these apples are very expensive.do you know ()?A how do they cost B how many do they cost
题目
these apples are very expensive.do you know ()?A how do they cost B how many do they cost
C how much do they cost Dhow much they cost为什么选D不选C?
答案
因为这里是作为know的宾语从句,要使用陈述语序
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
最新试题
热门考点