完型填空 另外答案上说One day,the doorbell rings and she opened_____the door.opened为什么不用单三
题目
完型填空 另外答案上说One day,the doorbell rings and she opened_____the door.opened为什么不用单三
Mrs Green loves flowers very much and she has a small but beautiful garden.In summer the flowers are very n_______.One day,the doorbell rings and she o______the door.She sees a l________boy outside.He is about seven years old and has a lot of f_____in his hands."I'm selling flowers,"he says,"do you w______any?They're very cheap.I pick t_____this morning.""M______boy,"Mrs Green answers."I have a lot of flowers in my garden.S______I needn't pay for them.""Oh,no,you don't have any flowers in your g________now,"says the boy,"they are all here in my h_______."
答案
Mrs Green loves flowers very much and she has a small but beautiful garden.In summer the flowers are very nice.One day,the doorbell rings and she opens the door.She sees a little boy outside.He is abo...
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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