how many students are there in your school?____the students ____more than one thousand
题目
how many students are there in your school?____the students ____more than one thousand
the number of is 还是 a number of are
答案
how many students are there in your school? _the number of___the students __is__more than one thousand
说明:the number of :.的数量 后面的系词用第三人称单数的 is was
a number of = many 许多的 修饰可数名词复数 后面的系词用 are were
数量只是一个数字而已,所以当成单数名词来看!
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.
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