A.Xu Haifeng；shooting　　B.Xu Haifeng；table tennis
S：Xu Haifeng was China’s first gold medal winner for shooting.
T：That’s very good.You gave us an excellent reply.
T：7.How many competitors from how many country take part in the 27th Summer Olympics in Sydney？
A.Over 10000 athletes；119 countries
B.Over 10000 athletes；184 countries
S：…
2.生生互动 所谓生生互动是指学生间为了达到一定的目标而相互作用、相互影响。生生互动包括学生间的相互讨论、相互评价、相互反馈等各方面。
例5 如高一Module 2 Unit 2一课某位教师是这样组织生生互动的：