时间:2018-12-13 作者:英语课 分类:北师大版高中英语模块8(选修)


英语课

[00:01.94]Fresh water

[00:03.71]Rivers, lakes and wet-lands are sources

[00:06.23]of fresh water,not only for humans,

[00:08.50]but for wildlife too.

[00:10.35]Due to pollution and climate change,

[00:12.60]about 50% of the world's fresh water habitats

[00:15.09]have been destroyed in the last 100 years.

[00:19.15]And more than 3 billion people

[00:21.04]in poor countries

[00:22.31]do not have enough clean water.

[00:25.35]The WWF works hard to protect fresh-water

[00:28.53]environment from pollution and to help people

[00:31.87]in developing countries have access to safe,

[00:34.93]clean water.

[00:36.58]Nobody knows exactly how many species 1 of plants

[00:39.27]and animals there are on Earth.

[00:41.45]Scientists say that there would be as many as

[00:44.08]15 million different species.

[00:46.06]Sadly, many species have become extinct 2

[00:48.92]and many are in danger of extinction 3.

[00:51.63]But thanks to the hard work of organizations

[00:53.59]like the WWF,

[00:55.55]more and more have a chance to survive.

[00:57.23]



1 species
n.物种,种群
  • Are we the only thinking species in the whole of creation?我们是万物中惟一有思想的物种吗?
  • This species of bird now exists only in Africa.这种鸟现在只存在于非洲。
2 extinct
adj.灭绝的,不再活跃的,熄灭了的,已废弃的
  • All hopes were extinct.所有希望都破灭了。
  • Dinosaurs have been extinct for millions of years.恐龙绝种已有几百万年了。
3 extinction
n.熄灭,消亡,消灭,灭绝,绝种
  • The plant is now in danger of extinction.这种植物现在有绝种的危险。
  • The island's way of life is doomed to extinction.这个岛上的生活方式注定要消失。
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学英语单词
3-Nitropentane
air changes per hour
athermic effect
Atticizing
Baluan I.
basicole
bilateral loans
blast-furnace
bureau of economic analysis
cacak
charleries
cjds
cobias
compensation servomechanism
complex catalyst
cubic type portable gasoline meter pump
Danicize
dibutyl ethylenediphosphonic acid(DBEDP)
dmzs
Dobromierz
Dons'ke
door-bolt
doorsman
dropout attitudes
dry residue
dual-frequency induction heater
enosimania
epiploic branches
extra banking
floating type bearing
forced recirculation
glucose-sorboside
glutaconaldehyde
glyoxalidine
gust wind factor
hall sensor
hard copper
hatman
heartlet
high strength steel plate
hudson rivers
hull side area
indicator of alienation
inquiry-based
internet-services
Joint Strategic Planning System
Kampong Lubok Paku
laying apparatus
light-negative
liopelmas
lipozyme
metallic card clothing
Modern Japanese
motivating potential score
moyglares
muklek
never for a moment
noissues
non-compliance with a warranty
notos
optical disks
out-caper
patrilineal system
post.
potscaping
power per cylinder
protection technique
psychologizes
pyloric gland
rainy tropics
rete canalis hypoglossi
revence sharing
Rustig
self tapping screw
setback
slip at wall
soil shear
spider's
stethographs
striated muscle fibril
sub band
subgenus azaleastrums
tambov (kotovsk)
tanninoids
tellurium tetraiodide
tennis clubs
thermal engineering
tick off something
tingliness
touch-phones
trestle-work
triangular headed scribing cutter
Triangulum Nebula
udotea fragilifolia
UVLO
valve diameter
valve seat reamer
vathe
vectorially
VoFi
voidable trust
wannel