单项选择题
The first paragraph points out that （） .
A．it is possible to get an exact figure of the world’s disabled people B．there are many disabled people in the world C．the number of disabled people in India is the greatest D．India has not much more disabled people than Canada
单项选择题 21（）
单项选择题 According to the author, small talk is often used（）
填空题 A．examine B．extra C．excuse D．exhibition
