单词:absolute lethal dose
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Unit 12 What's the best radio station? [00:05.38]SECTION A [00:08.33]1b Listen and match the statements with the movie theaters. [00:15.18]Write in the names of the theaters. [01:03.61]2a Listen to a reporter interview a boy. [01:09.46]How does the b
Studies Link Bee Decline to Insecticide Billion-dollar bees Bees pollinate the flowers that become fruits, nuts and vegetables. The work these insects do is worth about $18 billion a year to U.S. farmers. But honeybee colonies in the United States ha
Student: I don't think I deserve an absolute zero. Professor: Neither do I, but it is the lowest mark that I am allowed to give. 学生:我认为我不应该得零分。 教授:我也这么认为,但这是允许我打的最低分数。
Good morning, I'm Melissa Long here at the CNN center in Atlanta on this Wednesday morning, the eleventh of November Veteran's Day. Here's a look at some of the stories happening NOW IN THE NEWS. The suspect in the Fort Hood shootings, army Major Nid
Chinese health authorities have given approval to a domestic company to mass produce a vaccine for the H1N1 strain of flu. Unlike other vaccines, this one does not require multiple doses. Chinese worker displays vials containing H1N1 flu vaccine by