下列对一株番茄植株的叙述，正确的是（　　）

某校以“我最喜爱的体育运动”为主题对全校学生进行随机抽样调查，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）．根据调查结果绘制了如下不完整的频数分布表和扇形统计图：

请根据以上图表信息解答下列问题：

（1）频数分布表中的m=____ ，n=____ ；

（2）在扇形统计图中，“乒乓球”所在的扇形的圆心角的度数为____ ；

（3）从选择“篮球”选项的30名学生中，随机抽取3名学生作为代表进行投篮测试，则其中某位学生被选中的概率是____ 

如图为光合作用过程的示意图．在适宜条件下栽培的小麦，如果突然将 c 降低至极低水平（其他条件不变），则 a、b 在叶绿体中的含量变化将会是（　　）

阅读短文，然后从方框中选出可以填入文中空白处的单词

could   born  got  look   invited   stood  began  ran  coming  fourteenth

Linda was  ____in Paris on December 24, 1988. It was her ____ birthday yesterday. She____ her friends to her party a few days ago. Her parents were busy yesterday. But they____ready for the party. The bought some fish, chicken, beef, vegetables, drinks and fruit .Everything was ready. They put all the food and drink on the table. And there was a nice birthday cake on the table, too. It was ten to eight and the party____.

The girl____ by the window and____out. She saw her friends ____. She ____to meet them at the door. His parents____hear the children say “Happy birthday to you!”outside.