John is unhappy because he failed in the English exam. 该同义句. John is unhappy because he( ) ()the En
题目
John is unhappy because he failed in the English exam. 该同义句. John is unhappy because he( ) ()the English exam.
答案
John is unhappy because he (didn't) (pass) the English exam.
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