阅读材料，然后从各小题所给的四个选项中选出最佳选项。 Many places in the world need fresh water. Eve
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| 阅读材料，然后从各小题所给的四个选项中选出最佳选项。 |
Many places in the world need fresh water. Every country is trying to find ways to turn salt water into
fresh.
Why aren"t there many factories like the Symi factory? In some places, the sun is not hot enough. Or it
does not shine every day.
In such places, other ways of heating sea water can be used. These ways cost more money, but they work
faster than the sun. By boiling sea water with high heat, a lot of fresh water can be made quickly. But heating is
not the only way to get fresh water from salt water. Other ways are tried. One way is freezing. The fresh part
of salt water freezes first. To get fresh water, the bits of ice are taken out. Which way is the best? The one gives
the most water for the least money. It may be a different way for each place.
Symi"s way seems very good for small, hot places. It does not make very much water at a time. But the
factory is easy to build and costs little. That is why people in many dry places talk about Symi! |
| 1. From the passage we know that fresh water________. |
| [ ] |
A. is needed in every country
B. can be found in many factories
C. can be used in many ways
D. is very important for factories |
| 2. What is the writer mainly talking about in the passage? |
| [ ] |
答案
| 1-5 A B A C D |
举一反三
| 阅读理解。 |
When Christie Andrews was born, she weighed less that half of one kilogram. Her heart was the size
of a large coin. Her mother said Christie was so small that she could hold her in the palm of one hand.
Christie couldn"t breathe without a machine to give her oxygen. If she had been born 20 years earlier,
she would probable have died at once. She needed two operations, but she survived without serious damage.
Twenty years ago, 90% of all premature (早产) babies died. Today, doctors manage to save four out
of every five, because they have better machines for breathing and better ways to feed the babies.
But saving Christie"s life cost more than 400,000. In some cases, doctors spend 1 million saving a
single child. The parents usually don"t have enough money to pay. Either the government, an insurance
company or the hospital picks up (支付) the bill.
Even after a baby goes home from the hospital, it may require medical care.
Some people think it makes more sense (更合乎逻辑) to spend money saving 10 adults who have
cancer or other diseases than saving one small baby. But nobody wants to be the doctor who has to tell
parents to their faces, " Sorry, I won"t save your new child." |
| 阅读下面的短文，然后根据文中内容回答问题。 |
Singapore (新加坡) is a small island with a busy city, factories and a large port (港口). Nearly
all of the food is from abroad because the island is so small and it has very few farms. Hay Dairies is
the only goat farm on the island.
Goats are useful animals. They are able to produce milk for us to drink. The milk can also be
used to make many things including cheese, soap and beauty creams. Their meat can be eaten and
their hair can be made into beautiful clothes. Their skin can be made into leather. In some parts of
the world, goats are kept to carry heavy loads (重物).
The, 1,000 goats at Hay Dairies are kept for their milk. The farm was set up by John Hay, a pig
farmer who saw that there was a growing need in Singapore for goat"s milk. One in five children in
Singapore suffers (患病) from Asthma (气喘), a disease which does a lot of harm to the breathing
pathway and leads to a sudden difficulty in breathing that can cause death if not treated quickly. Many
of these children cannot drink cow"s milk as this can start an asthma attack and doctors believe goat"s
milk is healthy choice.
1. How many goat farms are there is Singapore?
2. What can goats be used to do for us according to the story?
3. Who set up Hay Dairies?
4. Why was Hay dairies set up?
5. Why can"t some children drink cow"s milk?
|
| 阅读理解 |
Dear Wei Lin:
It was really good to hear from you again, but I was surprised to learn that you started smoking soon
after you went to the U.S. You said that smoking helps you relax. This might be true, but there are better
ways to relax . And doctors tell us that smoking can only help us relax for a short time.
I remember when you were in Taiwan, you were afraid that the air pollution might harm (对...有害处)
your health. But don"t you think you"re also harming your health when you smoke?
Smoking can hurt other people"s health, too. And I"ve heard that some people have gotten cancer from
second-hand smoke. So for your own health and for the health of others, please give up smoking …
Yours,
Alex |
| 阅读理解。 |
Do you still get free plastic bags from the supermarkets? Things have changed.
China has banned (禁止) free plastic bags at shops and supermarkets, and people have to pay for using
plastic bags. The rule started on June 1st. It came because our country tried to make litter less. Making super-
thin plastic bags has also been banned.
The Chinese once used about 3,000,000,000 plastic shopping bags a day, and they have caused pollution
of the environment. The bags have become a main cause of plastic pollution because they are easy to break and
people throw them away here and there. So the Chinese people are encouraged to bring their own bags for
shopping.
What kind of shopping bag is the best to bring? Some students in chongqing have a good idea. They
make their own shopping bags. They use old clothes to make cloth bags and send to their parents as presents.
They also ask their parents and friends to use cloth bags instead of plastic ones. They think it is their duty to
protect the environment. |
| 1. People in China have to ________ now. |
| [ ] |
A.Throw plastic bags here and there
B.collect plastic bags in the street
C.pay for using plastic bags at shops and supermarkets
D.use free plastic bags at shops and supermarkets |
| 2. China made this rule because plastic bags were bad for the _______ |
| [ ] |
| 阅读短文，回答问题。 |
Jason Queally is one of the fastest men in the world on bicycle. But do you really call the thing in the
picture a bicycle? Well, yes, Jason"s human-powered machine, With its two wheels, is, of course, a bicycle.
Every year, a very important humanpowered bicycle is held in Nevada, USA. The speed of a bike is
measured (测定) for only 200-metres, but players take more than a kilometre to get their bikes going fast. Jason
Queally"s fastest speed for the 200metre race was 103.5 kilometres an hour.
At this year"s race, Jason failed to reach the finishing line. He was speeding along at about 70 kilometres
an hour when he began to lose control of his bike. When he tried to slow down, it began to smoke.Soon the
inside of his bike was filled with smoke.He couldn"t see, and he couldn"t breathe. At 70 kilometres an hour, a
crash could be very serious. Jason was frightened, but he managed to stop the bike safely. He would rapair his
bicycle and try again another time to be the world"s fastest man on a bike. Better luck next time, Jason.
Maybe you"re surprised that these bikes go so quickly, but is it useful? It could be. Cars are becoming
more and more popular, and they are very safe, comfortable and easy to drive, but they also pollute the air in
our cities. Scientists and engineers are learning from fast racing bikes how to make human-powered vehicles
that might be uesful for daily travel.
1. Is Jason"s human-powered machine a bicycle?
2. How often is the human-powered bicycle race held in Nevada?
________________________________________________________________
3. Did Jason stop his bike safely or was he badly hurt?
________________________________________________________________
4. Why did he lose this year"s race?
5. What is the best vehicle for daily travel like according to the writer?
________________________________________________________________ |
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