She was out of breath.是否等于she was breathing with difficulty.
题目
She was out of breath.是否等于she was breathing with difficulty.
she couldn't breathe 是否等于She was out of breath
答案
不等于啊,前者是因为劳累货真体虚弱而产生的,而活着因病情造成的
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