unit 3  healthy lifei. phrases                         1. due to 由于；归功于 2. be/become addicted to 对……有瘾 3. decide on 对……做出决定 4. be/become/grow accustomed to sth./doing sth.  习惯于某事/做某事 5. feel like (doing)   想要（做） 6. in spite of 不管；不顾 7. stand for 支持；代表 8. get (sb.) into (sth.) 陷入；染上坏习惯；进入get into the way/habit of doing sth. 学成做某事的方法/养成做某事的习惯 9. be ashamed of/that.… 为……感到惭愧/羞愧be ashamed to do sth. 羞于做某事 10.take off   开除/脱衣/起飞/取消/休假 11.quit (doing) sth. 停止做某事 12.at risk 处在危险之中take risks(a risk)  冒险 13.manage to do sth. 设法做好/设法办到某事 14.so far 到目前为止（与现在完成时连用） 15.make sure 确定；查明；弄明白 16.prevent sb. (from) doing sth. 阻止某人做某事 17.every time 每次；每当……时 ii. sentences1. it’s amazing that at my age i am still fit enough to cycle 20 kilometers in an afternoon.感到惊奇吧，向我这样的年纪，身体健康，能在一个下午骑车跑20公里。2. i think my long and active life must be due to the healthy life i live.我想我之所以长寿而且精力充沛，要归功于我的健康生活。3. as you know, if you do the same thing over and over again you begin to do it automatically. 正如你所知道的，如果你反复的做同一件事情，你就会开始机械的地做它。4. i didn’t know it could do terrible damage to your heart and lungs or that it was more difficult for smoking couples to become pregnant.我不知道抽烟会严重损害人的心脏和肺，也不知道吸烟的夫妇的生育能力会下降。5. i also noticed that i couldn’t run as fast any more and i wasn’t enjoying sport as much..我同时也意识到我不能再和以前跑得一样快乐，而且我也不那么喜欢运动。6. i do hope so because i want you to live as long and healthy a life as i live.我的确希望这样，以为我想让你过上和我一样长寿而又健康的生活。7. you can have hiv in your blood for a long time, but eventually it damages your immune system so much that your body can no longer fight disease.在你的血液里，hiv病毒可以长期存在，但是它最终会使你的免疫系统严重受 损，以至使你的身体不再能抵抗疾病。8. it is only when the disease has progressed to aids that a person begins to look sick.只有当这种病毒发长成艾滋病时，人才会显出病态。 

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