阅读理解。 Alzheimer"s disease affects millions of people around the world. Ameri
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| 阅读理解。 |
Alzheimer"s disease affects millions of people around the world. American researchers say the disease
will affect more than one hundred million people worldwide by the year twenty fifty. That would be four
times the current (现在的) number. Researchers and doctors have been studying Alzheimer"s patients for
a century. Yet the cause and cure for the mental (智力的) sickness are still unknown. However, some
researchers have made important steps towards understanding it.
Several early signs of the disease involve (涉及) memory and thought processes. At first, patients have
trouble remembering little things. Later, they have trouble remembering more important things, such as the
names of their children.
There are also some physical tests that might show who is at risk of developing Alzheimer"s disease.
The tests look for proteins (蛋白质) in brain and spinal cord fluid (脊髓). The proteins appear to be found
only in people with the disease. The protein tests correctly identify (确定) the presence of the disease in
about ninety percent of patients.
Now, a much simpler physical test to predict Alzheimer"s risk has been developed. Researchers found
that trouble with the sense of smell can be one of the first signs of Alzheimer"s disease. Using this information,
they developed a test in which people were asked to identify twelve familiar smells. These smells included
cinnamon (桂皮), black pepper, chocolate, paint thinner (涂料稀释剂), and smoke.
The study continued for five years. During this period, the same people were asked to take several tests
measuring their memory and thought abilities. Fifty percent of those who could not identify at least four of
the smells in the first test had trouble with their memory and thinking in the next five years.
Another study has shown a possible way to reduce a person"s chances of developing Alzheimer"s disease
in old age. Researchers in Chicago found that people who use their brains more often are less likely to develop
Alzheimer"s disease. Those who read a newspaper, or play chess or word games are about three times less
likely to develop the condition.
Researchers say they still do not know what causes Alzheimer"s disease. But they say these findings might
help prevent the disease in the future. |
| 1. What"s the main idea of the passage? |
| [ ] |
A. Some early signs of the Alzheimer"s disease.
B. Some physical tests about Alzheimer"s disease.
C. The research about Alzheimer"s disease.
D. The patients of Alzheimer"s disease. |
| 2. How many Alzheimer"s patients now around the world? |
| [ ] |
A. 100 million
B. 25 million
C. 400 million
D. 20million |
| 3. What is not the early sign of the Alzheimer"s disease according to the passage? |
| [ ] |
A. Poor memory.
B. Proteins exist in the brain.
C. Trouble with the sense of smell.
D. Less use of the brain. |
| 4. What does the underlined word "it" in paragraph 1 refer to? |
| [ ] |
A. Alzheimer"s disease.
B. Alzheimer"s patients.
C. The cause and cure.
D. The research. |
| 5. According to the passage, we can learn that _____. |
| [ ] |
A. there are no proteins in the brains of the people with no Alzheimer"s disease
B. the people who often use their brains will not get Alzheimer"s disease
C. researchers and doctors have found ways to cure Alzheimer"s disease
D. the people who have the trouble with the sense of smell will certainly suffer from Alzheimer"s disease |
答案
| 1-5 C B D A A |
举一反三
| 阅读理解。 |
Trees are useful to man in three very important ways: they provide him with wood and other products;
they give him shade, and they help to prevent droughts (干旱) and floods.
Unfortunately, in many parts of the world man has not realized that the third of these services is the most
important. In his eagerness (渴望) to draw quick profit from the trees, he has cut them down in large numbers,
only to find that without them he has lost the best friends he had.
Two thousand years ago a rich and powerful country cut down its trees to build warships, with which to
gain itself an empire (帝国). It gained the empire but, without its trees, its soil became hard and poor. When
the empire fell to pieces, the country found itself faced by floods and starvation.
Even though a government realizes the importance of a plentiful supply of trees, it is difficult for it to
persuade the villager to see this. The villager wants wood to cook his food with, and he can earn money by
making charcoal (木炭) or selling wood to the townsman (城市居民). He is usually too lazy or too careless
to plant and look after trees. So unless the government has a good system of control, or can educate the people,
the forests will slowly disappear.
This does not only mean that the villager"s sons and grandsons have fewer trees. The results are even more
serious. For where there are trees their roots break the soil up-allowing the rain to sink in and also hold the soil,
thus preventing it being washed away easily, but where there are no trees, the soil becomes hard and poor. The
rain falls on hard ground and flows away on the surface, causing floods and carrying away with it the rich
topsoil, in which crops grow so well. When all the topsoil is gone, nothing remains but a worthless desert. |
| 1. The purpose that the writer wrote this article is to _____. |
| [ ] |
A. tell people the use of wood
B. tell people the function of tree roots
C. warn that man mustn"t destroy forests any more
D. explain how trees help to prevent droughts and floods |
| 2. Which function of trees is the most important? |
| [ ] |
A. Giving shade to human.
B. Preventing droughts and floods.
C. Providing charcoal (木炭).
D. Offering wood to human. |
| 3. In the writer"s opinion, _____, or the forests will slowly disappear. |
| [ ] |
A. measures must be taken
B. people shouldn"t draw benefit from the trees
C. government must realize the serious results
D. unless trees are never cut down |
| 4. According to the article we know it is _____ to prevent the forests from slowly disappearing. |
| [ ] |
A. necessary but impossible
B. necessary but difficult
C. impossible and unimportant
D. difficult and impossible |
| 5. In the last two paragraphs, the writer wanted to make it clear that _____. |
| [ ] |
A. where there are no trees, the soil becomes poor but soft
B. where there are many trees, there are more floods
C. where there are no trees, the land might become desert slowly
D. floods will make the land become desert |
| 阅读理解。 |
A quarrel at home may result in you falling ill. Don"t laugh, it"s true. Family matters including living habits
and even the way we speak have a big effect on our health, doctors say.
Wang Xiaoyu, a Senior 2 girl from Xichang, Sichuan Province, fainted (晕倒) in class when she heard
her classmates quarrel at the top of their voices. Quarrels between her parents also put the girl into a coma.
It is because she is suffering from depression (抑郁症), caused by bad relations at home, doctors explained.
"We don"t get sick or stay well by ourselves," says Dr Robert Ferrer from the US. Ferrer shows that family
forces may explain up to a quarter of health problems, in his recent research. The genes you get from your
family may cause illness. If one of your parents has a heart attack, your risk of being affected may double.
But effects on health are not only written in our DNA.
Unrelated people who live under the same roof also get similar problems. Diet, lifestyle and environment
affect our health, too. Ferrer"s research also found that if teenagers feel they are ignored or unimportant at
home they are more likely to get sick.
We may never fully understand all the effects that families have on our health. But just as individual (个别
的) problems can have effects on others, a small improvement can have big benefits, Ferrer said. |
| 1. Which of the following can best explain why Wang Xiaoyu fainted in class? |
| [ ] |
A. Because her classmates often quarreled in class.
B. Because her parents used to quarrel.
C. Because of her depression caused by bad family relations.
D. Because her classmates shouted loudly at her. |
| 2. According to Dr Ferrer, which of the following statements is TRUE? |
| [ ] |
A. We get sick or stay well by ourselves.
B. Only the genes we get from our family have a big effect on our health.
C. Our health has nothing to do with diet, lifestyle and environment.
D. Teenagers who are ignored at home get sick more easily than those who are not. |
| 3. The underlined word "coma" in Paragraph2 probably means _____. |
| [ ] |
A. surprise
B. faint
C. tiredness
D. sadness |
| 4. The best title for this passage is _____. |
| [ ] |
A. Family relations
B. The reasons why we get sick
C. Family-another cause to health
D. A research about health |
| 阅读理解。 |
Nowadays many people have to work very hard in order to live a better life. And the harder they work,
the less they pay attention to their health. But it"s very important for us to keep healthy in our everyday life.
Here are some ways for you to follow.
First, you should have a healthy diet. It"s necessary to eat enough fish and vegetables, as they contain
many kinds of vitamin you need every day. Do not eat too much fat, such as butter or anything too fatty.
Too many sweets can do harm to your teeth, so you"d better not eat too many sweets or chocolates and
keep off coffee.
Second, good habits can help you keep fit. Doing regular exercise is certainly a good way to ensure
that your body is healthy. After a day"s work, an eight-hour sleep is needed. And avoid working or studying
too hard. |
1. According to the passage, the reason why many people have to work hard nowadays is that they want
to _____. |
| [ ] |
A. earn a lot of money
B. live a better life
C. pay less attention to their health
D. keep healthy |
| 2. Eating too many _____ can do harm to your teeth. |
| [ ] |
A. fish
B. vegetables
C. sweets
D. carrots |
| 3. Doing the following can help you keep fit except _____. |
| [ ] |
A. doing regular exercise
B. sleeping eight hours a day
C. Keeping good habits
D. working too hard. |
| 4. The best title might probably be _____. |
| [ ] |
A. Keep fit
B. Live a better life
C. Eat more fruit
D. Study too hard |
| 阅读理解。 |
If you"re a male and you"re reading this, congratulations: you"re a survivor. According to statistics, you
are more than twice as likely to die of skin cancer as a woman, and nine times more likely to die of AIDS.
Assuming you make it to the end of your natural term, about 78 years for men in Australia, you"ll die on
average five years before a woman.
There are many reasons for this-typically, men take more risks than women and are more likely to drink
and smoke-but perhaps more importantly, men don"t go to the doctor. "Men aren"t seeing doctors as often
as they should," says Dr. Gullotta, "this is particularly so for the over-40s, when disease tend to strike."
Gullotta says a healthy man should visit the doctor every year or two. For those over 45, it should be at least
once a year. Two months ago Gullotta saw a 50-year-old man who had delayed doing anything about his
smoker"s cough for a year.
"When I finally saw him it had already spread and he has since died from lung cancer," he says, "Earlier
detection and treatment may not have cured him, but it would have prolonged his life." According to a recent
survey, 95% of women aged between 15 and early 40s see a doctor once a year, compared to 70% of men
in the same age group.
"A lot of men think they"re undefeatable," Gullota says, "They only come in when a friend drops dead on
the golf course and they think, "Geez, if it could happen to him…"
Then there"s the ostrich approach. "Some men are scared of what might be there and would rather not
know," says Dr. Ross Cartmill.
"Most men get their cars serviced more regularly than they service their bodies," Cartmill says. He believes
most diseases that commonly affect men could be addressed by preventive check-ups. Regular check-ups
for men would inevitably place strain on the public purse, Cartmill says, "But prevention is cheaper in the long
run than having to treat the diseases. Besides, the ultimate cost is far greater: it is called premature death." |
| 1. Why does the author congratulate his male readers at the beginning of the passage? |
| [ ] |
A.They are more likely to survive serious diseases today.
B.Their average life span has been considerably extended.
C.They have lived long enough to read this article.
D.They are sure to enjoy a longer and happier life. |
| 2. What does the author state is the most important reason men die five years earlier on average than women? |
| [ ] |
A. Men drink and smoke much more than women
B. Men don"t seek medical care as often as women
C. Men aren"t as cautious as women in face of danger
D. Men are more likely to suffer from fatal diseases. |
| 3. Which of the following best completes the sentence "Geez, if it could happen to him…"? |
| [ ] |
A. it could happen to me, too
B. I should avoid playing golf
C. I should consider myself lucky
D. it would be a big misfortune |
| 4. What does Cartmill say about regular check-ups for men? |
| [ ] |
A. They may increase public expenses.
B. They will save money in the long run.
C. They may cause psychological strains on men.
D. They will enable men to live as long as women. |
阅读下面短文。根据短文内容，在表格中第1至第8小题的空格里填上适当的单词，使信息完整。
每空填一个词。 |
Smoking is one of the worst things kids can do to their bodies. Every single day, about 4,000 kids between
the ages of 12 and 17 start smoking. Most junior school students don"t smoke-only about 1 in 10 does. Most
senior school students don"t smoke either-about 1 in 4 does.
But why do those who smoke ever begin? There"s more than just one simple answer. Some kids may start
smoking just because they"re curious. Others may like the idea of doing something that grown-ups don"t want
them to do. Still others might think smoking is a way to act or smoking makes them look like an adult.
Luckily, fewer people are starting to smoke than a few years ago. Maybe that"s because more and more
people have learned that smoking can cause cancer and heart disease. Sometimes kids don"t worry about what
future illness they might get.
Nicotine and other poisonous (有毒的) chemicals in tobacco cause lots of diseases, like heart problems and
some kinds of cancer. If kids smoke, it will hurt their lungs and hearts each time they light up. It can also make
it more difficult for blood to flow in the body, so smokers may feel tired. The longer they smoke, the worse the
damage becomes.
The human body is smart, and it knows when it"s being poisoned. When kids try smoking for the first time,
they often cough a lot and feel pain or burnt in their throats and lungs. This is their lungs" way of trying to
protect them. Also, many kids say that they feel sick to their stomachs or even throw up (呕吐). |
| Title | Kids and Smoking | | Theme (主题) | It"s important to make sure kids understand smoking is bad for their 1______. | 2______ that kids
smoke | * Some kids are just 3______ about smoking.
* Others 4______ to do things that adults forbid (禁止) them to do rather than
do what adults want them to do.
* Still others think smoking is adult behavior and they want to act like an adult.
* Sometimes kids fail to worry about the 5______ they might get in the future. | Damage to the
body | * Cancer and heart disease can be 6______ by smoking.
* Those who smoke may have a 7______ of tiredness.
* The first time kids try smoking, they often cough and feel pain or burnt in their
throats and lungs.
* Smoking can make kids feel 8______ to their stomachs. |
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