根据所给情景编对话(不少于四个来回,必须用到just now和a moment ago)
题目
根据所给情景编对话(不少于四个来回,必须用到just now和a moment ago)
David's grandpa is looking for his glasses.His grandma is looking for her cat.David is helping them.
我马上要交了!
答案
Pa:I can't find my glasses.I saw them on the table just now.Can you help me,please?
D: Sure.
Pa: Are they on my bed?
D: No, they aren't.
Pa:Are they in the drawer ?
D:No they aren't. Oh,I found them.
Pa: Where are they?
D: They are on your nose
P: Thank you,David
D: You are welcome
Ma:I can't find my cat. I think I saw it a moment ago.
D: Let me help you,Grandma.
M: Is it on the wall?
D: No. it isn't.
M:Is it under the table?
D: No, it isn't. Oh, look! It's under your chair! Come here,little kitty. Here you are, Grandma.
M: Thanks, David.
D: My pleasure.
打得比较匆忙,检查一下有没有错误吧.我也检查一下.
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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