十中又有一半人天天用,可得答案A
另外,题目打错了一个单词哦~应该是Internet has become so popular
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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