题目内容
（请给出正确答案）
A．Evolution
B．mating behavior
C．animal demography
D．immunology
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更多“David Lack' s research contrib…”相关的问题
What damage had Washington caused？
A．There's been a 60 percent drop in the number of researchers.
B．Washington has created an atmosphere of suspicion.
C．Promising young scientists are leaving for university.
D．All of the above.
According to David, what is the main problem for staff using computers now？
A．The lack of IT support.
B．The speed of their networks.
C．The need for more laptops.
LaRoche, who flies out of Montreal because it is the closest major airport to his northern Vermont home, is not alone. Countless U. S. travelers use Montreal's airport because of its convenient location and competitive prices, which it promotes in radio ads in New Eng-land. Not surprisingly, the ads don't mention that more than 200 cars are stolen every year from the airport's parking lots.
Professional thieves search the airport's long-term parking garages for cars that are relatively free of dust and have U. S. license plates—a lack of dust means that a car was parked recently, and Americans often travel for weeks on end. Says a Canadian car-theft investigator: "That gives the bad guys a lot of time to do whatever they want with the car."
What they do, typically, is take the stolen cars to Montreal's harbor, wheree they are concealed inside huge containers to be taken overseas. In little more than a week, the cars are on the street in Russia or countries in Africa of Asia. Police assert that Canada's most powerful car-theft rings are controlled by Russian crime organizations.
Airport officials downplay the problem. "You have to put things in perspective... when you have so many cars parked at your airport every year," says Montreal's director of airport protection. "It's not a major problem. "But the Montreal airport's car-theft problem—police recorded 220 stolen cars last year—is far worse than other international airports in North America. Last year, for example, only 65 cars were stolen from parking lots at Los Angeles's airport; Boston's Logan airport had only four reported thefts. So now David La- Roche will head to Logan, his next-closest major airport. It's a longer drive, but that's OK if it saves his new car.
Many American travelers use Montreal international airport because______.
A．it offers good passenger service
B．it provides free parking lots
C．it is near and inexpensive
D．it is widely advertised
Text 2
When his plane touched down at Montreal' s international airport, David LaRoche collected his
luggage and headed for the airport parking garage, where he left his brand-new car three weeks earlier.
But the car wasn't there. LaRoche found a police officer, who gave him the bad news: his Audi A6
most likely had been absorbed into a vast black car market somewhere in Eastern Europe of Africa.
LaRoche, who flies out of Montreal because it is the closest major airport to his northern Ver-
mont home, is not alone. Countless U. S. travelers use Montreal' s airport because of its convenient location and competitive prices, which it promotes in radio ads in New England. Not surprisingly , the ads don' t mention that more than 200 cars are stolen every year from the airport' s parking lots.
Professional thieves search the airport' s long-term parking garages for cars that are relatively
free of dust and have U. S. license plates-a lack of dust means that a car was parked recently, and
Americans often travel for weeks on end. Says a Canadian car-theft investigator: "That gives the
bad guys a lot of time to do whatever they want with the car. " .
What they do, typically, is take the stolen cars to Montreal' s harbor, where they are con-
cealed inside huge containers to be taken overseas. In little more than a week, the cars are on the
street in Russia or countries in Africa of Asia. Police assert that Canada' s most powerful car-theft
rings are controlled by Russian crime organzations.
Airport. officials downplay the problem. "You have to put things in perspective.. . when you
have so many cars parked at your airport every year," says Montreal' s director of airport protec-
tion. "It' s not a major problem. " But the Montreal airport' s car-theft problem-police recorded
220 stolen cars last year - is far worse than other international airports in North America. Last
year, for example, only 65 cars were stolen from parking lots at Los Angeles' s airport; Boston's
Logan airport had only four reported thefts. So now David LaRoche will head to Logan, his next-
closest major airport. It's a longer drive, but that's OK if it saves his new car.
51. Many American travelers use Montreal international airport because _________
[A] it offers good passenger service
[B] it provides free parking lots
[C] it is near and inexpensive
[D] it is widely advertised
Millions of Americans survive (生产) in low-paying jobs. The Working Poor (319 pages), by David Shipler, a Pulitzer-winning former reporter, shows just how barely they get by.
In his tour around the world of low-paying jobs, Shipler describes a kind of domino model of a downward cycle." Poor housing can worsen a child's illness, which leads to a call for a doctor, which results in a medical bill that cannot by paid, which ruins a credit record, which raises the interest rate on an auto loan (贷款), which results in the buying of a used car, which causes a mother to be late for work, which limits her pay raise and earning ability, which keeps her to poor housing, which worsens the illness, and so on."
What Shipler aims to do in the book is to produce a picture of all of those dominoes at once, the problems that keep the working poor on the edge of household disaster (灾难). As the conditions for the lowest-paid workers keep worsening, he writes," the low-paid employees have been testing the American belief in hard work."
To those who don't quite make it from paycheck to paycheck, convenience stores in poor neighborhoods lend money at interest rates of about of 20% for a two-week loan. If that can't be repaid, it's gladly rolled over—for another 20%. In the space of a few months, he or she owes twice as much in interest as he borrowed.
Shipler doesn't place all the blame on society. The people he meets often lack the soft skills that employers require, like showing up on time, following directions, even knowing how to comb their hair. To be sure, they need better schools and medical care, but they also need to know better than to use their hard-earned checks to get drunk and disorderly, or go in for ill-advised sex and foolish spending.
The main purpose of this text is to ______.
A．show how the poor can improve their living conditions
B．discuss the reasons why many Americans are poor
C．introduce David Shipler' s book about the poor
D．describe how a reporter has become a writer
Which of the following can NOT be inferred from the end of the passage？
A．Though the research was not scientifically accurate, it pointed to some encouraging results.
B．There are many factors influencing one"s outlook during his/her growing up.
C．The virtuous die young, but the evil leave a stink for ten thousand years.
D．The author urges us to become more environmentally-conscious as the society develops.
C
Millions of Americans survive(生存)in low-paying jobs. The Working Poor(319 pages) , by David Shipler, a Pulitzer-winning former reporter, shows just how barely they get by. In his tour around the world of low-paying jobs, Shipler describes a kind of domino model of a downward cycle. " Poor housing can worsen a child ' s illness, which leads to a call for a doctor, which results in a medical bill that cannot be paid, which ruins a credit record, which raises the in- terest rate on an auto loan(货款) , which results in the buying of a used car, which causes a mother to be late for work, which limits her pay raise and earning ability, which keeps her to poor hous-ing, which worsens the illness, and so on. "
What Shipler aims to do in the book is to produce a picture of all of those dominoes at once, the problems that keep the working poor on the edge of household disaster(灾难). As the condi-
tions for the lowest-paid workers keep worsening, he writes, " the low-paid employees have been
testing the American belief in hard work. "
To those who don ' t quite make it from paycheck to paycheck, convenience stores in poor neighborhoods lend money at interest rates of about 20% for a two-week loan. If that can ' t be
repaid, it' s gladly rolled over-for another 20% . In the space of a few months, he or she owes
twice as much in interest as he borrowed.
Shipler doesn ' t place all the blame on society. The people he meets often lack the soft skills that employers require, like showing up on time, following directions, even knowing how to comb their hair. To be sure, they need better schools and medical care, but they also need to know better than to use their hard-earned checks to get drunk and disorderly, or go in for ill-advised sex and foolish spending.
64. The main purpose of this text is to _______ .
[ A] show how the poor can improve their living conditions
[ B ] discuss the reasons why many Americans are poor
[ C ] introduce David Shipler ' s book about the poor
[ D] describe how a reponer has become a writer
Part science and part natural history, ornithology(鸟类学) owes its tremendous popularity as a science and a scientific recreation to a simple circumstance that is sometimes forgotten when we weigh the eligibility(有被选资格，合适)of different kinds of animals for informal study. Birds are day animals where others, just as engaging in their way—mice, for instance—are creatures of the night. Apart from their visibility (something very much in their favor), the beauty of birds and their many appealing habits have won for them a huge fan following that has more than once tempted impatient and ill-informed laboratory biologists to dismiss ornithology as so much bird-watching—an absurdly unjust judgment that ignores the fact that ornithology has made a number of profoundly important contributions to general biology.
Professional biologists are not hard put to reel off(滔滔不绝地讲) a list of distinctive contributions that ornithology has made to general biology science. They will cite, for example, Ernst Mayr's investigations of evolution and the mechanisms of speciation (物种形成), or M. R. Irwin's work on the immunologic performance of species of Columbidae(pigeons and doves) and of hybrids(杂交种)between them. Then again, David Lack's studies on mortality in wild populations of birds are the most illuminating life tables of wild animals and animal demography (统计学) generally. Most important of all, perhaps is the contribution that ornithology has made to the study of animal behavior, beginning with Julian Huxley' s classic study of the courtship habits of the great crested great and followed by Niko Tinbergen's studies on the behavior. of herring gulls.
What is the main idea of the passage？
A．Birds are widely studied because they are popular in the home.
B．Ornithology has made important contributions to biology.
C．Professional biologists often engage in bird-watching for recreation.
D．Animal behavior. is best studied by observing birds.
Voice Your Opinion: Change is Needed in Youth Sports
Everywhere you look, you see kids bouncing a basketball or waving a tennis racquet (网球拍).And these kids are getting younger and younger In some countries, children can compete on basket-ball, baseball, and volleyball teams starting at age nine. _ (46) And swimming and gymnasticsclasses begin at age four, to prepare children for competition. It&39;s true that a few of these kids will de-velop into highly skilled athletes and may even become members of the national Olympic teams. _ (47) This emphasis on competition in sports is having serious negative effects.
Children who get involved in competitive sports at a young age often grow tired of their sport.Many parents pressure their kids to choose one sport and devote all their time to it. _ (48) But 66 percent of the young athletes wanted to play more than one sport for fun. Another problem is the pressure imposed by over-competitive parents and coaches. Children are not naturally competitive. In fact, a recent study by Paulo David found that most children don&39;t even understand the idea of compe-tition until they are seven years old. _ (49) The third, and biggest, problem for young athletes is the lack of time to do their homework, have fun, be with friends-in short, time to be kids. When they are forced to spend every afternoon at sports practice, they often start to hate their chosen sport. A researcher&39;s found that 70 percent of kids who take part in competitive sports before the age of twelve quit before they turn eighteen. _ (50) Excessive competitiveness took away all the en- joyment.
Need to remember the purpose of youth sports-to give kids a chance to have developing strong, healthy bodies.
47
48
49
50
请帮忙给出每个问题的正确答案和分析，谢谢！
A．Teach David's class while he is absent.
B．Give Professor Winston the key to David's office.
C．Leave a message on the board in David's classroom.
D．Bring David the homework that was due today.
