英语单选提问
题目
英语单选提问
a car accident happened and the boy was baddly injured,so i insisted that a doctor—— immediately.
A would send for B would be sent for C could be sent for D be sent for
为啥选D?
答案
虚拟语气与被动形态,insist做不及物动词表示“坚决主张,强调时”要用虚拟语气
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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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