英语读一读,填一填.
题目
英语读一读,填一填.
1 -______ did they cime? -they came for the music competition.
2 -______ did they come? -they came last week .
3 -______ did they come to? -they came to China .
4 -______ did she play? -she played the flute .
5 -______ did the girl win? -she won a gold cup .
答案
1 why did they cime?-they came for the music competition.
2 when did they come?-they came last week .
3 where did they come to?-they came to China .
4 what did she play?-she played the flute .
5 what did the girl win?-she won a gold cup .
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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