江苏省铜山县2014
高考英语提升训练（9）及答案阅读理解 about a third of all common cancers in the united states, china and britain could be prevented each year if people ate healthier food, drank less alcohol and exercised more, health experts said on friday. reports from the world cancer research fund (wcrf) suggest that making simple lifestyle changes could prevent some 40 per
