单项选择题
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
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
In bungee jumping, you （）A．jump as high as you canB．sli...
单项选择题In bungee jumping, you （）
A．jump as high as you can B．slide down a rope to the ground C．attach yourself to a rope and fall to the ground D．fall towards the ground without a rope
