高一数学练习册答案-南字拼音
We might marvel at the progress made in
every field of study, but the methods of
testing a person’s knowledge and ability
remain as primitive as ever they were. It really
is
extraordinary that after all these years;
educationists have still failed to devise anything
more efficient and reliable than examinations.
For the entire pious claim that examinations
test what you know, it is common knowledge
that they more often do the exact opposite.
They may be a good means of testing memory, or
the knack of working rapidly under
extreme
pressure, but they can tell nothing about a
person’s true ability and aptitude.
As
anxiety-makers, examinations are second to none.
That is because so much depends
on them. They
are the mark of success or failure in our society.
Your whole future may be
decided in one
fateful day. It doesn’t matter that you weren’t
feeling very well, or that your
mother dies.
Little things like that don’t count: the exam goes
on. No one can give of his best
when he is in
mortal terror, or after sleepless night, yet this
is precisely what the
examination system
expects him to do. The moment a child begins
school, he enters a world
of vicious
competition where success and failure are clearly
defined and measured. Can we
wonder at the
increasing number of ‘drop-outs’: young people who
are written off as utter
failures before they
have even embarked on a career? Can we be
surprised at the suicide
rate among students?
A good education should, among other things, train
you to think for
yourself. The examination
system does anything but that. What has to be
learnt is rigidly
laid down by a syllabus, so
the student is encouraged to memories.
Examinations do not
motivate a student to read
widely, but to restrict his reading; they do not
enable him to seek
more and more knowledge,
but induce cramming. They lower the standards of
teaching, for
they deprive the teacher of all
freedom. Teachers themselves are often judged by
examination results and instead of teaching
their subjects, they are reduced to training their
students in exam techniques which they
despise. The most successful candidates are not
always the best educated; they are the best
trained in the technique of working under
duress.
The results on which so much
depends are often nothing more than a subjective
assessment by some anonymous examiner.
Examiners are only human. They get tired and
hungry; they make mistakes. Yet they have to
mark stacks of hastily scrawled scripts in a
limited amount of time. They work under the
same sort of pressure as the candidates. And
their word carries weight. After a judge’s
decision on you have the right of appeal, but not
after an examiner’s. There must surely be many
simpler and more effective ways of
assessing a
person’s true abilities. It is cynical to suggest
that examinations are merely a
profitable
business for the institutions that run them? This
is what it boils down to in the last
analysis.
The best comment on the system is this illiterate
message recently scrawled on a
wall: ‘I were a
teenage drop-out and now I are a teenage
millionaire
Nowadays, there is a growing
popularity of Internet surfing on college campus.
An
increasing number of students, majoring
either in science or engineering or in liberal
arts,
spend many hours surfing the Internet
with keen interest everyday.
Internet surfing
has attracted college students like magnets
because it is the world of
Internet and the
world of globalization. First, with the global
coverage of Internet, we can
reach out
and touch anyone at any place of the world. Via
Internet, we can send and receive
E-mails at
any time much faster, cheaper and more effective
than conventional means such
as telephone,
telex and fax. Next, via access to the home pages
of libraries, universities,
journals and news
agencies, and research organizations, we can
easily acquire all kinds of
information, to
know what is going on all over the world. Finally,
by clicking the mouse, we
are capable of doing
such important things as shopping, finding jobs,
making friends,
down-loading files and
programs, doing business, publishing papers and
freely airing our
opinions on all sorts of
interesting issues. What is more, Internet offers
many opportunities.
For example, we can work,
educate ourselves and communicate with others at
home via
Internet.
In the Information Age,
it is difficult to imagine modern life without
Internet. With the
rapid development of
Information Technology industry, successful dot-
com companies
mushroomed everywhere. Internet
is revolutionizing our economy, our society and
our life.
Dietary Changes and Health Care
As is shown in the graph, China's food
distribution has taken great changes from 1960's
to 1990's According to this statistics of
cereals, vegetable, meat, and fruits, the number
of
those who eat rice, flour or vegetable has
greatly decreased in the past four decades. In
contrast of this the number of those who eat
oil or meat has sharply increased. From such
dietary changes, we can perceive the rapid
improvement of our people’s living standard.
Why does this improvement occur? The direct
reason is the fact that the Chinese people
have attached much importance to their health
care. Nationally, China's economic growth is
booming, and more people are getting richer.
Individually, everyone's consumption of food
is increasingly varied. In particular, most of
people are reluctant to eat much vegetable, but
much meat and oil in their diets.
In my
view, the changes of China's dietary distribution
seem to be both positive and
negative. The
positive aspect is that China’s economical growth
has given rise to the higher
level of dietary
standard, with most of people living rich and
happy. But the negative aspect
is that, I'm
afraid, less eating vegetable will lead to poorer
health, such as lacking vitamin
nutrients in
one's body. Therefore, we think it necessary for
the Chinese to be aware of the
balanced diets:
Lots of vegetable and meat, which may gain us
healthier bodies in the new
century.
Computer Age
1.近年来,计算机的应用越来越广泛2.计算机能做许多有益的事3.计算机也有许多副作用,
In recent years, computers have grown in
popularity. You can find them not only in the
universities but on farms and in factories,
shops and other places. The number of private
computers has also risen tremendously within
the past few years.
2
Computers can do many useful things.
They can provide people with efficient work,
colorful entertainment and accurate
calculations. High up in space and deep down in
oceans,
they are used to make scientific
discoveries. On farms and in factories, they help
to do
difficult work. In offices and at homes,
they take over routine jobs. With their incredible
potentials, fantastic speed and unbelievable
convenience, computers are getting increasingly
important in our life.
The truth of the
matter, however, is that any new technology,
including computers, has
a
business and
industry. Unexpected computer viruses may destroy
a large quantity of useful
information.
Furthermore, the indulgence of children in
computer games is very had for
their mental
and physical healthy development. We should
therefore, be careful in using
computers.
University Life
1. The value of university
life.
2. University life can be rich and
colorful.
3. Students prepare for their
future.
Time spent at a university is a most
worthwhile period in a young person's life. This
is a
time when a student begins to form his or
her ideas about life in general. Attending classes
and studying in the library keep a student
busy and provide him or her with access to
valuable information, adding to his or her
knowledge base.
Campus life can also be rich
and colorful. Most universities offer a variety of
extracurricular activities such as sports
events, contests, and other social gatherings,
enabling the students to experience relief
from study and homework. Students often form
lifelong friendships through the varied
experiences of university life.
During the
time a student spends at university, he not only
develops his intellectual
abilities. he also
develops social skills as well as knowledge and
wisdom necessary for
choosing a future career.
By learning how to balance intense study and
recreation, a student
will be well prepared
for the challenges of future responsibilities.
Tobacco
Tobacco
smoke is killing thousands of people every year
and injuring hundreds of
thousands more every
day like children. Federal officials released a
massive report that is
sparking renewed
efforts to ban smoking in public places.
Secondhand smoke has been
classified as known
carcinogen; this classification is only shared by
ten other pollutants.
These pollutants include
benzene, asbestos and smoke inhaled directly from
cigarettes.
3
Governor Mario
Cuomo has asked the Legislature to outlaw smoking
on school grounds and
antismoking advocates
said they would target airlines and fast food
chains for similar bans.
The risk of
developing lung cancer due to tobacco smoke is 1
in 1,000 for nonsmokers
and 2 in 1,000 for
nonsmoking spouses of smokers. However, the risk
for smokers is 70 in
every 1,000.
Passive
smoking causes between 150,000 and 300,000 cases
of bronchitis, pneumonia
and similar
infections in children less than 18 months old and
worsens the condition of
between 200,000 and 1
million asthmatic children. It is pointless to
allow people to smoke in
one part of a
restaurant and not to allow it in another when
eventually the nonsmoking
section breathes in
the smoke.
In conclusion, second hand smoke is
a human carcinogen that kills about 3,000 U.S.
nonsmokers because of lung cancer annually.
Cigarette smoke is responsible for 150,000 to
300,000 cases of bronchitis and pneumonia and
other lower respiratory infections in
children
up to 18 months of age. Tobacco smoke is also
known to cause the build-up of fluid
in the
middle ear causing various infections. As one can
see it is not recommended for people
to smoke
in public due to the effects it has on smokers s
as well as nonsmokers.
Examinations Exert a
Negative Influence on Education
We might
marvel at the progress made in every field of
study, but the methods of
testing a person's
knowledge and ability remain as primitive as ever
they were. It really is
extraordinary that
after all these years; educationists have still
failed to devise anything
more efficient and
reliable than examinations. For the entire pious
claim that examinations
test what you know, it
is common knowledge that they more often do the
exact opposite.
They may be a good means of
testing memory, or the knack of working rapidly
under
extreme pressure, but they can tell you
nothing about a person's true ability and
aptitude.
As anxiety makers, examinations are
second to none. That is because so much depends
on them. They are the mark of success or
failure in our society. Your whole future may be
decided in one fateful day. The moment a child
begins school, he enters a world of sharp
competition where success and failure are
clearly defined and measured. Can we wonder at
the increasing number of drop-outs, young
people who are written off as utter failures
before they have even begun a career? Can we
be surprised at the suicide rate among
students?
A good education should, among
other things, train you to think for yourself. The
examination system does anything but that.
What has to be learnt is rigidly laid down by a
syllabus, so 'the student is encouraged to
memories. Examinations do not motivate a student
to read widely, but to restrict his reading;
they do not enable him to seek more and more
knowledge, but induce cramming. The most
successful candidates are not always the best
educated; they are the best trained in the
technique of working under pressure.
4
HONEST IS GLOD
Honesty
means speaking the truth and being fair and
upright in act. He who lies and
cheats is
dishonest. Those who gain fortunes not by hard
labor but by other means is
dishonest.
Honesty is a good virtue. If you are honest
all the time, you’ll be trusted and respected
by others. A liar is always looked down upon
and regarded as a black sheep by the people
around. Once you lie, people will never
believe you even if you speak the truth.
However, in the tide of commodity economy
today, it seems that more and more people
believe in money at the sacrifice of honesty.
To them, among such things as health, beauty,
m6ney, intelligence, honesty, reputation and
talent, honesty is the only thing that can be east
away. They don't understand or pretend not to
understand that honesty is the biggest
fortune
humans own, and that it is the prerequisite for
doing everything well. I think these
people
are to be pitied.
In short, honesty is gold.
Honest, your reputation will become great;
dishonest, your
name will be spoiled and your
personality degraded. Therefore, we should never
make such
an excuse as
seed of dishonesty
once it is sowed in our minds.
SEIF-
CONDIFENCE
There are many factors that can
contribute to a person’s success in life. Whether
he is
at school or at work, a person is more
likely to succeed if he is hard-working, honest,
intelligent, responsible, and so on. But of
all the possible characteristics that can affect
one’s
success, I believe self-confidence to be
the most important for the following reasons.
The first reason is that when a person has
self-confidence he believes in himself. He
believes that he can and will succeed, and
this gives him the courage to try new things. In
order to be successful we must be willing to
take some risks, so having self-confidence is very
important. Another reason is that a confident
person rarely gives up. When he fails he tries
again and again until he wins. A final reason
is that confident people are not afraid to show
off their achievements. This is not to say
that they should brag, but that they should
gracefully and confidently accept the
compliments of others. When their achievements are
noticed more by others at school or work, they
are more likely to succeed.
In short, I
believe self-confidence to be the most important
factor in success. It enables
people to take
risks, try again when they fail, and enjoy their
accomplishments when they
win. With these
abilities, a confident person can succeed easily
at school or work.
Directions:
Study the
following graph carefully and write an essay in
which you should
5
1) analyze
the graph, and?
2) give your comments on the
trend.
In recent years there has been a
dramatic rise in the cell phones, which are now
essential to millions of people as a
convenient form of communication. In 2004 the
number
reached 315,000,000, with an average
annual increase at 57,500,000. ?
Some people
can now no longer imagine life without their cell
phones. The fact that they
are so popular
proves that they are useful and convenient. Cell
phones enable people to
easily and quickly
communicate with one another; wherever you are,
you can instantly
reach somebody. Cell phones
eliminate the trouble of not being able to meet
someone in
person, and therefore increase
business's efficiency. ?
Mobile phones
necessarily also harbor disadvantages. The
radiation such phones emit is
hazardous to
one's health. Furthermore, if people become too
reliant on the use of cell
phones, our face to
face skills may decline. Any new invention has its
drawbacks, and such
negative aspects cannot
always diminish its popularity. Despite the
negative effects of
television, for example,
the number of people who own televisions continues
to grow at a
tremendous rate. This is also the
case with mobile phones. People won't stop eating
just
because of the risk of choking. In
addition, the swift development of science and
technology
will likely eliminate the hazards
cell phones may cause. One can safely predict,
therefore,
that with the introduction of new
techniques, mobile phones will have more
applications and
become even more appealing to
customers.
Traveling with a companion,
Traveling can be wonderful. It introduces us
to new experiences, broadens our minds
and
helps us relax. However, not everyone likes to
travel in the same way. Some people
prefer to
travel alone so that they can do what they like
during their trip without having to
worry
about anyone else. Others like to have a companion
to share the experience with. I am
one of the
latter, because I believe that traveling with
someone has many advantages.
When I travel
with a companion, I have someone with whom to
share what I experience.
We can talk over the
day’s events and discoveries, and this will make
them more interesting.
In addition, it is
often comforting to have a familiar person around
when we are in a strange
environment. When I
am traveling in a foreign country, I may be unable
to speak the
language or may be confused by
the local customs. With a travel companion, I will
always
have someone to talk and share my
feelings with. Finally, a travel companion can
make the
journey easier and safer. We can help
each other to take the journey easier and safer.
We
can help each other to take care of our
bags and get information, as well as keep each
other
company while waiting in long lines.
6
To sum up, I prefer to
travel with a companion rather than travel alone.
I believe it
adds enjoyment and comfort to may
trip. And when we return from our journey, my
friends
and I can share our wonderful
memories.
Wealth and
happiness
Wealth has always been what some
people long for. It is true that most of them try
to
acquire wealth by means of honest labor.
Their efforts contribute to the welfare of society
and at the same time to the accumulation of
their wealth. This brings them happiness.
There is no doubt that wealth brings happiness
especially in modern society, where
various
kinds of modern conversation, new fashions and
entertainments make their
appearance with each
passing day. These can improve a person’s life he
or she has money to
buy them.
But wealth
does always not go hand in hand with happiness.
Wealth may encourage
those weak-willed people
to be addicted to some harmful habits such as drug
taking or
gambling and bring about their own
ruin. Also a person may lose his reason and go
astray if
he is passionately devote to seeking
wealth. Therefore, one can never count on wealth
to
achieve happiness.
A bad beginning
makes a bad ending.不善始者不善终。
A bad thing never
dies.遗臭万年。
A bad workman always blames his
tools.不会撑船怪河弯。
A bird in the hand is worth
than two in the bush.一鸟在手胜过双鸟在林。
A boaster and
a liar are cousins-german.吹牛与说谎本是同宗。
A bully
is always a coward.色厉内荏。
A burden of one's
choice is not felt.爱挑的担子不嫌重。
A candle lights
others and consumes itself.蜡烛照亮别人,却毁灭了自己。
A
cat has 9 lives.猫有九条命。
A cat may look at a
king.人人平等。
A close mouth catches no
flies.病从口入。
A constant guest is never
welcome.常客令人厌。
Actions speak louder than
words.事实胜于雄辩。
Adversity leads to
prosperity.穷则思变。
Adversity makes a man wise,
not rich.逆境出人才。
A fair death honors the whole
life.死得其所,流芳百世。
A faithful friend is hard to
find.知音难觅。
A fall into a pit, a gain in your
wit.吃一堑,长一智。
A fox may grow gray, but never
good.江山易改,本性难移。
A friend in need is a friend
indeed.患难见真情。
A friend is easier lost than
found.得朋友难,失朋友易。
A friend is never known till
a man has need.需要之时方知友。
A friend without
faults will never be found.没有十全十美的朋友。
'After
you' is good manners.“您先请”是礼貌。
7
A good beginning is half
done.良好的开端是成功的一半。
A good beginning makes a
good ending.善始者善终。
A good book is a good
friend.好书如挚友。
A good book is the best of
friends, the same today and forever.一本好书,相伴一生。
A good conscience is a soft
pillow.不做亏心事,不怕鬼叫门。
A good fame is better than
a good face.美名胜过美貌。
A good husband makes a
good wife.夫善则妻贤。
A good medicine tastes
bitter.良药苦口。
A good wife health is a man's
best wealth.妻贤身体好是男人最大的财富。
A great talker is a
great liar.说大话者多谎言。
A hedge between keeps
friendship green.君子之交淡如水。
A joke never gains
an enemy but loses a friend.戏谑不能化敌为友,只能使人失去朋友。
A leopard cannot change its spots.积习难改。
A
liar is not believed when he speaks the
truth.说谎者即使讲真话也没人相信。
A light heart lives
long.静以修身。
A little body often harbors a great
soul.浓缩的都是精品。
A little knowledge is a
dangerous thing.一知半解,自欺欺人。
A little pot is
soon hot.狗肚子盛不得四两油。
All are brave when the
enemy flies.敌人逃窜时,人人都成了勇士。
All good things
come to an end.天下没有不散的筵席。
All rivers run into
sea.海纳百川。
All roads lead to Rome.条条大路通罗马。
All that ends well is well.结果好,就一切都好。
All
that glitters is not gold.闪光的不一定都是金子。
All
things are difficult before they are
easy.凡事总是由难而易。
All work and no play makes Jack
a dull boy.只会用功不玩耍,聪明孩子也变傻。
A man becomes
learned by asking questions.不耻下问才能有学问。
A man
can do no more than he can.凡事都应量力而行。
A man
cannot spin and reel at the same time.一心不能二用。
A man is known by his friends.什么人交什么朋友。
A
man of words and not of deeds is like a garden
full of weeds.光说空话不做事,犹如花园光长
刺。
A man
without money is no man at all.一分钱难倒英雄汉。
A
merry heart goes all the way.心旷神怡,事事顺利。
A miss
is as good as a mile.失之毫厘,差之千里。
A mother's
love never changes.母爱永恒。
An apple a day keeps
the doctor away.一天一苹果,不用请医生。
A new broom
sweeps clean.新官上任三把火。
An eye for an eye and a
tooth for a tooth.以眼还眼,以牙还牙。
An hour in the
morning is worth two in the evening.一日之计在于晨。
An old dog cannot learn new tricks.老狗学不出新把戏。
An ounce of luck is better than a pound of
wisdom.聪明才智,不如运气。
An ounce of prevention is
worth a pound of cure.预防为主,治疗为辅。
8
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