题目

在建筑工地上有时需要将一些建筑材料由高处送到低处,为此工人们设计了一种如图所示的简易滑轨:两根圆柱形木杆AB和CD相互平行,斜靠在竖直墙壁上,把一摞弧形瓦放在两木杆构成的滑轨上,瓦将沿滑轨滑到低处.在实验操作中发现瓦滑到底端时速度较大,有时会摔碎,为了防止瓦被损坏,下列措施中可行的是  （     ） A.增多每次运送瓦的块数           B.减少每次运送瓦的块数 C.增大两杆之间的距离       D.减小两杆之间的距离People all over the world celebrate the new year. However, not all countries celebrate in the same way, and in some countries, the new year doesn’t begin on the   1   date very year.In many countries, the new year begins on 1st January, but people start celebrating on 31st December, New Year’s Eve. In New York many people go to celebrate in Times Square.  2    they’re waiting for the New Year, they listen to music, sing traditional songs and have fun. Just before 12 o’clock, everyone   3  down from 10: 10, 9, 8… As soon as it’s 12 o’clock, everyone shouts very  4 , “Happy New Year!”New Year’s Day is often a family day. Some families get together for a special meal. When the weather is fine, many families go out for a   5 .On New Year’s Day, many people make resolutions for the new year. They   6  a list of things, such as “I will help out more with housework. I will work   7  at school than others.” or “I won’t spend so much time playing video games.” When they have made   8  list, they read it to their family or friends and promise to   9  their resolutions.So it doesn’t matter how they celebrate,   10  people in countries all over the world, it’s a time to say goodbye to the old year, and to welcome the new.【小题1】A．familiarB．sameC．importantD．normal【小题2】A．IfB．Even thoughC．WhileD．Before【小题3】A．comesB．turnC．looksD．counts【小题4】A．loudlyB．quietlyC．sadlyD．safely【小题5】A．walkB．secretC．jobD．treatment【小题6】A．put onB．write downC．take awayD．look after【小题7】A．quicklyB．hardC．harderD．hardly【小题8】A．itsB．hisC．herD．their【小题9】A．followB．makeC．doD．give【小题10】A．byB．forC．withD．from