根据短文内容,从短文后的选项中选出能填入空白出的最佳选项.选项中有两项为多余选项.
Is there anything more important than health? I don’t think so．“Health is the greatest wealth,” wise people say. __小题1:___
If you have a headache, toothache, backache, or bad pain in the stomach, if you complain of a bad cough, or if you suffer from high or low blood pressure, I think you go to the doctor．
The doctor will examine your throat, test your blood pressure, take your temperature, sound your heart and lungs, check your teeth or have your chest X-rayed. __小题2:___The only thing you have to do is to follow his advice．
__小题3:___
An old gentleman came to see the doctor．The man was very ill．He told the doctor about his weakness, memory loss and serious problems with his heart and lungs．The doctor examined him and said there was no medicine for his disease．He told his patient to go to a quiet place for a month and have a good rest．__小题4:__In other words, the doctor advised him to follow the rule: “Eat at pleasure, drink with measure and enjoy life as it is．” The doctor also said that if the man wanted to be well again, he shouldn’t smoke more than one cigarette a day．
A month later the gentleman came into the doctor’s office．__小题5:__He thanked the doctor and said that he had never felt a healthier man．
“But you know, doctor,” he said, “it’s not easy to begin smoking at my age”
A．He also advised him to eat a lot of meat, drink two glasses of red wine every day and take long walks．
B．You can’t be good at your studies or work well when you are ill．
C．After that he will advise some treatment or some medicine．
D．All these will cost a lot of money． E．He looked cheerful and happy．
F．He was more worried about his illness．
G．Speaking about doctor’s advice, I can’t help telling you a funny story．
⑶ 3s 23m
="6.0" m/s2，a2=
="3.0" m，此时间内皮带上痕迹的长度：△s=s带-s物="3.0" m＜l="8.0" m．
a2t12，联立以上两式得：t1=2s s=20m