时间:2018-12-27 作者:英语课 分类:英语时差8,16


英语课

 D: It's time once again to go to the Moment of Science's mailbag.


 
Y: A listener writes in "Dear AMOS, the Neanderthals were smart, tough, and 
well-adapted to the cold where they lived in regions 1 north of Africa. So, what happened to them?
 
D: That's one of our favorite questions, and there're several possible answers. Some scientists have argued that when modern humans left Africa, they interbred with Neanderthals. Others have argued that modern humans wiped out Neanderthals by out competing them for resources and by waging war.
 
Y: But here's a different theory. Neanderthals died out because they lacked skills in clothing design.
 
D: Wait, what? Neanderthals?
 
Y: I read about it in "World Archaeology 2". Here is the idea. Neanderthals disappeared about 35,000 years ago. That's just before the Last Glacial Maximum--a period when there was a sudden drop in temperature and glaciers 3 advanced. Now, because Neanderthals had evolved 4 to live in cool northern climates, they'd had no need to invent tools that would allow them to make complex, multi-layered clothing. So when suddenly got really cold, they were caught with their pants down, so to speak.
 
D: You mean they froze to death?
 
Y: Right. But modern humans were more vulnerable 5 to the cold, so those living in cooler parts of northern Africa had long before the glacial maximum developed tools like needles and stone blades 6 for sewing warmer, multi-layered cloths, including undergarments. So when the maximum hit, modern humans were better able to stay warm.
 
D: Interesting theory

1 regions
n.地区( region的名词复数 );[数学]区域;(艺术、科学等的)领域;行政区
  • A flying doctor service operates in remote regions. 在偏远地区有飞行医生服务。
  • More powers are gradually being devolved to the regions. 正逐步向地方下放更多的权力。 来自《简明英汉词典》
2 archaeology
n.考古学
  • She teaches archaeology at the university.她在大学里教考古学。
  • He displayed interest in archaeology.他对考古学有兴趣。
3 glaciers
冰河,冰川( glacier的名词复数 )
  • Glaciers gouged out valleys from the hills. 冰川把丘陵地带冲出一条条山谷。
  • It has ice and snow glaciers, rainforests and beautiful mountains. 既有冰川,又有雨林和秀丽的山峰。 来自英语晨读30分(高一)
4 evolved
动词evolve的过去式和过去分词
  • The idea evolved from a drawing I discovered in the attic. 这种想法是从我在阁楼里发现的一幅画得到启发的。
  • Man was evolved from an ancestor that was probably arboreal. 人大概是从住在树上的祖先进化而来的。
5 vulnerable
adj.易受伤的,脆弱的,易受攻击的
  • He volunteered to protect her as she looked so vulnerable.她看上去很脆弱,他就主动去保护她。
  • The company is in an economically vulnerable position.该公司目前经济状况不稳定。
6 blades
n.刀口( blade的名词复数 );(机器上旋转的)叶片;桨叶;(船桨的)桨叶
  • the blades of a propeller 螺旋桨叶
  • Stay well away from the helicopter when its blades start to rotate. 直升机的螺旋桨开始转动时,尽量离远点儿。
学英语单词
.ht
across-the-board increase
apple-sauce
approximant
babby
bend whistle
brashing
bulking value
canned sardines in oil
cascade window
Casoni test
chemobiosis
cinecult
clear flag
coffee-colo(u)red
collegianer
commentatings
common bud
continuous charge coupled randomaccess memory
controlled substance policy
cyanamide process
Datuk
dense upper cloud (duc)
deterministic signal
diagnostic output file
dilection
direct hierarchy control
domicellary
elaphoglossum callifolium
elegua
ensrustation
entity record set
ephemeral plant region
etoricoxib
false cope
garretting
gear texturing
general purpose register (grp)
get something out of something
Hop Bottom
hsiang t? chih wu
Hygrophila
ikaros
immunopotentiation therapy
inter-bank
interrupt lockout
ionizers
isoclinic chart
isolation diffusion
katydid
lensia tottoni
linear waveform response
lining effectiveness test after fade and recovery
marketisation
marsh orchid
martensite ageing
maximum condensate pressure
mesopotamicus
mirror skating
nonreliable
null encryption algorithm
paleoethnographies
peak critical void ratio
phokis
photoisolators
phylogenetic memory
Pilea multicellularis
pirola japonica sieb
porphyroid neomorphism
radiation-controlled balloon (racoon)
ratcheting deformation
referrent
return to nature
rima ani
rolling press
rupture of chordae tendineae
safety management system
Scultetus' position
self maintenance
self-sustaining chain reaction
serum prothrombin sonversion accelerator deficiency
shaping machine
sharpening jig
sijohn
simultaneous variance ratio test
social skill
Socorro, I.
sommerfelds
spin sublevel
stationary cutter
straebel
Stupino
system of distribution
tin tube shutter
torontoes
townson
unsigned real
wash-hand basins
wishy washy
yieldance
yui