With only about 1, 000 pandas left in the world, China is desperately trying to clone(克隆) the animal and save the endangered species. That’s a move similar to what Texas A & M University researchers have been undertaking(承担) for the past five years in a project called “Noah’s Ark”.
Noah’s Ark is aimed at collecting eggs, embryos(胚胎), semen and DNA of endangered animals and storing them in liquid nitrogen(氮). If certain species should become extinct, Dr. Duane Kraemer, a professor in Texas A & M’s College of Veterinary Medicine, says there would be enough of the basic building blocks to reintroduce the species in the future.
It is estimated that as many as 2, 000 species of mammals, birds, reptiles will become extinct in over 100 years. The panda, native only to China, is in danger of becoming extinct in the next 25 years.
This week, Chinese scientists said they grew an embryo by introducing cells from a dead female panda into the egg cells of a Japanese white rabbit. They are now trying to implant(植入) the embryo into a host animal.
The entire procedure could take from three to five years to complete.
“The nuclear transfer(核子移植) of one species to another is not easy, and the lack of available(capable of being used) panda eggs could be a major problem,” Kraemer believes. “They will probably have to do several hundred transfers to result in one pregnancy (having a baby). It takes a long time and it’s difficult, but this could be groundbreaking science if it works. They are certainly not putting any live pandas at risk, so it is worth the effort,” adds Kraemer, who is one of the leaders of the Project at Texas A& M, the first-ever attempt at cloning a dog.
“They are trying to do something that’s never been done, and this is very similar to our work in Noah’s Ark. We’re both trying to save animals that face extinction. I certainly appreciate their effort and there’s a lot we can learn from what they are attempting to do. It’s a research that is very much needed.”
64. The aim of “Noah’s Ark” project is to _______.
A. make efforts to clone the endangered pandas
B. save endangered animals from dying out
C. collect DNA of endangered animals to study
D. transfer the nuclear of one animal to another
65. According to Professor Kraemer, the major problem in cloning pandas would be the lack of _______.
A. available panda eggs B. host animals
C. qualified researchers D. enough money
66. The best title for the passage may be _______.
A. China’s Success in Pandas Cloning
B. The First Cloned Panda in the World
C. Exploring the Possibility to Clone Pandas
D. China —the Native Place of Pandas Forever
67. From the passage we know that _______.
A. Kraemer and his team have succeeded in cloning a dog
B. scientists try to implant a panda’s egg into a rabbit
C. Kraemer will work with Chinese scientists in clone researches
D. about two thousand of species will probably die out in a century
Ⅳ.阅读理解（第一节共20小题，每小题1.5分，满分30分；第二节共5小题，每小题1分，满分5分。两节满分共35分）
Just because you are in a wheelchair doesn’t mean you can’t enjoy the competitiveness(竞争) —the all-around fun —that playing sports offers you. More and more wheelchair users are playing sports every day —some even on a professional level. The following are just a few examples of the different choices you 
have.
Wheelchair basketball is a very common wheelchair sport. It was started over forty years ago as part of a medical recovery(康复) program. Over the years it has grown rapidly. Today wheelchair basketball is a professional sport that has more than 180 teams across the United States. In order to play wheelchair basketball, it is essential to have a lightweight wheelchair. Several different kinds of sports wheelchairs are on the market today just for sports fans.
Another wheelchair sport, quad rugby(橄榄球), was specifically designed for people who can’t move their arms or legs and are unable to play wheelchair basketball. It is a mixture of wheelchair basketball and ice hockey. To play the game you must have two teams of four players each.
Power soccer is another fun wheelchair sport that can be very fun and exciting. Players in power soccer must have an electric wheelchair. Two teams have two 30-minute halves to push the soccer ball over the other team’s goal line. The first team to reach the other team’s goal line most frequently wins.
Based on the sport you choose to take part in, there are several things you can buy for your wheelchair, including belts, gloves, bags for carrying things, drink holders and special back supports.
61. In which part of the newspaper will you read this passage?
A. Technology. B. Society. C. Culture. D. Health.
62 In the beginning, wheelchair basketball was started for the purpose of ______.
A. holding p
rofessional games around the US
B. spreading the sport all over the US
C. helping patients return to a normal life
D. making people want to play sports
63. What is the main idea of the passage?
A. To introduce some possible sports to wheelchair users.
B. To introduce some products to the wheelchair users.
C. To encourage wheelchair users to compete with each other.
D. To talk about the differences between these sports.
I arrived at my mother’s home for our Monday family dinner. The smells of food flew over from the kitchen. Mother was pulling out quilt(被子)after quilt from the boxes, proudly showing me their beauties. She was preparing for a quilt show at the Elmhurst Church. When we began to fold and put them back into the boxes, I noticed something at the bottom of one box. I pulled it out. “What is this?” I asked.
“Oh?” Mom said, “That’s Mama’s quilt.”
I spread the quilt. It looked as if a group of school children had pieced it together; irregular designs, childish pictures, a crooked line on the right.
“Grandmother made this?” I said, surprised. My grandmother was a master at making quilts. This certainly didn’t look like any of the quilts she had made.
“Yes, right before she died. I brought it home with me last year and made some changes,” she said. “I’m still working on it. See, this is what I’ve done so far.”
I looked at it more closely. She had made straight a crooked line. At the center of the quilt, she had stitched(缝) a piece of cloth with these words: “My mother made many quilts. She didn’t get all lines straight. But I think this is beautiful. I want to see it finished. Her last quilt.”
“Ooh, this is so nice, Mom,” I said.
It occurred to me that by completing my grandmother’s quilt, my mother was honoring her own mother. I realized, too, that I held in my hands a family treasure. It started with the loving hands of one woman, and continued with the loving hands of another.
68. Why did the author go to mother’s home?
A. To see her mother’s quilts. B. To help prepare for a show.
C. To get together for the family dinner. D. To discuss her grandmother’s life.
69. The author was surprised because __________________.
A. the quilt looked very strange. B. her grandmother liked the quilt.
C. the quilt was the best she had seen. D. her mother had made some changes
70. The underlined word “crooked” in the passage most probably means __________ .
A. unfinished B. broken C. bent D. unusual
71. Which of the following would be the best title for the passage?
A. Quilt Show B. Mother’s Home C. A Monday Dinner D. Grandmother’s Quilt
Opening week specials at Munchies Food Hall.
At the corner of Green and Brown Streets in the city
Monday 7th of January until Sunday.13rd of January 2008
|
Feast until you’re full! Come down to Monetizes time week to enjoy the special dishes on offer it all of our food outlets. Order from the following:
●Succulent chicken rice ●spicy stays beefIn the future your automobile will run on water instead of gas! You will be able to buy a supercomputer that fits in your pocket! You might even drive a flying car!
For each prediction that has come true today, several others have missed by a mile. Many of these predictions didn’t consider how people would want to use the technology, or if people really needed it in their lives or not. Let’s look at some predictions from the not-too-distant past.
Robot Helpers
Where’s the robot in my kitchen? Nowhere, of course. And he’s probably not coming anytime soon. Robots do exist today, but mostly in factories and other manufacturing environments.
Back in the 1950s, however, people said that by now personal robots would be in most people’s homes.
So why hasn’t it happened? Probably because robots are still too expensive and clumsy. And maybe the idea of robots cooking our dinners and washing our clothes is just too weird. At home we seem to be doing fine without them.
Telephones of Tomorrow
In 1964 an American company introduced the video telephone. They said by the year 2000 most people would have a video phone in their homes. But of course the idea hasn’t caught on yet.
Why? The technology worked fine, but it over—looked something obvious: people’s desire for privacy. Would you want to have a video phone conversation with someone after you just step out of the shower? Probably not---it could be embarrassing! Just because a technology available doesn’t always mean people will want to use it.
And finally, how about that crazy prediction of the flying car? It’s not so crazy anymore! But a flying car remains one of the most fascinating technology ideas to capture our imagination. Keep watching the news, or perhaps the sky outside your window, to see what the future will bring.
61. The whole passage is mainly about ________________.
A. predictions that have come true. B. predictions that haven’t come true.
C. why predictions don’t come true easily. D. what technology will bring about.
62. The author of this passage won’t believe that _________________.
A. predictions needn’t consider people’s practical use of technology.
B. the future isn’t always easy to guess. C. not all past predictions have come true.
D. many of the high—tech things our parents thought we’d be using by now
simply never appeared.
63. The underlined word “weird” probably means __________.
A. wonderful B. stupid C. practical D. strange
64. What does the author think of the flying car?
A. It is too difficult to imagine. B. It is too crazy an idea.
C. It is likely to be made. D. It is often reported in the news.
The sea has always interested man. From it he can get food, minerals, and treasure. For thousands of years, he could sail on it. But he could not go far beneath its surface.
Man wants to explore deep into the sea. However, he is not a fish. He must breathe air, so he can’t stay under the water’s surface for any length of time. To explore deep water, man faces even more dangers and problems.
A diver who wants to stay under water for more than a few minutes must breathe air or a special mixture of gases. He can wear a diving suit and have air pumped to him from above. He can carry a tank of air on his back and breathe through a hose(软管) and a mouthpiece. Water weighs 800 times as much as air. Tons of water pushes against a diver deep in the sea. His body is under great pressure.
When a diver is under great pressure, his blood takes in some of the gases he breathes. As he rises to surface, the water pressure becomes less. If the diver rises too quickly, the gases in his blood form bubbles(气泡). The diver is then suffering from the bends(潜函病). The bends can cause a diver to double up in pain. They can even kill him.
57. On the whole, this text is about _________.
A. special mixtures of gases in deep sea. B. the problems a diver faces in deep sea.
C. air pressure under the surface of sea water.D. a kind of illness that man suffers in the sea.
58. The text does not say so, but it makes you think that ____________.
A. deep-sea divers should be in good health.
B. divers explore the deep sea only for treasure.
C. there is a special mixture of gases under the sea.
D. diving under the water too quickly causes a kind of illness.
59. Why does a diver get the bends?
A. The air in his blood is used up. B. His diving suit weighs too much.
C. He comes to the surface too quickly. D. He tries to do exercise under the sea.
60. From the text we can learn that _____________.
A. man cannot stay under water for more than a few minutes.
B. the sea began to interest man in the last few years.
C. all divers will get the bends sooner or later.
D. the bends may kill a diver.