用连词改写句子1.the rain stopped .they stayed in her room ( until)
题目
用连词改写句子1.the rain stopped .they stayed in her room ( until)
2.he had to stand up .all the seats were full (as) 3.the telephone rang.i was takinga bath.(while)
答案
1. They stayed in her room until the rain stopped.
2. He had to stand up as all the seats were full.
3. The telephone rang while i was taking a bath.
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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