题目

某校高三一班有学生54人，二班有学生42人，现在要用分层抽样的方法从这两个班随 机选出16人参加军训表演，则一班和二班分别选出的人数是          （A）8人，8人                                               （B）15人，1人                   （C）9人，7人   （D）12人，4人Mary is an American schoolgirl. She is now in Beijing with her parents. Mary doesn’t know Chinese, but she is studying Chinese. She often speaks Chinese to her Chinese friends ,Sometimes they don’t understand her because she can’t speak Chinese well.It’s Sunday morning .She goes out . She is walking in the street, She is going to the zoo to see elephants and monkeys, but she doesn’t know how to get there .She asks a Chinese boy. The boy can’t understand her. Then she takes out a pen and a piece of paper. She draws an elephant on it, and shows the picture to the boy. The boy understands now, then he shows Mary the way to the zoo.【小题1】Mary  is _______ schoolgirl.    A. a Chinese        B. an American        C. a Japanese【小题2】Mary is in _________ with her parents. A.  Shanghai      B.  Beijing        C.  New York【小题3】Mary ____________ speak Chinese well. A. can            B. can’t          C. mustn’t 【小题4】It’s Sunday, she is going to _________.A.  see her friends     B.  see some animals in the zoo   C. walk in the park【小题5】Mary doesn’t know how to _________.A. get to the zoo      B. get to the park    C. get to her home