浮游生物排泄二氧化碳

Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too small for the human eye to see. They drift about lazi

发表于:2018-12-15 / 阅读(165) / 评论(0) 分类 新东方背诵文选

Plankton Poop May Help Scientists Predict Climate Changes 浮游生物的粪便帮助科学家预测气候变化 Scientists trying to predict future changes in our climate are using every possible source of data to make their calculations. Lately, th

发表于:2018-12-16 / 阅读(24) / 评论(0) 分类 VOA标准英语2015年(十月)

By Brian Wagner Miami 21 June 2007 Scientists are seeking new ways to reverse the buildup of carbon dioxide in the atmosphere that many believe is the cause of global warming. Today on Searching for Solutions, VOA's Brian Wagner reports that one proj

发表于:2019-01-11 / 阅读(86) / 评论(0) 分类 2007年VOA标准英语(六月)

And how, you may reasonably wonder, can scientists know what oxygen levels were like hundreds of millions of years ago? 你也许有理由想知道,科学家们怎么会知道几亿年以前的氧气浓度? The answer lies in a slightly obscure b

发表于:2019-01-17 / 阅读(70) / 评论(0) 分类 万物简史

By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have

发表于:2019-02-06 / 阅读(41) / 评论(0) 分类 VOA常速英语2008年(二月)

2006职称英语考试模全真拟试题理工类C级(二) 第一部分:词汇选择(第1-15题,每题1分,共15分) 下面共有15句子,每个句子均有一个词或短语划有底横

发表于:2019-02-07 / 阅读(65) / 评论(0) 分类 实用英语
学英语单词
-generous
Aedes w-alba
alternate sector
antialigning
APRESSOLINE
argillic horizon
atmos clock
barren hermaphrodite flower
bliss ninny
cadre education
cancer of urinary bladder
cantilever beam impact machine
chavicol methyl ether
chrome gelatin
clock-makers
combination of free blocks
comparative returns on investments
contact controlled ignition system
coralliophaga coralliophaga
covered joint
cst (condensate storage tank)
curl oneself up
density wave theory
derivative action
digit order number
Doolittle equation
elastic strain energy
electric machine
epinephelus maculatus
essential proposition
express waiver
external-pressure
farm subsidy
fetch-limited sea
figurante
glucoverodoxin
Gymnema affine Dcne.
gyri occipitales superiores
harlem jazz
have a swollen head
helveolous
heretic
high income country
Hooda
incisurae pterygoidea
indexed data set
isothecium kakkodense besch.
Jewy
Khulkhuta
Kilmichael
konare
left bronchomediastinal trunk
Libochovice
luteanin
Maclura pomifera
matriarchies
mean measuring depth
mechanism of self-lubrication
metavoltaite
mold unloading
multirunning
nemy
nonhelical
nonmaterial sphere
nuclear power generator
on the ebb
oscillating drive
paracytheridea dissecta
peck through
peicardiotomy
polydactyluss
predistortion circuit
psychical determinism
relexicalizing
riaan
ropesman
rural finance
samuilo
sarasaeschna lieni
Sedalande
seeing someone off
semmens
slackenings
slide demonstration
Slieveardagh Hills
soft-top container
solecurtid
stylistic effect
subarbis
Sun Fire
suspended roof brick
tanna sayurie
TDI
Teiga, Jab.
tithe barn
titre(titer)
triple filament method
Vogt Guyot
Vouraïkos Potamos
worn profile
wyethia amplexicauliss
xanthophylls