单项选择题
A．positive B．negative C．neutral D．nervous
33（）A．necessaryB．wonderfulC．importantD．harmful
单项选择题33（）
A．necessary B．wonderful C．important D．harmful
A suitable title for the articles is （）A．Dangerous Spor...
单项选择题A suitable title for the articles is （）
A．Dangerous Sports--What and Why B．The Boredom of Modem Life C．Bungee Jumping--Is It Really Dangerous D．The Need for Excitement
People probably take part in dangerous sports nowadays ...
单项选择题People probably take part in dangerous sports nowadays because（）
A．they have a lot of free time B．they can go to hospital if they are injured C．their lives lack excitement D．they no longer need to hunt for food
