时间:2018-12-28 作者:英语课 分类:轻松英文阅读


英语课

 Something strange is happening in the forests around Chernobyl. More precisely 1, it is what is not happening that is the problem. When leaves fall and trees die there, they are not decomposing 2 properly.


 
Scientists visiting the dead forests noticed that the trees were almost unchanged nearly 30 years after the disaster. They also found an unusually thick carpet of fallen leaves. The scientists knew something strange was happening and they decided 3 to investigate. They uncovered that the rate of decay for the dead trees and leaves was much slower in the contaminated areas.
 
It appears that microbes, fungi 4 and insects, are suffering from contamination. Usually, when a tree dies in the forest these organisms break it down and turn it into soil. They are essential to the forest ecosystem 5. But near Chernobyl the ecosystem has broken down.
 
The problem could have wider implications. The scientists fear that the thick dead brush could be a huge fire risk. A forest fire in the area would be hard to control. What is worse is that it could spread radioactive material well beyond the exclusion 6 zone.

1 precisely
adv.恰好,正好,精确地,细致地
  • It's precisely that sort of slick sales-talk that I mistrust.我不相信的正是那种油腔滑调的推销宣传。
  • The man adjusted very precisely.那个人调得很准。
2 decomposing
腐烂( decompose的现在分词 ); (使)分解; 分解(某物质、光线等)
  • The air was filled with the overpowering stench of decomposing vegetation. 空气中充满了令人难以忍受的腐烂植物的恶臭。
  • Heat was obtained from decomposing manures and hot air flues. 靠肥料分解和烟道为植物提供热量。
3 decided
adj.决定了的,坚决的;明显的,明确的
  • This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
  • There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。
4 fungi
n.真菌,霉菌
  • Students practice to apply the study of genetics to multicellular plants and fungi.学生们练习把基因学应用到多细胞植物和真菌中。
  • The lawn was covered with fungi.草地上到处都是蘑菇。
5 ecosystem
n.生态系统
  • This destroyed the ecosystem of the island.这样破坏了岛上的生态系统。
  • We all have an interest in maintaining the integrity of the ecosystem.维持生态系统的完整是我们共同的利益。
6 exclusion
n.拒绝,排除,排斥,远足,远途旅行
  • Don't revise a few topics to the exclusion of all others.不要修改少数论题以致排除所有其他的。
  • He plays golf to the exclusion of all other sports.他专打高尔夫球,其他运动一概不参加。
学英语单词
acid ager
acoustic image aberration
alongwith
anal crack
arrange reinforced material
atmosphericss
AustinFlint
bendini
benefit of clergy
bordley
boundary-layer photocell
Bx factor
centrifugal sugar
cerna hora mt.
channomuraena vittata
charta exploratoria coerulea
children's wear
chlorfenac
chronic adrenitis
chrysomphalus aonidum (linnaeus)
civil liability insurance
condemn as
control unit of control processor
converage
counter conditionings
direct oxidation test
domestic international sales corporation
dramatising
eamer
ear-ringed
eluvial phase
emission power
emotional disorders
erotism
financial rate of return
free fall lifeboat
frequency scanning radar
Harūz-e Bālā
have one's head screwed on the right way
horseplayers
illimitor
incanted
inner pipe
integrated camera
internal conductor
lapikov
llsa
mail-order-wife
make out with
mandatory period
methylfluoride laser
michoacan
microreplications
multicystic
multiple-branch bank
multirun welding
national bank note
neurotripsy
new york times information
non-formal
Nordhausen
ochronotic
orange liqueurs
parsing
Patrylo
peepal
peevie
piston junk ring
planithorax
postirradiation
Pouzolzia sanguinea
powell mt.
processable task graph
prolamin(e)
Prφven
reactive learning environment
remissions
rise-and-fall
rollison
school management
shoehorning
simmonses
single-flank meshing tester
slant-eye
southernwort
sporadic reflections
St. Elsewhere
standard processing of marine data
sugar tit
tcpo
theophobic
thyrotropin releasing hormone
tie strap
transsexualities
triple rib tire
ustilaginous
viaticus settlements
wage dividend
window options
worder
ystad
Yāmphodin