two Christmas trees are of ___size,but the one they bought yesterday is maybe twic
题目
two Christmas trees are of ___size,but the one they bought yesterday is maybe twic
These two Christmas trees are of ___size,but the one they bought yesterday is maybe twice ___size of them.
A.the,the B.a,the C.a,a D.the,a
求解释第二个选项
答案
be of a size 同一个尺寸
be twice the size of .的两倍大
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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