Walking is the best and easy-to-do exercise.It helps the circulation of blood 64 the body,and has
问题描述：
Walking is the best and easy-to-do exercise.It helps the circulation of blood 64 the body,and has
Walking is the best and easy-to-do exercise.It helps the circulation of blood 64 the body,and has a direct 65 on your overall feeling of health.Experience says that 20 minutes'?66 67 is minimum amount.
64.A.over B.around C.throughout D.with
65.A.effect B.use C.usage D.affect
66.A.education B.sleep C.exercise D.rest
67.A.one day B.a day C.everyday D.someday
答
64选a遍布全身的血液是用over
65选a固定搭配have a effect on sth
66选c根据意思
67选b20 minutes'exercise a day表示每天20分钟的锻炼 ,ac为某一天,everyday表示日常的,意思不对,并且不能做后置定语