This is the Radio Doctor with another word of advice on how to keep yourself healthy and how to keep away from doctors．As everyone knows，prevention is the best cure （治疗）．If you haven't cold，stay away from the people who have．Keep your rooms aired．Keep yourself warm．And don't get yourself too tired or too excited by pleasure．Remember that an hour's sleep before midnight is worth two hour's sleep after midnight．Don't get yourself too sad or too excited．A healthy mind is a healthy body．If you have caught a cold，go to see your doctor and don't be afraid to take the medicine your doctor gives to you．Remember not to sneeze over anybody else．Those little viruses enjoy nothing better than taking a free ride through the air into anybody else．In this way he will get a cold．(1) The Radio Doctor's advice today is to tell people () ．A. how to stay away from doctorsB. wha to do to keep themselves healthyC. .how to have a nice sleepD. how to prevent themselves from catching a cold(2) In order not to catch a cold，you should () ．A. stay away from the people who have a coldB. keep your room airedC. not to get too tired or too excitedD. all the above answers together(3) The Radio Doctor also advises people to () ．A. go to bed earlyB. sleep less before midnightC. sleep less after midnightD. get up early in the morning(4) A healthy person usually has () ．A. a clever mindB. healthy mindC. quick mindD. pleasant mind(5) () if you have caught a cold．A. Don't meet anybodyB. Don't talk to anybody you meetC. Stay at home aloneD. Don't sneeze over anybody else．