几道高中英语选择题,急切求助!
题目
几道高中英语选择题,急切求助!
1、——Let me help you cross the street.
——(空)I am not that old.
A take you time B no way C come on D go ahead
2、(空)your answer,I would have come back two weeks ago
A if i received B should i received C had i received D if i could have received
3、I tried two different methods,yet (空)of them seemed to work very well
A neither B none C each D both
求各题的详细解答,不要只有个答案,谢谢了!
答案
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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