根据情景,补全对话,
题目
根据情景,补全对话,
Can I _____ you?
Thank you.I'd____a watermelon.
______ _____ this big one?
It's very nice.How much is it?
Seven yuan.Anything_________?
I _______ some strawberries ,too.
______ _____ do you want?
Tow kilos.
Ok.Here you are.
______ _____ are they?
Six yuan.
Here's the money.Thanks______ _____.
You're welcome.
答案
1.help 2 like 3what about 4 else 5 want 6 how many 7 How much 8very much
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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