单词：pesticide residue number
单词：pesticide residue number 相关文章
写作，作为语言类考试中较为主观类型的考察形式，特别提到的是第二部分任务，考生应当确切地陈述观点，并能清晰地论证展开。题目要求学生能运用reasons and examples来支撑观点，而评分标准
托福英语
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
Scientific American(九)月
African Countries Debate Using DDT in Anti-Malaria Efforts The chemical pesticide DDT has been banned by most countries for use in agriculture, but some continue to use it indoors to kill insects that carry malaria. In Zambia, it's an important part
VOA标准英语2011年(七月)
Pesticides Threaten Thailands Reputation as Food Exporter Here, in the hills of Northern Thailand, farm workers like Inson face the constant pressure of producing optimum harvests for overseas clients. Many farms rely on imported chemical pesticides
VOA标准英语2012年(十月)
泰国农产品安全令人担忧 Thailand has long been recognized as a leading exporter of rice and other agricultural produce. But tests for pesticide residues are raising concerns about whether the food is safe. 长期以来，泰国是众所周知
VOA双语新闻 2012年10月
Overuse of food additives and microbial contamination were the primary food safety problems facing China last year, according to the top food authority. 国家食品药品监督管理总局表示，去年我国面临的首要食品安全问题是超量
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