M7U2 Fit for life
编制：赵 琳 夏以一 张莲芳 审核：张 珍 (2013-3-14)
Welcome & Reading
1. perform operations in an operating theatre 在手术室做手术
2. focus on two drugs 重点讲两种药
3. open up any medicine cupboard打开任何药柜 open up new opportunities and possibilities开辟新机会和可能性
4. prove (to be) beneficial to mankind证实对人类有益；be beneficial to sb/sth= be of benefit to sb/sth 有益于…；benefit the public使公众受益/ benefit from sth 从…中受益；get benefit from sth 从中得到好处 unemployment/medical benefit(s) 失业/医疗补助 the benefits of sth …的好处；for sb’s benefit /for the benefit of…为某人好; 为了帮助…
5. in nature 在自然界 by nature天生, 就其本性而言human nature 人性 against nature 违反自然的
6. chew on leaves咀嚼树叶
7. (sb.)possess a special chemical拥有一种特殊的化学物；take possession of… /sb. be in possession of sth.某人拥有某物；sth.be in the possession of sb. 为某人所有
