题型:问答题 简答题 In __________ review off 44 studies, American researchers found that men and women who ate six key foods daily cut the risk of __________ heart disease by 76%. _______A.a; theB.the; aC.a; 不填D.不填; a 查看答案
题型:问答题 简答题 用姜片虫病粪便虫卵计数衡量感染轻重正确的是()A.>10000个为重度感染B.2000~10000个/g为中度感染C.2000~5000个/g为中度感染D.<1000个/g为轻度感染E.<2000个/g为轻度感染 查看答案