时间:2018-12-01 作者:英语课 分类:2010年VOA慢速英语(十二)月


英语课

This is the VOA Special English Health Report.


When parents go to work, their young children often spend the day in child care. That contact with other children can make it easier to get sick. But new research suggests that this might have a protective effect a few years later when children start school.


A research team looked at data from a large study. That study followed the health of a group of Canadian children for almost their first ten years of life.


Sylvana Cote at the University of Montreal led the research team. She says some of the children were more likely to get sick from the kinds of infections commonly passed around a day care center. But she says these children were also more likely to avoid infections when they entered elementary school a few years later.


SYLVANA COTE: "Children who started child care early -- that is, before two and a half years -- and who attended child care where there were a large group of children, they have lower rates of infections than children who either never went to day care or children who went to small-group day care."


Sylvana Cote says her study was not really designed to explain why children who started day care early with many other children had fewer infections later. But she says there is a non-medical reason why getting sick early might be better: it reduces the risk of having to stay home from school.


SYLVANA COTE: "We argue in the paper that missing school when you're starting to learn to read or when you learn to write may be more problematic for the future academic trajectory 1 than missing day care days."


The research appears in the Archives of Pediatric and Adolescent Medicine, a journal of the American Medical Association.



Chantal Compaore, the wife of Burkina Faso's president, holds a young boy during the launch of a new vaccination 2 campaign against meningitis December 6


Some diseases can be prevented by vaccines 4. This month, the World Health Organization launched the first vaccine 3 ever developed for Africa.


The vaccine is designed to provide ten years of low-cost protection against meningococcal A. This bacterial 5 form of meningitis can cause brain damage and death. Major epidemics 6 strike Africa every seven to fourteen years. Children and young adults are the hardest hit.


Last year, an outbreak across sub-Saharan Africa killed more than five thousand people. The WHO says as many as four hundred fifty million people across Africa are at risk from meningitis.


The new vaccine is called MenAfriVac. It can be given to children as young as one, which is earlier than vaccines currently used to fight meningitis epidemics n Africa.


Health workers launched the new vaccine in Burkina Faso in West Africa. There are twenty-five countries along Africa's so-called meningitis belt from Senegal to Ethiopia. The hope is that people in all twenty-five countries will be protected against the disease by twenty-fifteen.


And that's the VOA Special English Health Report. I'm Steve Ember.



1 trajectory
n.弹道,轨道
  • It is not difficult to sketch the subsequent trajectory.很容易描绘出它们最终的轨迹。
  • The path followed by a projectile is called its trajectory.抛物体所循的路径称为它的轨道。
2 vaccination
n.接种疫苗,种痘
  • Vaccination is a preventive against smallpox.种痘是预防天花的方法。
  • Doctors suggest getting a tetanus vaccination every ten years.医生建议每十年注射一次破伤风疫苗。
3 vaccine
n.牛痘苗,疫苗;adj.牛痘的,疫苗的
  • The polio vaccine has saved millions of lives.脊髓灰质炎疫苗挽救了数以百万计的生命。
  • She takes a vaccine against influenza every fall.她每年秋季接种流感疫苗。
4 vaccines
疫苗,痘苗( vaccine的名词复数 )
  • His team are at the forefront of scientific research into vaccines. 他的小组处于疫苗科研的最前沿。
  • The vaccines were kept cool in refrigerators. 疫苗放在冰箱中冷藏。
5 bacterial
a.细菌的
  • Bacterial reproduction is accelerated in weightless space. 在失重的空间,细菌繁殖加快了。
  • Brain lesions can be caused by bacterial infections. 大脑损伤可能由细菌感染引起。
6 epidemics
n.流行病
  • Reliance upon natural epidemics may be both time-consuming and misleading. 依靠天然的流行既浪费时间,又会引入歧途。
  • The antibiotic epidemics usually start stop when the summer rainy season begins. 传染病通常会在夏天的雨季停止传播。
学英语单词
8-foot
abort branch
adult-sized
amend the terms of LC
american blights
ansu-
Antonivtsi
axial modification
ball tree
basic lead silicate white
beer-halls
bilabe
blade angle of attack
borrow without security
brewster law
buccal occlusion
CHPL
cloth paper
coccygeal plexus
COLD-K
come into bloom
command-set vector
community-based
composite price
contact bridging
contribution by participants
dicketry
differential galactic rotation
dimensional method
electron tunneling
electroslag melting
esophagosalivary symptom
Floyd production language
fore-arms
gaatw
genus Echinochloa
gudgeon pin hole cap
gynas
hayslip
head park
i.iii.
inheritable tenancy
internationally-renowned
isometric plan
Jesuits' bark
keep your nose to the grindstone
Kiernan
klimts
lacked
lag of valve
liberalish
Lilium longiflorum
liquid waste discharge pump
live studio
load limiting device
methyl chlorofluoride
microprogrammed compiler
minimum running current
mishaving
multiphase flow
munlyn
nematocarcinus undulatips
netherregions
Nonfill
nuclear weapon test
ocular Onchocerciasis
offering to liberty
orbit perturbation
orienting compass
period of return
peucednin
phratry
pyelotubular
Qadhafist
quadruple bolt cutter
regional information
reichsbrucke
rescissorian
rigorously
route recorder
ruffneck
sharp bilge
smog front
smulovitz
soft-pitch
soft-shell clams
solitary carpel
sow the sand
specific combining ability
strained tomatoes
strikings-out
Suihua
sulphoxides
the economy
The rough and tumble
third-party transaction
Tractites
transplace
troopers
turkey stews
waur
weapon-training