With only about 1, 000 pandas left in the world, China is desperately trying to
题型：不详难度：来源：
Noah’s Ark is aimed at collecting eggs, embryos(胚胎), semen and DNA of endangered animals and storing them in liquid nitrogen. 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 the embryo into a host animal. The entire procedure could take from three to five years to complete.
“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,” 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.”
小题1: 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 |
| A．available panda eggs | B．host animals | C．qualified researchers | D．enough money |
| 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 |
| 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 |
答案
小题1:B
小题1:A
小题1:C
小题1:D
解析
小题1:语义理解题。从第2段内容可知，“诺亚方舟”工程的目标是把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时，将来可以重现这一动物。
小题1:细节题。从第6段第1句话 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 可以做出正确判断。
小题1:主旨题。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。
小题1:判断题。此题B项的干扰性较强，但由于它没有说明是Chinese scientists，所以应排除。A、C项明显与原文不符。根据文章第3段第1句可知答案非D莫属。
举一反三
When I was young, my mother encouraged me to develop and keep friendship with boys in order to build strong relationships. But she told me not to risk a good friendship with a boy with the title of boyfriend. It’ s indeed a wise choice to stay friends with those of the opposite sex. In my opinion, even though some high school relationship might continue after graduation, the probability of them lasting much longer is so slim that there really is not a point to it.
Firstly you have to think about such a question— whether it is p
ossible to hurt both of you, or even hurt both of your future husbands or wives. My second point is that you still can date if you hope marriage could possibly follow. Except this, there really is not any other reason for dating. Some students desire relationships for a chance to be romantic. While these are nice to have, there are many more important things at this point in our lives.The titles of boyfriend and girlfriend put too much stress on a relationship between high school students. Just staying as common friends may be the best choice for us. I strongly recommend we should deal with it in an appropriate way and follow our teachers’ advice if necessary.
小题1:The author writes this passage probably for to read.
| A．high school students | B．school teachers |
| C．parents and teachers | D．married couples |
| A．weaker | B．safer | C．slimmer | D．stronger |
| A．Dating is a nice chance for students to be romantic. |
| B．Studying is far more important than dating in school. |
| C．In high school dating can surely lead to future marriage. |
| D．Dating in high school is sure to hurt your future family. |
| A．the title of boyfriend or girlfriend at school |
| B．advice given by both teachers and parents |
| C．the pressure from school lessons and sports |
| D．the relationship between students of opposite sexes |
Now researchers have found that people with musical training have an easier time learning Chinese. Writing in the online edition of Nature Neuroscience，researchers from Northwestern University say that both skills draw on the same parts of the brain that help people discover ch
anges in pitch(音调)．One of the study’s authors，Nina Kraus，said the findings suggested that studying music “actually tunes our sensory system”．This means that schools that want children to do well in languages should hesitate before cutting music programs，Dr.Kraus said. She said music training might also help children with language problems.
Mandarin(普通话)speakers have been shown to have a more complex encoding(编码) of pitch patterns in their brains than English speakers do. This is because in Mandarin and other Asian languages，pitch plays a central role. A singlesyllabl
e word can have several meanings depending on how it is intoned.For this study，the researchers looked at 20 nonChinese speaking volunteers，half with no musical background and half who have studied an instrument for at least six years.
As they were shown a movie，the volunteers also heard an audio tape of the Mandarin word “mi” in three of its meanings：squint，bewilder and rice. The researchers recorded activities in their brain stems to see how well they were processing the sounds. Those with a music background showed much more brain activities in response to the Chinese sounds.
The lead author of the study，Patrick C．M.Wong，said it might work both ways. It appears that native speakers of tonal languages may do better at learning instruments.
小题1:When learning Chinese，a foreigner will find ________.
| A．he has a difficult time learning music at the same time |
| B．he has an easier time learning music at the same time |
| C．it is hard to master the tones required to speak and understand |
| D．it is easy to use the brain to help him discover changes in pitch |
| A．Because there is the same difficulty in learning Chinese and music. |
| B．Because skills to learn the two make use of the same parts of the brain. |
| C．Because music training might help people with language study. |
| D．Because people who do well in Chinese study do well in music. |
| A．created | B．spelled |
| C．seemed | D．pronounced |
| A．Mandarin Speakers Are Smarter than English Speakers |
| B．Skilled Ear for Music May Help Language Study |
| C．Pitch Plays a Central Role in Chinese Learning |
| D．Schools Need to Develop Music Programs |
The whole-word approach to reading stresses the meaning of words over the meaning of letters, thinking over decoding, developing a sight vocabulary of familiar words over developing the ability to unlock the pronunciation of unfamiliar words．It fits in with the self-directed, “learning how to learn” activities recommended by advocates of “open” classrooms and with the concept that children have to be developmentally ready to begin reading．Before 1963, no major publisher put out anything but these “Run-Spot-Run” readers．
However, in 1955, Rudolf Flesch touched off what has been called “the great debate” in beginning reading．In his best-seller Why Joh
nny Can’t Read, Flesch indicted（控诉）the nation’s public schools for miseducating students by using the look-say method．He said – and more scholarly studies by Jeane Chall and Rovert Dykstra later confirmed – that another approach to beginning reading, founded on phonics, is far superior．Systematic phonics first teaches children to associate letters and letter combinations with sounds; it then teaches them how to blend these sounds together to make words．Rather than building up a relatively limited vocabulary of memorized words, it imparts a code by which the pronunciations of the vast majority of the most common words in the English language can be learned．Phonics does not devalue the importance of thinking about the meaning of words and sentences; it simply recognizes that decoding is the logical and necessary first step．
小题1:The author indicts the look-say reading approach because ________．
| A．it overlooks decoding |
| B．Rudolf Flesch agrees with him |
| C．he says it is boring |
| D．many schools continue to use this method |
| A．look-say is simpler |
| B．Phonics takes longer to learn |
| C．look-say is easier to teach |
| D．phonics gives readers access to far more words |
| A．talk about shortly | B．start or cause |
| C．compare with | D．oppose |
Charter schools are self-governing. Private companies operate some charter schools. They are similar in some ways to traditional public schools. They receive tax money just as other public schools do. Charter schools must prove to local or state governments that their students are learning. These governments provide the schools with the agreement called a charter that permits them to operate.
Charter schools are different because they do not have to obey most laws governing traditional public schools. Local, state or federal governments cannot tell them what to teach. Each school can choose its own goals and decide the ways it wants to reach them. Class size is usually smaller than in traditional public schools.
The Bush Administration strongly supports charter schools as a way to re-organize public schools that are failing to educate students. But some education agencies and unions oppose charter schools. One teachers’ union has just made public the results of the first national study comparing the progress of students in traditional schools and charter schools.
The American Federation of Teachers criticized the government’s delay in releasing the results of the study, which is called the National Assessment of Educational Progress. Union education experts say the study shows that charter school students performed worse on math and reading tests than students in regular public schools.
Some experts say the study is not a fair look at charter schools because students in those schools have more problems than students in traditional schools. Other education experts say the study results should make charter school officials demand improved student progress.
小题1:If a private company wants to operate a charter school, it must .
| A．try new methods of teaching | B．prove its management ability |
| C．obey the local and state laws | D．get the government’s permission |
| A．they make greater progress | B．their class size is smaller |
| C．they enjoy more freedom | D．they oppose traditional ways |
| A．Doubtful. | B．Supportive. | C．Subjective. | D．Optimistic. |
| A．More students choose to attend charter schools. |
| B．Charter schools are better than traditional schools. |
| C．Students in charter schools are well educated. |
| D．People have different opinions about charter schools. |
| A．charter schools are part of the education system |
| B．one-on-one attention should be paid to students |
| C．the number of charter schools will be limited |
| D．charter schools are all privately financed |
Researchers have been studying this group of children for decades now. They observed the level of self-control the youngsters displayed. Parents, teachers, even the kids themselves, scored the youngsters on measures like “acting before thinking” and “Persistence in reaching goals.”
The study led by Moffitt of Duke University and colleagues followed 1,000 children from birth to age 32 in Dunedin, New Zealand.
“The children who had the lowest self-control when they were age three to ten, later on had the most health problems in their 30s,” Moffitt said，“and they had the worst financial situation. They were more likely to have a criminal record and to be raising a child as a single parent on a very low income.” Moffitt explained that self-control problems were widely observed, and weren’t just a feature of a small group of misbehaving kids.
Moffitt said it’s still unclear why some children have better self-control than others, though she said other researchers have found that it’s mostly a learned behavior, with relatively little genetic influence. But good self-control can be set to run in families because children with good self-control are more likely to grow up to be healthy and prosperous parents. But the good news, Moffitt said, is that self-control can be taught by parents, and through school curricula that have been shown to be effective.
小题1:From the first two paragraphs we learn that .
| A．the research has been carried out for five years |
| B．self-control in kids tends to determine their future |
| C．self-control was assessed by children’s intelligence |
| D．children’s self-control is almost the same at early age |
| A．become wealthy in later life | B．get good school performance |
| C．have better financial planning | D．adopt negative behaviors |
| A．only good genetic factors can shape their lives in the future |
| B．scientists know well why some children have better self-control |
| C．self-control in childhood has nothing to do with criminal activity |
| D．willpower as a child really influences people’s chances of adulthood |
| A．Self-control cannot be taught in schools. |
| B．The study is restricted within few participants. |
| C．It’s never too late to deal with self-control problems. |
| D．Good parenting can improve self-control and life success. |
| A．Child’s self-control predicts future health and success |
| B．Kids are encouraged to take risks at an early age |
| C．Children’s development cannot be changed by teachers |
| D．How to teach the kids a bit of self-control in schools |
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