【英语选择题】white matches ____.(all colours/any other colours/the other colour/any other colour)
题目
【英语选择题】white matches ____.(all colours/any other colours/the other colour/any other colour)
my parents are ___ teachers in a middle school.we ___ like watching films.(all;both/both;all/all;all/both;both)
___ do you walk around the shopping mall?--for less than two hours.
(how often/when/how long/how much)
can you ____ a pen ___ me?
(borrow;to/borrow;from/lend;to/lend;from)
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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