以下1956-1974年与中国建交国家数据表显示，我国在20世纪70年代出现了建交高峰。下列各项中，对这一现象的出现产生直接推动作用的主要是（　　）

某校八年级以“我最喜爱的体育运动”为主题对该校八年级每位学生进行了调查，调查的运动项目有：篮球、羽毛球、乒乓球、跳绳及其它项目（每位同学仅选一项），经调查每位同学都做了选择，根据调查结果绘制如下统计图表：

某校八年级学生“我最喜爱的体育运动调查情况统计表”

请根据以上图表信息解答下列问题：

（1）求该校八年级学生的人数．

（2）求统计表中m、n的值．

（3）求扇形统计图中“乒乓球”所在的扇形的圆心角度数．

    Many Chinese students find it hard to learn English, but not Chinse, because Chinese is their mother tongue.1，Chinese is much more diffcult to learn than English.

    Still some students in other countries can speak Chinese very2  If you don't see them, you may think they are Chinese.What3them learn Chinese so well?

    “For me,conversation is really helpful,I try to speak in4.If you only listen to what others speak,you will be good at5But if you talk as much as you6,you will find you can speak good Chinese. ”says Jenny Brown,a girl from Canda Now she is7Chinese at Peing University.She is interested in China and8history.She thinks that to learn a language, one must try to know9about the country.

    Chinese is10from English, but we can use the same way in leamning it."

单词拼写(单句首字母填空)。