填空,将对话补充完整
题目
填空,将对话补充完整
A:( )we go to the park?
B:Ok,but(
A:( ) bus .
B:Ok,( )go.What is ( ) over there?
A:It is a sign.
B:What ( ) it mean?
A:It ( )"Keep ( ) the grass."
B:Oh,I ( ) .We ( )walk ( ) the grass.
A:Yes,you are right.
答案
A:(Shall )we go to the park?
B:Ok,but( how
A:(By ) bus .
B:Ok,( Let's )go.What is ( it ) over there?
A:It is a sign.
B:What ( does ) it mean?
A:It (means )"Keep (out ) the grass."
B:Oh,I (see ) .We ( can't )walk (on ) the grass.
A:Yes,you are right.
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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