单项选择题
Nevertheless, motorists themselves can try to prevent problems from arising by （）
A．driving short distances in hot weather B．having their car insured for ￡ 20 C．driving slowly at all times D．making sure their car is in good working order
单项选择题 25（）
单项选择题 22（）
单项选择题 The author says he is not strong-minded enough to ignore the telephone because （）
