阅读理解。 The blue tits (山雀) have been inspecting the nest-box again this year.

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阅读理解。     The blue tits (山雀) have been inspecting the nest-box again this year. The male is the house-hunter but the female will make the final choice. He lands at the hole and turns his head to expose his white cheeks as a signal to attract the female from where she has been feeding. Among many birds that nest in holes, the
male has a light-coloured patch on its plumage (鸟羽) which acts as signal for drawing the female"s
attention to a suitable nesting-place. Unlike the blue tit, the redstart (红尾鸲) may be only the male that
strikingly coloured and the female is not beautiful.
     A few years ago I was lucky enough to spot a pair of redstarts in action in a Walsh wood. The male
was leading an interested female to holes that he had previously (先前) checked out. He sat at the
entrance of each hole and put his head on to show off his white forehead, or his head in to reveal (显露)
his tail.
     If the female failed to react to his visual signals, the male sometimes sang for extra effect, while gliding towards her on spread wings and tail. Once the female accepts by following the male through the hole the
displays stop, you must be at the right place at the right time to watch them.   1. How do the blue tits choose their nest?A. They choose their nest together.
B. The male chooses their nest.
C. The house-hunter chooses their nest.
D. The female chooses their nest.2. The writer was lucky to see _____. A. how the male made his tricks
B. how an interested female played with the male happily
C. what the male displayed and won the female
D. that the male tried his best but failed to attract the female 3. You can spot a pair of redstarts in a Walsh wood _____. A. at any time
B. regularly
C. in April
D. occasionally

4. The writer is probably _____.

A. a bird expert
B. a bird-hunter
C. a bird raiser
D. a scientist

答案

1-4 DCDA

举一反三

阅读理解。     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 (物种). That"s a move similar to what a Texas A & M University
researchers have been undertaking 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. 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 (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."    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 2. 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   3. 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 Forever4. 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

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阅读理解。     Do you want to live another 100 years or more? Some exports say that scientific advances will one day enable humans to last tens of years beyond what is now seen as the natural limit of the human life span.
     "I think we are knowing at the door of immortality (永生)." said Michael Zey, a Montclair State
University business professor and author of two books on the future. "I think by 2075____________________________ and that"s  a conservative estimate (保守估计的).”
     At the conference in San Francisco, Donald Louria, a professor and author at New Jersey Medical
School in Newwark said advances in using genes as well as nanotechnology (纳米技术) make it likely
that humans will live in the future beyond what has been possible in the past. "There is a great push so that people can live from 120 to 180 years." He said. "Some have suggested that there is no limit and that
people could live to 200 or 300 or 500 years."
     However, many scientists who specialize in aging are doubted about it and say the human body is just
not designed to last past about 120 years. Even with healthier lifestyles and less disease, they say failure of the brain and organs will finally lead all humans to death.
     Scientists also differ on what kind of life the super aged might live. "It remains to be seen if you pass
120, you know; could you be healthy enough to have good quality of life?" said Leonard Poon, director of the University of George Gerontology Centre. "At present people who could get to that point are not in
good health at all."1. What is the best title of the passage? (Please answer within 10 words)
_______________________________________________________________________________
2. Which sentence in the passage can be replaced by the following one? We have got some ideas about living longer.
_______________________________________________________________________________
3. Please fill in the blank in the second paragraph with proper words or phrases to complete the sentence. (Pease answer with 10 words)
_______________________________________________________________________________
4. Do you think it is possible for humans to live longer in the future? (Please answer within 30 words)
_______________________________________________________________________________
5. Translate the underlined sentence in the last paragraph into Chinese.
_______________________________________________________________________________

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阅读理解。      Researchers have found more evidence that suggests a relationship between races and rates(率)
of lung cancer among smokers. A new study shows that black people and Native Hawaiians are more
likely to develop lung cancer from smoking. It compared their risk to whites, Japanese-Americans and
Latinos.
     Researchers at the University of Southern California and the University of Hawaii did the new study.
The New England Journal of Medicine published the findings. The eight-year research studied more than
180,000 people. They included present and former smokers and people who never smoked. Almost
2.000 people in the study developed lung cancer.
     Researchers say genetics(遗传学) might help explain the racial and ethnic(种族的) differences.
There could be differences in how people"s bodies react to smoke. But environmental influences,
including the way people smoke, could also make a difference.
      African-Americans and Latinos in the study are reported smoking the fewest cigarettes per day.
Whites are the heaviest smokers. But the scientists point out that blacks have been reported to breathe
cigarette smoke more deeply than white smokers. This could fill their lungs with more of the chemicals
in tobacco that cause cancer.
      Scientists know that some diseases effect different groups differently. And some drug companies
have begun to develop racially targeted(针对) medicines. Last June, the United States Food and Drug
Administration approved a drug designed to treat heart failure in black patients. The name is BiDil. The
agency called it "a step toward the promise of personalized medicine." 1．Which of the following orders is from higher to lower risk of having lung cancer?A．Whites-Native Hawaiians
B．Africans-Americans-Latinos
C．Asians-Native Hawaiians
D．Africans-Americans-Native Hawaiians2．Researchers agree that it is      that may probably determine black people"s risk of lung cancer.A．the larger amount of smoking than white people
B．the living style or habit of the blacks
C．the depth of cigarette smoke into their lungs
D．the physical strength to react to cigarette smoke3．People in the new study are made up of          .A．heavy smokers in America
B．the black and white people
C．the Asians and Hawaiians
D．smokers and non-smokers4．The production of BiDil referred to in the last paragraph is to      .A．explain different races react to some diseases differently
B．tell the readers that racial differences exist in smokers
C．show a big step people have taken in the medicine area
D．support the idea that it is easy for blacks to have cancers5．Which of the following statements is TRUE according to the author?A．The way of smoking may increase the risk of lung cancer.
B．Race has nothing to do with the risk of having a lung cancer.
C．The research was started by the New England Journal of Medicine.
D．The risk of lung cancer lies I how much a person smokes.

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     There is one language that is used in every country in the world. The people who use it are young and
old, short and tall, thin and fat. It is everybody"s second language. It is easy to understand, although you
can"t hear it. It is sign language.
     When you wave to a friend who is across the street, you are using sign language. When you smile at someone, you are saying, "I want to be friendly", but you are not using speech. You are using sign language. When you raise your hand in class, you are saying, "Please ask me. I think I know the correct answer."
      Babies who can"t talk can point at things. They are using sign language. A policeman who wants to
stop traffic holds up his hands. He is using sign language.
     Many years ago, a French priest, Charles Michel de Epee, became interested in education for deaf
people. He invented a finger alphabet (字母表). It is still in use. People can make the sign for letters and
spell words with their hands, and deaf people can read and understand them. Soon there were schools for the deaf in many countries. The only university for the deaf is Gallaudet College in Washington, D.C.
     Today, in the United States, there are special TV news programs for deaf people. The newsreader tells the news in sign language. At the same time, the words appear on the TV screen.
     The actors in the Theatre of Deaf don"t spell every word. Sometimes they use hand signs. When they
put two hands together, it means sandwich. They can make a roof with their hands when they want to
show a house. One finger in front of an actor"s mouth can mean quiet. You can talk to people who are
behind windows that are closed. And when you go swimming with your friends, you can have
conversations under water.
     How many hand signs do you use every day?1. Which of the following about sign language is TRUE? A. It is a special language used in a few countries in the world.
B. It is a way to express one"s ideas without words.
C. It is only used by the deaf.
D. It can be heard.2. If you want to express the idea that "I am very friendly" to someone, you will _____.A. raise your hand
B. put one hand onto the other
C. smile to the person
D. make a roof with your hands3. Which of the following is TRUE according to the passage?A. Hand signs instead of finger signs are used everyday.
B. There are schools, colleges and universities for the deaf in the USA.
C. The French priest Charles invented sign language.
D. Even babies are using sign language. 4. The passage is mainly about ______.A. an introduction to sign language
B. the importance of sign language
C. a famous priest in France
D. how to use sign language

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阅读理解。

     The gift of being able to describe a face accurately is a rare one, as every experienced police
officer knows to his cost. As the Lancet put it recently, "When we try to describe faces precisely,
words fail us, and we resort to identikit (拼脸型图) procedures."
     Yet, according to one authority on the subject, we can each probably recognize more than
1,000 faces, the majority of which differ in fine details. This, when one comes to think of it, is a
tremendous feat, though, curiously enough, relatively little attention has been devoted to the
fundamental problems of how and why we acquire this gift for recognizing and remembering faces.
Is it an inborn property of our brains, or an acquired one? As so often happens, the experts tend
to differ.
     Thus, some argue that it is inborn, and that there are "special characteristics about the brain"s
ability to distinguish faces". In support of this, they note how much better we are at recognizing a
face after a single encounter than we are, for example, in recognizing an individual horse. On the
other hand, there are those, and they are probably in the majority, who claim that the gift is an
acquired one.
     The arguments in favor of this latter view, it must be confessed, are impressive. It is a habit that
is acquired soon after birth. Watch, for instance, how a quite young baby recognizes his mother by
sight. Granted that his other senses help - the sound, his sense of smell, the distinctive way she
handles him. But of all these, sight is predominant. Formed at the very beginning of life, the ability
to recognize faces quickly becomes an established habit, and one that is, essential for daily living,
if not necessarily for survival. How essential and valuable it is we probably do not appreciate until
we encounter people who have been deprived of the faculty.
     This unfortunate inability to recognize familiar faces is known to all, but such people can often
recognize individuals by their voices, their walking manners or their spectacles. With typical human
ingenuity, many of these unfortunate people overcome their handicap by recognizing other
characteristic features.

1. It is stated in the passage that ______.A. it is unusual for a person to be able to identify a face satisfactorily
B. the ability to recognize faces unhesitatingly is an unusual gift
C. quite a few people can visualize faces they have seen
D. few people can give exact details of the appearance of a face2. What the author feels strange about is that _______.A. people have the tremendous ability to recognize more than 1,000 faces
B. people don"t think much of the problem of how and why we acquire the ability to recognize and
remember faces
C. people don"t realize how essential and valuable it is for them to have the ability to recognize faces
D. people have been arguing much over the way people recognize and remember faces3. What is the first suggested explanation of the origin of the ability?A. It is one of the characteristics peculiar to human beings.
B. It is acquired soon after birth.
C. It is something we can do from the very moment we are born.
D. It is learned from our environment and experiences.4. This passage seems to emphasize that ______.A. the ability to recognize individuals is dependent on other senses as well as sight
B. sight is indispensable (必需的) to recognizing individuals
C. the ability to recognize faces is a special inborn ability of the brain
D. the importance of the ability of recognizing faces is fully appreciated by people.

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