Unit 1 How often do you do exerciseTeaching aims of this unit:Language goals :1.Vocabulary: always usually often sometimes hardly ever never ,once a day ,twice a week ,three times a month, my eating habits ,healthy /unhealthy lifestyle , keep in good health, junk food ,eat less meat, the same as, be different from ,the difference betweenand, of course, look after, be good /bad for, sleep nine hours every night all /most /some /no students ,maybe, although exercise =do/play sports 2.Ask