题目

平面直角坐标系中，点P（﹣3，4）到原点的距离是    ． 答案：解：作PA⊥x轴于A，则PA＝4，OA＝3． 则根据勾股定理，得OP＝5． 阅读以下人员的相关信息，从所给的六个选项(A、B、C、D、E、F)中选出符合他/她感兴趣的广告。其中有一选项是多余的。 1．Lucy is interested in playing the violin, but she can’t play very well because she has no music teacher to teach her face to face．She really wants to get one． 2．Peter begins to have his summer holiday today．He is too tired to go out for any activity．Instead, he would like to stay home in the evening． 3．Tom’s family is not rich．He wants to find a part-time job at weekends to earn some money for his study． 4．Jenny is too fat．She knows it’s not good for health and wants to take exercise after study． 5．Mary’s going to marry next month．Before that, she is going to take photos with her husband． A．Guangzhou Sports Ground Open next week from 6∶20 to 8∶30 pm． Admission：＄2, under 45 or over 60－＄7． Welcome to join us to keep you fit． Tel：23455884 B．CCTV-1 The programs are as follow：18∶30 Sports, 19∶00 World News, 19∶30 Introduction of Museum of Modern Art, 21∶30 Movie－DANCE IN THE RAIN C．Dongfeng Photo Shop Photos for all purposes are taken with half of the price for new husband and wife． Mon－Frid．：8∶30 am－8∶30 pm, Sat．& Sun．：9∶00 am－10：00 pm D．STAMPS ON SHOW Time：8∶30am－5∶00 pm．on October 23－24 Add：No．1 Yuejin Road, Guangzhou E．PART-TIME JOB OFFERED Do you want to have a chance to communicate with those who do shopping? If so, you may contact with Sunny Bookshop, for two shop assistants are needed here． Tel：020-23100013 F．HELP FROM MUSIC TEACHER Violin lessons to be given at 8∶00 on Monday evening．Those attending prepare violins by themselves． Admission：100 yuan(half price for students) Tel：020-28338381