珊瑚洲

新概念英语第四册Lesson 7 Bats

Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音，然后回答以下问题。 In what way does echo-location in bats play an utilitarian role? Not all sounds made by animals serve as language, and we have only to tu

发表于:2018-11-27 / 阅读(746) / 评论(0)

新概念英语第四册

Study Finds Huge Drop in Caribbean Coral

By Caty Weaver Broadcast: August 8, 2003 This is Bill White with the VOA Special English Environment Report. A new study shows an eighty percent decrease of hard coral in the Caribbean Sea over the pa

发表于:2018-12-01 / 阅读(89) / 评论(0)

VOA2003（下）-环境与健康

Atlas Shows Coral Reefs Shrinking Fast

By Rosanne Skirble Coral reefs are home to the greatest diversity of plant and animal life found in any habitat, anywhere on the earth. But, while they are found in 101 countries and territories, the

发表于:2019-01-03 / 阅读(58) / 评论(0)

VOA2004（下）--健康科技

经济学人149:跟领导走

Science and technology 科学技术 Collective behavior 集体行为 Follow my leader 跟领导走 A group's intelligence depends in part on its members'ignorance 群体智慧部分依赖于群体成员的愚昧 HUMAN beings like to think of themselv

发表于:2019-01-26 / 阅读(40) / 评论(0)

经济学人科技系列

经济学人109:集体的"智商"部分取决于成员的无知

Science and Technology Collective behaviour 科技集体行为 A group's intelligence depends in part on its members' ignorance 集体的智商部分取决于成员的无知 HUMAN beings like to think of themselves as the animal kingdom's smartest a

发表于:2019-01-26 / 阅读(43) / 评论(0)

经济学人科技系列

经济学人111:集体行为跟领导走

Technology Collective behavior Follow my leader 科技集体行为跟领导走 A group's intelligence depends in part on its members'ignorance 群体智慧部分依赖于群体成员的愚昧 HUMAN beings like to think of themselves asthe animal ki

发表于:2019-01-26 / 阅读(33) / 评论(0)

经济学人科技系列

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学英语单词

acculturative

Alcmeonids

allolactose

automatic sprinker system

BOS (basic operating system)

caput transversum (m. adductoris pollicis)

claim adjuster