单词：clr(cell loss rate)
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Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,
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By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As
2007年VOA标准英语（九月）
Test 2Section COne afternoon recently, two (36) ______ friends called to tell me that, well, their marriages hadn't made it. One was leaving his wife for another woman. The other was leaving her husband because we thought it best. As always after suc
英语四级听力-短对话
HEALTH REPORT - Lung Cancer: Tobacco Is Usually the Cause, but Not Always By Cynthia Kirk Broadcast: Wednesday, August 17, 2005 I'm Shep O'Neal with the VOA Special English Health Report. Last week, a
健康与经济
Pre-Listening Vocabulary habitat: the place where living things live extinction: the state of no longer existing threatened: facing a possible risk of extinction 24/7: all day and night; at all times human intervention: the involvement of humans Habi
Facts-事实
payoff period 回收期；回本期 payroll 薪酬表；薪酬总额 payroll per capita 按受雇人数平均计算的薪金额 payroll system 薪俸记录系统 pecuniary benefit 金钱利益 pecunia
财会英语