时间:2019-01-02 作者:英语课 分类:VOA2003(下)-教育与新闻


英语课


By Jerilyn Watson



Broadcast: October 30, 2003


This is Steve Ember with the VOA Special English Education Report.


Many people remember the day in school when they had to 1)cut up a dead frog. Students often perform this 2)dissection 1 as a requirement for biology class. A 3)smelly chemical, 4)formaldehyde, preserves the body of the frog. The students remove and identify the organs as part of learning about the science of life.
But some schools no longer require students to cut apart frogs. Cost may be an issue. Also, animal rights activists 2 may object.
Today, more and more students learn about frogs by computer, through "virtual 3 dissection." A company called Froguts sells educational services to schools. But it also offers a free demonstration 4 on its Web site. First, the image of a whole 5)bullfrog appears on the screen. Users of the site direct cutting tools with clicks of their computer mouse. Lines show where to cut. Several steps later, the frog is open. The next steps are to remove and identify the heart, lungs and other organs.
The Web site is froguts-dot-com. That's spelled f-r-o-g-u-t-s.
Some educators praise virtual dissection. Others say nothing can replace the real thing.
Other virtual activities are also increasingly popular in schools. Some schools cannot send their students to places like museums and zoos. Distance and money may prevent them. But children can still “visit” zoo animals, museum collections and historic 5 places by computer.
Last year, Maine launched a plan to become the first state to provide laptop computers to each of its middle school students and teachers. Maine is a small Northeastern state which, like many other states, is facing budget troubles. But now seventh and eighth graders and their teachers in more than two-hundred-forty schools have these wireless 6 computers.
And the idea is spreading. Michigan, for example, has started to spend twenty-two-million dollars for laptop or hand-held computers for sixth graders. Schools can get the computers if they can pay twenty-five dollars for each student.
Yet such plans have critics, as a story in the magazine U.S. News and World Report noted 7. They say there is little proof that computers are better than traditional teaching methods. Other teachers say the computer is simply another tool that depends on how it is used.
This VOA Special English Education Report was written by Jerilyn Watson. This is Steve Ember.


注释:
1) cut up  v.切碎, 歼灭
2) dissection [ di5sekFEn ] n.解剖, 切开
3) smelly [5smeli] adj.发臭的, 有臭味的
4) formaldehyde [ fC:5mAldi7haid ] n.(化)甲醛, 蚁醛
5) bullfrog [ 5bulfrC^ ] n.(动物)牛蛙, 菜蛙



n.分析;解剖
  • A dissection of your argument shows several inconsistencies.对你论点作仔细分析后发现一些前后矛盾之处。
  • Researchers need a growing supply of corpses for dissection.研究人员需要更多的供解剖用的尸体。
n.(政治活动的)积极分子,活动家( activist的名词复数 )
  • His research work was attacked by animal rights activists . 他的研究受到了动物权益维护者的抨击。
  • Party activists with lower middle class pedigrees are numerous. 党的激进分子中有很多出身于中产阶级下层。 来自《简明英汉词典》
adj.实质上的,事实上的,实际上的
  • This reply is a virtual acceptance of our offer.这一回答实质上是接受了我们的建议。
  • At that time the East India Company was the virtual ruler of Bengal.那时东印度公司是孟加拉的实际统治者。
n.表明,示范,论证,示威
  • His new book is a demonstration of his patriotism.他写的新书是他的爱国精神的证明。
  • He gave a demonstration of the new technique then and there.他当场表演了这种新的操作方法。
adj.历史上著名的,具有历史意义的
  • This is a historic occasion.这是具有重大历史意义的时刻。
  • We are living in a great historic era.我们正处在一个伟大的历史时代。
adj.无线的;n.无线电
  • There are a lot of wireless links in a radio.收音机里有许多无线电线路。
  • Wireless messages tell us that the ship was sinking.无线电报告知我们那艘船正在下沉。
adj.著名的,知名的
  • The local hotel is noted for its good table.当地的那家酒店以餐食精美而著称。
  • Jim is noted for arriving late for work.吉姆上班迟到出了名。
学英语单词
administrative machine
Aeropax
ahhs
anaglyphic
analysis of loan and discount of bank
Appreciative inquiry
arbela polita
astatic meter
autoregistered
balmerino
bare conductor
bookstall
Bōsō-hantō
calcia-alumina-silica fibre
canales pharyngeus
carchedi
caroline i.
cerebral endothelioma
challengingly
circulating funds borrowed by enterprises
CLMW
collect data
colorless plate
curvey
detailed layout planning
dunnage bags
enviss
erupts
feeble-mindeds
flax shives
floor spring
hard pellet
high pressure spectrometry
hseus
hump switching
Igbira, Igbirra
image detail factor
intracaine
kazuo ishiguro
key retrieval
Liberal Party of Australia
liberomotor
low-modulus binder
manadeva
measurement value
metriocranic
Moller-McIntosh-Van Slyke's test
money-managements
mud plantain
Mustayevo
my stories
network-oriented operating system
nine part canon
non-linear structure
octane-value
offshore island-type berth
on-hangers
optometers
overclassify
parallel translation group
paw print
pink porcelain
pitch classes
plicae glosso-epiglottica mediana
plunger lower helix
psalm tone
pyrostib
Quirima
radiolarian temperature
rate of drift method
recording systems
renewable term policy
repair of laceration of canaliculus
ripped-off
riu
rotating pump
seconal
septomaxillary
seules
shoulder elevation
signal distortion rate
spinorial
spiral slice
stylopodiums
superstrength adhesive
swooped in
system optimize
tandem unit
the French
thermolabilities
traversing tube
trigonostoma obliquata
unwroughttimber
Urodin
very good visibility
water-line corrosion
wire strike
witticises
works up
worship bitch goddess
xiaojin mini-pills
YAUN