There be句型造句
题目
There be句型造句
20句 10句There is 10句 There are
答案
1There is a book on the desk.2There is a pen in the pencilcase3There is an apple on the tree4There is some money in the box5There is some water in the glass6There is a ball under the chair 7There is a...
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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