阅读理解。 Grown-ups know that people and objects are solid. At the movies, we kn
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阅读理解。 |
Grown-ups know that people and objects are solid. At the movies, we know that if we reach out to touch Tom Cruise, all we will feel is air. But does a baby have this understanding? To see whether babies know objects are solid, T. Bower designed a method for projecting an optical illusion (视觉影像) of a hanging ball. His plan was to first give babies a real ball, one they could reach out and touch, and then to show them the illusion. If they knew that objects are solid and they reached out for the illusion and found empty air, they could be expected to show surprise in their faces and movements. All the 16-to 24- week -old babies tested were surprised when they reached for the illusion and found that the ball was not there. Grown-ups also have a sense of object permanence. We know that if we put a box in a room and lock the door, the box will still be there when we come back. But does a baby realize that a ball that rolls under a chair does not disappear and go to never-never land? Experiments done by Bower suggest that babies develop a sense of object permanence when they are about 18 weeks old. In his experiments, Bower used a toy train that went behind a screen. When 16-week-old and 22-week-old babies watched the toy train disappear behind the left side of the screen, they looked to the right, expecting it to reappear. If the experimenter took the train off the table and lifted the screen, all the babies seemed surprised not to see the train. This seems to show that all the babies had a sense of object permanence. But the second part of the experiment showed that this was not really the case. The researcher substituted (替换) a ball for the train when it went behind the screen. The 22-week-old babies seemed surprised and looked back to the left side for the train. But the 16-week -old babies did not seem to notice the switch (更换). Thus, the 16-week-old babies seemed to have a sense of "something permanence," while the 22-week-old babies had a sense of object permanence related to a particular object. |
1. The passage is mainly about _____. |
A. babies" sense of sight B. effects of experiments on babies C. babies" understanding of objects D. different tests on babies" feelings |
2. In Paragraph 3," object permanence" means that when out of sight, an object ______. |
A. still exists B. keeps its shape C. still stays solid D. is beyond reach |
3. What did Bower use in his experiments? |
A. A chair. B. A screen. C. A film. D. A box. |
4. Which of the following statements is true? |
A. The babies didn"t have a sense of direction. B. The older babies preferred toy trains to balls. C. The younger babies liked looking for missing objects. D. The babies couldn"t tell a ball from its optical illusion. |
答案
1-4: CABD |
举一反三
阅读理解。 |
How Long Can People Live? She took up skating at age 85, made her first movie appearance at age 114, and held a concert in the neighborhood on her 121 st birthday. When it comes to long life, Jeanne Calment is the world"s recordholder. She lived to the ripe old age of 122. So is 122 the upper limit to the human life span (寿命)? If scientists come up with some sort of pill or diet that would slow aging, could we possibly make it to 150-or beyond? Researchers don"t entirely agree on the answers. "Calment lived to 122, so it wouldn"t surprise me if someone alive today reaches 130 or 135," says Jerry Shay at the University of Texas. Steve Austad at the University of Texas agrees."People can live much longer than we think," he says. "Experts used to say that humans couldn"t live past 110. When Calment blew past that age, they raised the number to 120. So why can"t we go higher?" The trouble with guessing how old people can live to be is that it"s all just guessing."Anyone can make up a number,"says Rich Miller at the University of Michigan. "Usually the scientist who picks the highest number gets his name in Time magazine." Won"t new anti-aging techniques keep us alive for centuries? Any cure, says Miller, for aging would probably keep most of us kicking until about 120. Researchers are working on treatments that lengthen the life span of mice by 50 percent at most. So, if the average human life span is about 80 years, says Miller, "adding another 50 percent would get you to 120." So what can we conclude from this little disagreement among the researchers? That life span is flexible (有弹性的), but there is a limit, says George Martin of the University of Washington." We can get flies to live 50 percent longer,"he says. "But a fly"s never going to live 150 years."Of course, if you became a new species (物种), one that ages at a slower speed, that would be a different story, he adds. Does Martin really believe that humans could evolve (进化)their way to longer life?"It"s pretty cool to think about," he says with a smile. |
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1. What does the story of Jeanne Calment prove to us? |
A. People can live to 122. B. Old people are creative. C. Women are sporty at 85. D. Women live longer than men. |
2. According to Steve Austad at the University of Texas, ______. |
A. the average human life span could be 110 B. scientists cannot find ways to slow aging C. few people can expect to live to over 150 D. researchers are not sure how long people can live |
3. Who would agree that a scientist will become famous if he makes the wildest guess at longevity? |
A. Jerry Shay. B. Steve Austad C. Rich Miller D. George Martin |
4. What can we infer from the last three paragraphs? |
A. Most of us could be good at sports even at 120. B. The average human life span cannot be doubled C. Scientists believe mice are aging at a slower speed than before. D. New techniques could be used to change flies into a new species |
阅读理解。 |
Instead of hitting the beach, fourteen high school students traded swimming suits for lab coats last summer and turned their attention to scientific experiments. The High School Research Program offers high school students guidance with researchers in Texas A&M"s College of Agriculture and Life Sciences. Jennifer Funkhouser, academic adviser for the Department of Rangeland Ecology and Management, direst this four-week summer program designed to increase understanding of research and its career potential (潜能). Several considerations go into selecting students, including grades, school involvement and interest in science and agriculture. And many students come from poorer school districts, Funkhouser says. "This is their chance to learn techniques and do experiments they never would have a chance to do in high school." Warner Ervin of Houston is interested in animal science and learned how to tell male from female mosquitoes(蚊子). His adviser, Craig Coates, studies the genes of mosquitoes that allow them to fight against malaria and yellow fever. Coates thought this experience would be fun and helpful to the high school students. The agricultural research at A&M differs from stereotypes. It"s "molecular (分子) science on the cutting edge," Funkhouser says. The program broadened students" knowledge. Victor Garcia of Rio Grande City hopes to become a biology teacher and says he learned a lot about chemistry from the program. At the end of the program, the students presented papers on their research. They"re also paid $600 for their work-another way this program differs from others, which often charge a fee. Fourteen students got paid to learn that science is fun, that agriculture is a lot more than milking and plowing and that research can open many doors. |
1. The research program is chiefly designed for _____. |
A. high school advisers from Houston B. college students majoring in agriculture C. high school students from different places D. researchers at the College of Agriculture and Life Sciences |
2. It can be inferred from the text that the students in poorer areas _____. |
A. had little chance to go to college B. could often take part in the program C. found the program useful to their future D. showed much interest in their high school experiments |
3. When the program was over, the students _____. |
A. entered that college B. wrote research reports C. paid for their research D. found way to make money |
4. The underlined expression "on the cutting edge" in paragraph 5 means "on the most _____ position". |
A. important B. favorable C. astonishing D. advanced |
5. What would be the best title for the text? |
A. A Program for Agricultural Science Students B. A Program for Animal Science Students C. A Program for Medical Science Lovers D. A Program for Future Science Lovers |
阅读理解。 |
A teacher of English as a second language is the 2004 Teacher of the Year in the United States. Kathy Mellor of Rhode Island will spend the next year as an international spokeswoman for education. President Bush and his wife, Laura, honored her during a ceremony (仪式) at the White House last week. For the past nineteen years, Kathy Mellor has taught English as a second language at Davisville Middle School in North Kingstown, Rhode Island,in the northeastern United States.She redesigned the program for E.S.L students at her school to provide each student with one to three periods per day in classes for English learners. How much instruction the students get depends on their level of skill in listening,speaking, reading and writing. The amount of time they spend in these classes in reduced as their level of English increases. A teacher describes this as the most successful E.S.L. program in North Kingstown. She also praises Kathy Mellor for providing help to students and their families by forming a local parents group for speakers of other languages.This improved their ability to help their children. Kathy Mellor earned a master"s degree in education from Rhode Island College. She studied teaching English as a second language. She was chosen for the national honor of Teacher of the Year from among top teachers in each of the fifty states. As Teacher of the Year, Kathy Mellor will travel around the United States and to other countries. She will talk about the importance of education and the work of teachers. |
1. This passage is mainly about _____. |
A. Teacher of the Year 2004 in the United States B. Ms Mellor"s English teaching instruction C. Ms Mellor"s teaching skills of learning English D. praises to Ms Mellor from other teachers |
2. What does "E.S.L." in the passage stand for? |
A. English study learners. B. English speaking and listening. C. English special learners. D. English as a second language. |
3. From this passage we can learn that _______. |
A. middle school teachers from each state are honored Teachers of the Year B. middle school teachers in the USA have to get master"s degrees C. Ms Mellor"s students have no problems in learning English D. the American government pays much attention to education |
阅读理解。 |
The gray-haired lady can"t wait to leave the building to search for her dad.Unless watched, she will walk in the streets in an effort to find her father,who died 30years ago. Not all cases of Alzheimer"s disease look like this,but Alzheimer"s is a serious disease that is said to be the fourth or fifth leading cause of death for people over age 75. It is said that about three percent of the U.S. population over age 65 have Alzheimer"s.In the early stages, people may exhibit short term memory loss. Some may experience changes in personality, easy to be angry. As the disease progresses, patients might lose the ability to move and may be unable to speak or move at all. This progressive disease generally lasts 8 to 10 years before death occurs. While no one is certain what causes these changes in the brain"s nerve fibers (神经纤维), their effect is certain. Alzheimer"s destroys not only the patients, but also spouses (配偶), friends and families. What should you do if you notice progressive memory loss in yourself or a loved one? Have the person examined by a doctor who is a specialist in the treatment of Alzheimer"s disease. Though many reasons other than Alzheimer"s disease may cause memory loss,its early diagnosis (诊断) and treatment may delay some of the most serious effects. What feeling will you likely experience should a loved one suffer from Alzheimer"s disease? A person will often go through the various stages of sadness, shock, anger, and so on. If the spouse develops the disease, you may experience hurt and disappointment when he or she doesn"t remember you are married. Life for the Alzheimer"s patients and their loved ones will never be the same as the disease progresses, bringing a deep sorrow, loss and even anger towards God. No matter what feelings are present, facing them honestly will serve one better than burying them. |
1. What can be inferred from the passage about the gray-haired day? |
A. She has been living with her father. B. She was sad about the death of her father. C. She can"t search for her father without being watched. D. She suffers from Alzheimer"s disease. |
2. When people suffer from Alzheimer"s disease, ______. |
A. their families and friends will suffer from the same disease B. their families and friends will experience mental sufferings C. they will certainly die in 8 to 10 years D. they will forget everybody but their spouses |
3. Memory loss occurs ______. |
A. from Alzheimer"s disease and nothing else B. from sadness,shock,anger,and so on C. for a number of reasons D. with changes in personality |
4. From the passage we know that _____. |
A. early treatment may stop Alzheimer"s disease occurring B. it is still unknown what causes the changes in the brain"s nerve fibers C. nerve fibers in the brain will cause Alzheimer"s disease D. when one suffers from Alzheimer"s disease,he will be buried |
阅读理解。 |
Princeton University Location The University is in Princeton, New Jersey. It is an hour"s train ride south of New York City and an hour"s train ride north of Philadelphia. Students There are 4,600 undergraduates (本科生). There are also 1,900 graduate students, but Princeton is unusual among universities in having a student body made up largely of undergraduates. Faculty Princeton has about 700 full-time faculty members (教员). There are another 300 or so part-time and visiting faculty. All faculty members at Princeton are expected to teach and research. Degrees Princeton offers two undergraduate degrees: the bachelor (学士) of arts (A.B.) degree and the bachelor of science in engineering (B.S.E.) degree. Academic Year An academic year runs from September to late May and lasts two terms (fall and spring). A normal course load is four or five courses per term, although many students take extra courses. Residences Princeton provides housing for all undergraduate students. Freshmen and second-year students are required to spend their first two years in one of five colleges. Each college has its own dining hall, common rooms and computer centers. Fees and Expenses (Academic Year 2004-2005) Tuition (学费): $29,910 Room and board: $ 8,387 Other expenses (books, telephone, etc.): $ 3,083 Total: $ 41,380 |
1. How many kinds of faculty members are there in Princeton University? |
A. One. B. Two. C. Three. D. Four. |
2. In Princeton University, an undergraduate will pay at least _____ for the Academic Year 2004-2005 besides tuition. |
A. $ 41,380 B. $ 52,850 C. $11,470 D. $ 8, 387 |
3. In what way is Princeton University different from other American universities according to the text? |
A. It has five colleges. B. Its students are mainly undergraduates. C. It provides housing for all undergraduate students. D. All the faculty members at Princeton are expected to teach and research. |
4. Which of the following is NOT true? |
A. Princeton offers two undergraduate degrees. B. An academic year lasts about nine months in Princeton University. C. Undergraduates should spend their first two years in one of five colleges. D. It"s about an hour"s train ride from Princeton University to the north of New York City. |
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