[网络] 昆虫病原体

MODULE 2 PEOPLE\n [au:]模块2 人们\n [00:04.52]UNIT 4 Friends\n [au:]第四单元 朋友们\n [00:09.00]Dialogue\n [au:]对话\n [00:11.48]1 Look and listen. Then read and act in groups.\n [au:]1 看一看,听一听,读一读然后分组表演。

发表于:2018-12-13 / 阅读(167) / 评论(0) 分类 广州版金太阳小学英语四年级上

MODULE 6 DAYS OF THE WEEK\n [au:]模块6 一周中的七天\n [00:05.10]UNIT 16 Games We Play\n [au:]第十六单元 我们玩的游戏\n [00:10.61]Dialogue\n [au:]对话\n [00:12.72]1 Look and listen. Then read and act in groups.\n [au:]1 看一看,

发表于:2018-12-13 / 阅读(158) / 评论(0) 分类 广州版金太阳小学英语四年级上

Pathogens with added genes from Arctic bacteria could serve as vaccines that elicit an immune response before getting cooked in our warm bodies. Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated

发表于:2019-01-02 / 阅读(41) / 评论(0) 分类 60秒科学

DAVID GREENE, HOST: For the first time, scientists have figured out just how many tiny critters are living inside your kitchen sponge. Now, don't fear. NPR's Michaeleen Doucleff says there is something you can do about this. MICHAELEEN DOUCLEFF, BYLI

发表于:2019-01-16 / 阅读(55) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Warmer Temps Trigger More Disease升温引发更多疾病 Climate change is often associated with extreme weather events, melting glaciers and rising sea levels. But it could also have a major impact on human, animal and plant health by making it eas

发表于:2019-02-01 / 阅读(22) / 评论(0) 分类 VOA常速英语2013年(八月)

She flies much faster Shouts much louder Looks much fresher And eats much less than you There's nothing you can do It's just hard to hang out with Tomoko Tomoko She doesn't gossip Her hair still shines Still has hope Is never broke Like you There's n

发表于:2019-02-19 / 阅读(59) / 评论(0) 分类 美国乡村音乐