试题详情

One day last summer a boy of 10 took an ole type from ___11___ garage and went down to the beach to bathe, although he couldn’t swim and his mother had ___12___ go near the water. But he felt hot so he took no notice of her warning. Before long the wind blew him out of sea. His sister saw him but by this time he was ___13___ far out for anyone to reach him. Then someone had the ___14___ up the coastguards. In a few minutes a helicopter was ___15___ flying over the boy and he was soon pulled to safety. Cases like this happen every day ___16___ summer and sometimes people are not so lucky. What surprises coastguards is that people ___17___ on special clothes and take all kinds of precautions when they go climbing often go out in small boats without ___18___ safety equipment or means of signaling for help. They don’t realize, either, that it is as easy to die of exposure at sea as ___19___ on top of a mountain, so that unless the coastguards see they are ___20___, it will be too late to save them.