2013年5月托福考试:托福阅读真题之输血
【Introduction】 输送血液可以称为生命的礼物。然而,从每年5百万输血病人的大部分情况来看,实际上,输血弊大于利。 【Section One】Article Why Banked Blood Goes Bad It‘s a problem that doctors have been wrestling with for several years, as study after study shows a disturbing spike in heart disease and death in patients receiving transfusions. The trend affects almost every group of critically ill patients — from trauma sufferers in the ER to heart attack victims, patients with anemia and those undergoing chemotherapy. This increase in death and heart disease, doctors say, is unrelat... [ 查看全文 ]2013年5月托福考试:托福阅读真题之输血的相关文章