Tom was ill yesterday,[although,but]he still went to school as usual.
题目
Tom was ill yesterday,[although,but]he still went to school as usual.
答案
这里是填but
因为,可以是：
although Tom was ill yesterday,he still went to school as usual
等于
Tom was ill yesterday,but he still went to school as usual
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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