你周末都做了神马呢?请写一篇英语小短文.
题目
你周末都做了神马呢?请写一篇英语小短文.
要求用过去式,字数不限.
答案
Last weekend,I was so busy.In the morning,I went to have remedial classes of English downtown.After that,my parents took me to visit my grandparents in the country.I hadn't seen them for half a year.It is so far that we didn't get home until 8 o'clock in the evening.I was so tired.I wish I could stay at home to have a good rest this weekend.
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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