英语单选:___in the regulations that you should not tell other people the password of your e-mai...
题目
英语单选:___in the regulations that you should not tell other people the password of your e-mai...
英语单选:___in the regulations that you should not tell other people the password of your e-mail account. A.It is required B.It required
答案
A.被要求,be required.这句话的意思是规章要求你不应该告诉别人你e-mail的密码.就好像it is asked that you should come.这是被动的
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
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