题目

单词拼写 1. Deng Ziqi has a sweet v       , and many of us like listening to her songs. 2. His legs were so weak that he could h___________ stand. 3. December is the t__________ month of the year. 4. The more careful you are, the __________(少) mistakes you will make in your test. 5. The difficult problem has been __________(解决 )by ourselves. 答案：1.voice   2.hardly   3.twelfth   4.fewer   5.solved  某一个同学家开了一个小卖部，他为了研究气温对热饮销售的影响，经过统计，得到一个卖出的热饮杯数与当天气温的对比表：摄氏温度/℃-54712151923273136热饮杯数15615013212813011610489937654某同学利用智能手机上的Mathstudio软件研究，直接得到了散点图及回归方程（如图所示），请根据结果预测，若某天的气温是3℃，大约能卖出的热饮杯数为（ ）（单词提示：Linear 线性）A．143B．141C．138D．134