this is a bed and that is a bed,--------填空 [ it not eraser an is ]连词成句
题目
this is a bed and that is a bed,--------填空 [ it not eraser an is ]连词成句
完成对话.每次一空。1.A;------- is this?B;------is a baseball.A; ------ ------your-----?B;No.I-------- -------his baseball。2.A;----- ------。I ------ ------- his------.A; Jim,----- ------ ------- -------?C; yes ----- -----,------.A; that's ----- ------.
答案
too
it is not an eraser
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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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