03 警惕杀虫剂的危害 DATE=2-20-01 TITLE=AGRICULTURE REPORT - (1)Pesticide Warning BYLINE=George Grow (Start at 1'00

发表于:2018-12-07 / 阅读(41) / 评论(0) 分类 科技之光

Pre-Listening Vocabulary caffeine: a drug found in some plants, including coffee seeds and tea leaves pesticide: a substance that keeps insects or harmful materials away from a plant alert: awake and paying attention ward off: to keep away something

发表于:2018-12-28 / 阅读(37) / 评论(0) 分类 趣谈英语

EU Hopes Pesticide Ban Will Halt Bee Decline The targeted farm chemicals, which will be banned for two years starting this December 1, belong to a class of insecticides called neonicotinoids. They are a type of insect nerve agent that has been widely

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2013年(五月)

December 3rd, 1967Surgeons in Cape Town, South Africa, led by Dr. Christiaan Barnard, perform the first human heart transplant, the patient Louis Washkansky lives 18 days with his new heart. 1984A horrific industrial accident kills thousands of peopl

发表于:2019-02-14 / 阅读(26) / 评论(0) 分类 历史上的今天-2010年

December 3rd, 1967, surgeons in Cape Town, South Africa, led by Dr. Christiaan Barnard, perform the first human heart transplant. The patient Louis Washkansky lives 18 days with his new heart. 1984, a horrific industrial accident kills thousands of p

发表于:2019-02-14 / 阅读(27) / 评论(0) 分类 历史上的今天-2013年

December 3rd, 1967, surgeons in Cape Town, South Africa, led by Dr. Christiaan Barnard, perform the first human heart transplant. The patient Louis Washkansky lives 18 days with his new heart. 1984, a horrific industrial accident kills thousands of p

发表于:2019-02-14 / 阅读(38) / 评论(0) 分类 历史上的今天-2014年