The United States government wants to know what the public thinks about its finding on the safety of cloned animals.
The Food and Drug Administration says meat and milk from clones of adult animals are safe to eat. They called them “as safe to eat as the food we eat every day.” And when those clones reproduce sexually(有性繁殖), the agency says, their offspring(后代)are safe to eat as well.
The United States this year could become the first country to allow the sale of foods from cloned animals. First，however，the public will have ninety days to comment on three proposed documents. On December 28th the F.D.A. released a long report, called a draft risk assessment, along with two policy documents. The agency says it must receive comments by April 2nd. The F.D.A. seemed ready to act several years ago，but an advisory committee called for more research.
For now，the government will continue to ask producers to honor a request that they do not sell foods from cloned animals.
Clones are still rare. They cost a lot and are difficult to produce. The F.D.A. says most food from cloning is expected to come not from clones themselves, but from their sexually reproduced offspring. It says clones are expected to be used mostly as breeding animals to spread good qualities.
Public opinion studies show most Americans do not like the idea of food from cloned animals. But this research also shows the public know little about cloning. Cloning differs from genetic engineering. A cell taken from a socalled donor animal is grown into an embryo(胚胎)in the laboratory. Next, the embryo is placed into the uterus(子宫)of a female animal. If the process is successful, the pregnancy reaches its full term and a genetic copy of the donor animal is born.
1. From the passage, we know ________.
A. the US government is very cautious about the safety of cloned foods
B. foods from cloned animals are popular in America
C. cloned animals will be easy to produce
D. most foods from cloning are expected to come from clones themselves
2.Who believes that foods from cloning are safe to eat?
A. Most Americans. B. An advisory committee.
C. Critics. D. The F.D.A. .
3. It can be inferred from the last paragraph that _______.
A. cloning has much in common with genetic engineering
B. not every cell taken from a donor animal can grow into a genetic copy
C. the donor animal should be a female one
D. cloned animals grow faster than normal ones
4. Whether the sale of cloned foods is allowed in the US depends on ________.
A. cloning technology
B. the advisory committee’s research
C. public comments
D. the documents of the F.D.A.
根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Avoid Internet Addiction
__1._ Many people suffer from addition to the Internet and have a hard time paying attention to the important things around them. How can we prevent ourselves from going online too much?
Admit you have an addition. __2.__ Realize more and more people in the world are becoming addicted. You are not the only one with this problem. Do not be embarrassed; find others with the same problem and help each other beat it.
Limit your computer time. Make sure not to turn it on too many times a week. Before using your computer, decide on a time limit such as 30 minutes. Set the clock and make sure that you get off the computer when the time is up._ 3.__ Try using the computer at the library. You won’t be as attracted to look at certain websites and they do have a limit on how long you can stay online. _4.__. So you won’t be as attracted to be on the Internet as at home.
__5._ Go for a run with a friend or get exercise some other way. Keep up with the local events in your neighborhood. There may be talks, films, concerts and sports events etc. Find some, as long as it is not on the Internet, and get involved.
A. You will be happier if you use the Internet less.
B. There is no use avoiding the truth.
C. Also, it is a good place to get some good books and magazines to read.
D. Get a hobby or an interest.
E. Internet addition affects a lot of people.
F. Get your family to remind you if you’ve been on a long time.
G. Try to reduce the amount of time by 5 minutes each time.
A group of graduates, successful in their careers, got together to visit their old university professor．Conversation soon turned into complaints about stress in work and life．
Before offering his guests coffee, the professor went to the kitchen and returned with a large pot of coffee and a variety of cups — porcelain, plastic, glass, crystal, some plain looking and cheap, some extremely expensive — telling them to help themselves to the coffee．
When all the students had a cup of coffee in hand, the professor said: "If you noticed, all the nice looking expensive cups were taken up, leaving behind the plain and cheap ones．While it is normal for you to want only the best for yourselves, that is the source of your problems and stress．The fact is that the cup itself adds no quality to the coffee．In most cases it is just more expensive and in some cases even hides what we drink．What all of you really wanted was coffee, not the cup, but you consciously(有意识地） went for the best cups．．．And then you began eyeing each other's cups．
Now consider this: Life is the coffee; the jobs, money and position in society are the cups．They are just tools to hold and contain Life, and the type of cup we have does not change the quality of life we live．Sometimes, by concentrating only on the cup, we fail to enjoy the coffee God has provided us．"God makes the coffee, not the cups．Enjoy your coffee!"The happiest people don't have the best of everything．They just make the best of everything．"
Live simply．Love generously．Care deeply．Speak kindly．Leave the rest to God．
1.What does the underlined word "it" in Paragraph 3 refer to?
A．the nice-looking cup .
B．the ordinary-looking cup .
C．the coffee of good quality .
D．the coffee of poor quality.
2.Why did the professor offer his students coffee with varieties of cups?
A．To give his students many more choices．
B．To teach his students how to enjoy coffee．
C To tell his students the right attitude to life
D．To show the students his collection of cups．
3.According to the professor, the happiest people are the ones who _____．
A．get the best type of coffee cups
B．care about social status and wealth
C．have a wide range of coffee cups
D．make the best of what they have
Shree Bose is one of the most impressive kids graduating from Fort Worth Country Day High School this year. Bose has a large circle of friends, and there’s one who you may have heard of: President Obama. He has twice publicly recognized her achievements in cancer research and spoken with her in the Oval Office.
If that isn’t enough, Bose recently gave a TED Talk about her work with the cancer drug Cisplatin, which also won her first prize at the Google Science Fair and recognition as one of Glamour magazine’s Young Amazing Women of the Year.
After watching her grandfather struggle with liver cancer, Bose was determined to help out in any way she could. As a high school student though, her
scientific choices were limited. She reached out to various hospitals and research centers, but doctors turned down her requests because they felt she was too inexperienced medically.
Only the North Texas Science Health Center respected her determination and chose to guide her. The results were amazing.
Bose chose to study a protein (蛋白质) and its reaction with the cancer drug Cisplatin. She noticed that when she prevented this protein from growing, Cisplatin was allowed to begin destroying cancer cells once again.
“My project not only contributes to the understanding of the relationship between the protein and Cisplatin, but also suggests a newer, more effective treatment for patients who resist Cisplatin,” Bose said.
Bose’s achievements aren’t limited to the lab, though. She was also captain of her swim team and editor-in-chief of her school paper.
Bose is currently getting practical experience at the National Institute of Health and she’ll be attending Harvard in the fall. She plans to study molecular biology and go to medical school. Eventually, she would like to be a doctor.
1.President Obama has spoken with Bose because she ______.
A. gave a TED Talk recently
B. is captain of her swim team
C. has a large circle of friends
D. contributed to the cancer research
2.According to Bose’s research, ______ helps make Cisplatin work better.
A. stopping the protein from growing
B. destroying cancer cells timely
C. using the drug more frequently
D. making the protein react with the drug
3.From the passage, we know that _____.
A. Bose’s research was supported from the start
B. Bose plans to become a doctor in the future
C. Bose will study in the National Institute of Health
D. Bose’s grandfather asked her to do cancer research
4.The passage is mainly about _____.
A. a research on cancer drugs
B. a new effective cancer treatment
C. a doctor who has a promising future
D. a girl who did research on cancer treatment
Su Hua is studying at Cambridge, UK. She has bought a bicycle and is worried about security (安全). Her friend, Kate, found this article and sent it to her.
Introduction A lot of crime is against bicycles. About 150,000 bicycles are stolen every year and most are never found. You can prevent this happening by following a few careful steps. Basic Security Do not leave your bicycle in out-of-the-way places. Always lock (锁上)your bicycle when you leave. Secure it to lampposts or trees. Take off smaller parts and take them with you, for example lights and saddles (车座). Locks Get a good lock. There are many different types in the shops. Buy one that has been tested against attack. Ask for a recommendation from a bike shop. Marking Security marking your bike can act as a deterrent to a thief. It can also help the police find your bicycle. It should be clearly written and include your postcode and your house or flat number. This will provide a simple way to identify your bicycle. Registration There are a number of companies who will security mark your bicycle for you. They will then put your registration number and personal details on their computer database. Then if your bicycle is found it will be easy to contact you. Finally keep a record of the bicycle yourself: its make, model and registration number. You can even take a photograph of it. This will prove the bicycle belongs to you. |
1.Which part of the text gives you information on how to lock up your bicycle when you leave it?
A. Marking. B. Locks.
C. Basic Security. D. Registration.
2.The underlined phrase “act as a deterrent to a thief” means ______.
A. help the police find your bicycle
B. help you recognize your bike
C. stop you worrying about your bike
D. stop someone stealing your bicycle
3.The article advises you to keep a record of your bicycle _______.
A. in the police station and a security company
B. in the bike shop and your computer
C. by yourself and in a security company
D. in a security company and your university
4.The main purpose of this article is _________.
A. to suggest ways of keeping your bicycle safe
B. to tell you what to do if your bicycle is stolen
C. to say why you shouldn’t keep your bicycle in a quiet place
D. to give you advice on where to buy a good lock
When I was nine years old, I loved to go fishing with my dad. But the only thing that wasn’t very fun about it was that he could catch many fish while I couldn’t catch anything. I usually got pretty upset and kept asking him why. He always answered, “Son, if you want to catch a fish, you have to think like a fish.” I remember being even more upset then because, “I’m not a fish!” I didn’t know how to think like a fish. Besides, I reasoned, how could what I think influence what a fish does?
As I got a little older I began to understand what my dad really meant. So, I read some books on fish. And I even joined the local fishing club and started attending the monthly meetings. I learned that a fish is a cold-blooded animal and therefore is very sensitive to water temperature. That is why fish prefer shallow water to deep water because the former is warmer. Besides, water is usually warmer in direct sunlight than in the shade. Yet, fish don’t have any eyelids(眼皮) and the sun hurts their eyes… The more I understood fish, the more I became effective at finding and catching them.
When I grew up and entered the business world, I remember hearing my first boss say, “We all need to think like salespeople.” But it didn’t completely make sense. My dad never once said, “If you want to catch a fish you need to think like a fisherman.” What he said was, “You need to think like a fish.” Years later, with great efforts to promote long-term services to people much older and richer than me, I gradually learned what we all need is to think more like customers. It is not an easy job. I will show you how in the following chapters.
1.Why was the author upset in fishing trips when he was nine?
A. He could not influence a fish as his father did.
B. His father was not patient with him.
C. His father did not teach him fishing.
D. He could not catch a fish.
2.According to the author, fish are most likely to be found _________.
A. in shallow water under waterside trees
B. in deep water on cloudy days
C. in shallow water under sunlight
D. in deep water on sunny days
3.After entering the business world, the author found _________.
A. it easy to think like a customer
B. his first boss’s sales ideas reasonable
C. his father’s fishing advice inspiring
D. it difficult to sell services to poor people
4.This passage most likely comes from _________.
A. a fishing guide B. a millionaire’s biography
C. a novel on childhood D. a popular sales book
