英语宾语从句练习题
题目
英语宾语从句练习题
1.He didnot know[ ]he could finish the work on time.
2.Tom said [ ] he[ ] in the library that morning.
3.He asked me[ ] I had seen the film.
答案
1.He didnot know[ if/ whether ]he could finish the work on time.2.Tom said [ that ] he[ was ] in the library that morning.3.He asked me[ if/ whether ] I had s...
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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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