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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(915) / 评论(0) 分类 新概念英语第四册

apparatus 仪器 appreciation 理解 bat 蝙蝠 curiosity 好奇 elapse 消逝 herring 鲱鱼 hull 船体 interval 间隔 obstacle 障碍 obstruction 障碍物 receipt 收到 shoal 鱼群 similar 相似的 squeak 尖叫声 steer clear of 避开 stric

发表于:2018-12-02 / 阅读(177) / 评论(0) 分类 新概念英语第四册单词MP3

Lesson 9 Curiosities of Animal Life 动物生活趣闻 Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian r

发表于:2018-12-24 / 阅读(198) / 评论(0) 分类 新概念英语85年上外美音版

By Noel King Akobo, Southern Sudan 22 August 2006 Disarming small militias is an ongoing problem in southern Sudan. Following a proliferation of arms during Sudan's 21-year civil war, rival villages in the region armed themselves, leading to violent

发表于:2019-01-13 / 阅读(330) / 评论(0) 分类 2006年VOA标准英语(八月)

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(182) / 评论(0) 分类 经济学人科技系列

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(145) / 评论(0) 分类 经济学人科技系列

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(160) / 评论(0) 分类 经济学人科技系列
学英语单词
accuracy life
activities on nodes
Afsluitdijk
air space warning area
ampulex takeuchii
Atid
awaken ... to
banksia roses
bear(ing) interest
binary launcher
block signal(l)ing
bubble cap grid tray
Carex chinganensis
cataloguss
cerebrospinal meningitis
cheilitis simplex
chernozem-like soil
chromolithographer
chromous nitrate
complemented element
cone of eruption
constructional plant
cracking gas
cryptologist
cystourethrocele
cytotoxin substance
Dermateaceae
developing unit
disable for
double
downgoing reflection
earthlife
electrometric measurement
fast drift radio burst
fatiscence
faxbacks
flag-waving
flowcleavage
friction polymer
fusser
gargariscus prionocephalus
genetic segregation
germinal disc
grammar description language
gut course
hard plant
harmonic differential
Hartree-Fock limit
hemorrhoidal artery
hose duck
hyperthesis
i hope your idea takes wing
iliac roll
Katzian
kyrgyz republic (kyrgyzstan)
liftout plate
load-out system
Marcionites
microlesion
Mohammed
multicore cathode
Neuenhagen
neuroregulator
nil segment
Octaflex
oral surgery
outcome research
overlook
pentakenium
positive Hermitian operator
pre-operation
prey-predator relationship
Que pasa?
quillen
red-crowned
renally
Rhopobota naevana
rigid boat
sample cluster
saturating trap
secludes
semi-dried product
separately extinction of arc
sipas
soft edge
sounding alignment
spoke reticle
stabilizer trim wheel
stricklands
synthetic fiber industry
telegraph distributor
test marketing
thallium yellow
thirsting
top armor
tragulus kanchils
U-shape forming machine
unclear easement
vorst
warehouse supermarket
wavy cord
Xcoral