—How wide is the table?—It is ___ .A.three foot and one half foot B.three and half feet C.three
题目
—How wide is the table?—It is ___ .A.three foot and one half foot B.three and half feet C.three
—How wide is the table?
—It is ___ .
A.three foot and one half foot B.three and half feet
C.three and one half feel D.three and one half foot
答案是选A,为什么不选B?是因为foot做桌子腿讲的时候用单数吗?如果是这样的话,为什么不选D呢?
不好意思是我打错了C选项应该为 “C.three and one half feet”
答案
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