单词:chemical harmful substance monitoring
单词:chemical harmful substance monitoring 相关文章
Scientists Create Method to Test Food and Drugs for Purity Millions of people in developing countries have to be on guard against contaminated food and medicine. Some products could be harmful -- even deadly. In Nigeria, brake fluid was found in a pr
本讲为 2006 年下半年新的教学内容,请对照教材、练习册和语法书听录音! 1. Data from previous animal experiments is used to develop a computer model which will predict what
Cambridge 8 TEST 4 1. middle-year education=lower secondary school 中学2. format=pattern n.格式 3. less successful student=struggler 差等生4. key=contributing factor=important=major=significant=critical n.关键5. achievement=attainment=progre
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Scientists Explore How Cannabis May Fight Psychosis British scientists have found how a substance in the cannabis plant acts in the brain to reduce abnormal activity in patients at risk of psychosis. Their findings suggest that the substance could be
21 只有部分椰菜可以预防癌症 DATE=3-15-01 TITLE=SCIENCE REPORT - New Broccoli Study BYLINE=George Grow (Start at 58