1、It is estimated that as many as 2000 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
2、 into the egg cells of a Japanese white rabbit. They are now trying to implant 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) pan
3、da 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 its difficult,but this could be groundbreaking science if it works. They are certainly not putting any live pandas at ris
4、k, 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 thats never been done,and this is very similar to our work in Noahs Ark.Were both trying to save animals that face extinction.
5、I certainly appreciate their effort and theres a lot we can learn from what they are attempting to do. Its a research that is very much needed.”1The aim of“Noahs Ark” project is to_.Amake effort to clone the endangered pandasBsave endangered animals from dying outCcollect DNA of endangered animals t
6、o studyDtransfer the nuclear of one animal to another答案:B细节理解题。从第二段内容可知,“诺亚方舟”工程的目标是濒临灭绝的动物的蛋(卵)、胚胎、精液和DNA储存在液体氮中,如果某一种动物濒临灭绝,将来可以重现这一动物,因此正确答案为B项。2According to Professor Kraemer,the major problem in cloning pandas would be the lack of_.Aavailable panda eggsBhost animalsCqualified researchersDenough
7、 moneyA细节理解题。从第六段第一句话“The nuclear transfer of one species to another is not easy,and the lack of available(capable of being used)panda eggs could be a major problem”可以作出正确判断,故正确答案为A项。3The best title for the passage may be _.AChinas Success in Pandas CloningBThe First Cloned Panda in the WorldCExplor
8、ing the Possibility to Clone PandasDChinathe Native Place of Pandas ForeverC主旨大意题。从文章内容来看,无论是中国还是世界克隆熊猫还没有成功,所以排除A、B项;D项内容明显与文章内容不符,故排除。所以“探索克隆熊猫的可能性”应该是这篇文章的标题,因此正确答案为C项。BHsieh,a neversaydie young man, has mastered the technique of painting by holding the paintbrush in his mouth. When he was sixtee
9、n, Hsieh had a terrible electrical accident. Both of his arms and the lower part of his right leg were cut off. He also lost sight in his right eye. But Hsieh didnt lose heart. He decided to learn art,and took the first difficult step toward changing his life.“At first,I tried to hold a pen in my mo
10、uth. But I couldnt control it,” Hsieh said, “Finally, after trying over and over again, I learned to write my own name.” Learning to paint was even more difficult. At first, every brushstroke he made caused deep cuts in his mouth. It was extremely painful. But Hsieh didnt let the pain discourage him
11、. “Instead,I held the paintbrush even tighter,” Hsieh explained in a firm voice. “I knew if I gave up,it would not only be the end of my painting,but also the end of my struggle for a better life.” No matter what the obstacle(障碍) is, Hsieh always manages to find the bright side of a situation.Hsieh
12、works hard to inspire others. He is a tireless lecturer, giving about four hundred formal speeches a year! “If a person like me can lead a happy life,” Hsieh explained, “Why would regular people feel unhappy? It_doesnt_always_take_two_arms_to_achieve_your_dreams. All it takes is a warm heart.”4What
13、happened to Hsieh when he was young?A. He was struck by electricity.B. His left leg was hurt.C. He lost heart because of failure.D. He was ill for two months.A从“when he was sixteen.”一句中得知,他16岁时遭受了电击事故。故A项正确。5Which of the following is right?A. Hsieh once got the help from the government.B. Only such
14、a person like Hsieh can succeed.C. He touched himself before he began to paint.D. It doesnt always take two arms to realize ones dreams.DHsieh失去双臂,但是自强不息,克服难以想象的困难。用嘴咬着画笔练习,最后成为画家,一举成名。D项正合此意。“要想实现梦想并不一定非用双手不可。”文章中没有谈到A项的内容;B项中的only限制了范围;C项文中没有提及。6Which is the best title of the passage?A. How to lea
15、rn paintingB. A painter without handsC. A young man who was hurtD. How to make oneself wellknownB本文讲了一个残疾人成为画家的过程。B项作为题目,点出了文章主人公的特点,按照常理,画是用手画出来的,没有双手的画家作题目,可以强烈地吸引读者。7What does the sentence “It doesnt always take two arms to achieve your dreams” mean?A. Only one arm can achieve ones goal.B. A ligh
16、t heart lives long.C. Disabled people can also succeed.D. Dream can be turned into reality.C该句说明残疾人也能够取得成功。C项正是此意。A项表述本身便不合理;B项译为“静以修身或豁达者长寿”;D项译为“梦想成真”。B项和D项与本文无关。CYoga is an ancient practice that helps create a sense of union in body, mind, and spirit. It brings us balance. After a long time of pr
17、actice of yoga, you no longer just practice ityou live it.Yoga becomes part of your physical life. Your body grows stronger, more toned, and more flexible as you move from one asanaor poseto another. I spent a week in Mexico at a yoga retreat, and it was the first vacation on which I lost weight. “R
18、ather than building muscles, yoga builds muscle tone,” says Shakta Kaur Khalsa, author of KI.S.S. Guide to Yoga. “Because yoga helps maintain a balanced metabolism (新陈代谢), and it also helps to control weight. Additionally, yoga stretches muscles lengthwise, causing fat around the cells disappear, th
19、us losing weight.”I do yoga poses throughout the day. After hours at my computer, I stretch my stiff shoulders and arms. When I need an increase in energy, I do energizing poses. When I am feeling exhausted at the end of the day, I do restorative (恢复体力的) poses.Yoga becomes part of your mental life.
20、Yoga teaches you to focus on breathing while you hold the poses. This attention to breath is calming; it dissolves stress and anxiety. I use yogic breathing on the tennis court, in the dentists chair, and when Im stuck in traffic.You should always leave a yoga practice feeling energized, but not tir
21、ed. If you feel tired after yoga, it means you spent the time “fighting” yourself, trying to force yourself into poses. In yoga, you “surrender” to the poses by letting go of the tension.8What will be talked about if this passage continues?AYoga becoming part of your spiritual life.BYoga becoming po
22、pular all over the world.CThe disadvantages of yoga.DEncouraging people to do yoga.A推理判断题。根据短文第一段可知瑜伽将成为我们的身体(body)、头脑(mind)和精神(spirit)方面的一部分。本文主要讲述瑜伽对于人们身体、头脑的好处,接下来应该讲述它对于人们精神方面的好处。9According to the second paragraph, yoga can help people _.Agrow tallBlose weightCbe flexible in thinkingDmake friend
23、s由第二段后半部分中的lose weight, causing fat around the cells disappear可知瑜伽有助于减肥。10Why does a person feel tired after yoga?ABecause when practicing yoga, people will consume a lot of energy.BBecause he or she surrenders to the poses by letting go of the tension.CBecause yoga doesnt benefit all the people.DBe
24、cause he or she doesnt do yoga poses naturally.D推理判断题。根据最后一段可知,人们在进行了瑜伽锻炼后感到疲惫的原因是他们做练习的时候没有放松身心。11What would be the best title for this passage?AWhats yoga?BHow I do yoga poses?CThe benefits of yoga.DThe varieties of yoga.C标题概括题。文章第一句是本文的主题句,主要讲述练习瑜伽对于人们的好处。DIn the laboratory,when you are carrying
25、experiments out, you may get injury when some accident happens, like chemical burns, gas poisoning, etc. So giving first aid treatment as soon as possible to the injured people may help.Now, I want to discuss some common injuries and their first treatment, so that you can have some ideas when accide
26、nt happens.Chemical Burns:1. Use water only for the first aid in treating chemical burns.2. Wash the injured area with running water for at least 10 minutes. This can prevent further damage to the burnt tissue.Cuts and Bleeding:1. Remove the dirt or glass, wash under running water and apply clean, d
27、ry, sterile(消过毒的) dressing in minor cases.2. In serious cases, let the patient lay down with the injured part. Apply pressure to the wound with a firm bandage. Remember, call the ambulance at once.Heat Burns or Scalds:1To reduce the pain, cool the injured area with lots of cold water.2Do not apply a
28、ny chemical.3Use dry, sterile gauze or lint dressing and then apply a bandage to cover the area.4Smothers the fire with a blanket if clothes get fire.Eye Injury:1Spray the injured eye by water for several minutes.2Seek medical treatment.Gas Poisoning:1Carry the patient into the fresh air.2If the poi
29、soning is due to breathing in bromine or chlorine, let the patient breath in fumes of dilute ammonia solution(稀氨水溶液) and drink milk.Solid or Liquid Poisoning:1Spit the poison out if the poison is still in the month, and wash the mouth with plenty of water.2If the poison is swallowed, drink plenty of water or milk. Seek medical treatment at once.Anyway, if you carry experiments out carefully, the chance of getting accidents would lower.12What does
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