根据情景,完成对话
题目
根据情景,完成对话
A:Excuse me,Mr Green ,I can't the twins.
B:Oh ,we must find ( ).What () they wearing?
A:Well,Lucy () wearing blue trousers and a blouse.
B:() sweater?
A:No,she () wearing a sweater.She's wearing a white blouse.
B:What () Lily?Is she wearing () same clothes?
A:No,she is wearing green trousers () a yellow sweater.
B:Right!Let's () and find them.
答案
A:Excuse me,Mr Green ,I can't the twins.
B:Oh ,we must find (them ).What (are) they wearing?
A:Well,Lucy (is) wearing blue trousers and a blouse.
B:(wearing) sweater?
A:No,she (isn't) wearing a sweater.She's wearing a white blouse.
B:What (about) Lily?Is she wearing (the) same clothes?
A:No,she is wearing green trousers (and) a yellow sweater.
B:Right!Let's (go) and find them.
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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