一个关于used to do、be used to doing等意思及用法的选择题
题目
一个关于used to do、be used to doing等意思及用法的选择题
He ( ) in the south.Now he has been ( ) in the south.
A.used to live;used to the life
B.used to living;used to live
C.used to the life;used to living
D.used to life;used to live
答案
A
used to do sth过去曾做某事
be used to sth习惯某事或某物
be used to doing sth习惯做某事
不过后面应该是north吧?
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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