题目

以长为8，宽为6的矩形各边中点为顶点的四边形的周长为_________. 答案：20；28、  Mary is an American schoolgirl，She is now in Beijing with her parents．Mary doesn’t know Chinese．But she is trying to learn and speak it．She often tries to speak Chinese to her Chinese friends．Sometimes they don’t understand because she can’t speak Chinese very well．It’s Sunday morning．She goes out．She is walking in the street．She is going to the zoo to see the elephants and monkeys，but she doesn’t know how to get there．She stops a Chinese schoolboy and ask him the way．The boy can’t understand her．She looks worried．Then she finds a way to express what she wants to say．She takes out a pen and some paper．She draws an elephant on it and show the picture to the boy．The boy has a careful look at the picture，reads it and smiles and then he shows Mary to the zoo．   根据短文内容，选择正确的答案。 1．This article mainly tells us a story of___________． A．the picture to the boy          B．the way to the zoo C．how to learn Chinese in China   D．an American girl Mary in Beijing 2．The underlined words“understand her”in the text means ___________ in Chinese． A．理解她当时的心情  B．认识她    C．明白她说的话    D．帮助她 3．The underlined word“express”in the text can be replaced by“___________” A．guess    B．keep    C．write    D．show 4．Why does Mary stop a schoolboy in the street? ___________．       A．Because she wants the boy to see her picture       B．Because she wants to have a talk with a Chinese boy       C．Because she schoolboy is on his way to zoo       D．Because she wants to know the way to the zoo from him 5．She draws an elephant and shows it to boy，because___________．       A．she is good at drawing       B．she wants the boy to know where she wants to go       C．she doesn’t know how to say“elephant”in Chinese       D．she wants to help the boy say“elephant”in English