81．Young people usually have more _________(精力)than the old .

80．I think the Chinese d______ is considered to be the healthest in the world .

79．The apple is not r_____ enough ．You’d better not to eat it .

78．Some of the food we have today is u_______ .

77．I often go to fast-food restaurant to have a h______ .

76．Many W____ die at an early age because of heart illness .

　Woman : ____71____

　Doctor : You shouldn’t worry about it , but he has to have complete bed rest .

　Woman :Hmm… What does that mean , exactly ?

　Doctor : ____72____ ．He really has to lie down all the time .

　Woman : When can he go home ?

　Doctor : ____73____

　Woman : That seems a long time .

　Doctor : ____74____ ．He has to stay in bed for ten or twelve days ．After that , he can only get up twice a day for ten minutes ．Finally , he will start to do some easy exercises ．When he can walk around for an hour , he may go home .

　Woman : I see ．____75____

　A．Well , it’s a slow process .

　B．After a few days .

　C．In two or three weeks .

　D．How serious is his back problem ?

　E．What are you ?

　F．Well , he shouldn’t walk at all or sit up , not even to eat .

　G．Thank you very much for telling me about his condition .