Look at the pictures.Our city is quite different now.There were ____bridges but there were____ferri
题目
Look at the pictures.Our city is quite different now.There were ____bridges but there were____ferri
Look at the pictures.Our city is quite different now.There were ____bridges but there were____ferries 50 years ago.there were___tall____and there weren't____highways.
Now,there's a b____,there h____,____subway ang there____of tall buildings.
答案
look at the pictures.our city is quite different now.there were no bridges but there were some ferries 50 years ago.there were no tall buildings and there weren't any highways.now,there's a bridge,three harbours,a subway and there are lots of tall buildings.
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.
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