ABut BTherefore CIncontrast DOntheotherhand
A But
B Therefore
C In contrast
D On the other hand
A But
B Therefore
C In contrast
D On the other hand
第2题
A.for
B.abut
C.so that
D.although
第3题
Which of the following is NOT mentioned abut scientists in earlier times?
A.They invented false theories to explain things they didn't understand.
B.They falsely claimed to know all about nature.
C.They did not believe in results from scientific observation.
D.They paid little attention to the problems they didn't understand.
第4题
.
B.There are many species of cuckoos in the world and the European cuckoos normally live in North Europe.
C.Young cuckoos can get along well with its foster-mother's brood.
D.When the young cuckoo grows bigger than its foster-mother, it will fly to search for food itself.
第5题
听力原文:W What led you to open the Cincinnati Glass Center?
M Well, people know about Cincinnati's history as a steel manufacturing center for North America, but not many people know that the town used to be a center of the glass industry as well. We wanted to awaken people to that part of Cincinnati's past.
W What would you say has been your proudest achievement since you opened the museum?
M Since we opened the center, several prominent glass artists have moved here, artists from all over the world. I'm proud that we've attracted so many glass artists to the city.
What is being discussed?
A.A museum
B.A library
C.An art school
D.An art gallery
第6题
The early years of development are critical years for learning abut oneself. The sport setting is one where valuable experiences can take place. Young athletes can, for example, learn how to cooperate with others, make friends, and gain other social skills that will be used throughout their lives. Coaches and parents should be aware, at all times, that their feedback to youngsters can greatly affect their children. Youngsters may take their parents’ and coaches’ criticisms to heart and find a flaw (缺陷) in themselves.
Coaches and parents should also be cautious that youth sport participation does not become work for children. The outcome of the game should not be more important than the process of learning the sport and other life lessons. In today’s youth sport setting, young athletes may be worrying more about who will win instead of enjoying themselves and the sport. Following a game, many parents and coaches focus on the outcome and find fault with youngsters’ performances. Positive reinforcement should be provided regardless of the outcome. Research indicates that positive reinforcement motivates and has a greater effect on learning than criticism. Again, criticism can create high levels of stress, which can lead to burnout.
第16题:An effective way to prevent the burnout of young athletes is ________.
A) to make sports less competitive
B) to make sports more challenging
C) to reduce their mental stress
D) to increase their sense of success
第7题
Computers imitate life. As computers get more complex, the imitation gets better. Finally, the line between the original and the copy becomes unclear. In another 15 years or so, we will see the computer as a new form. of life.
The opinion seems ridiculous because, for one thing, computers lack the drives and emotions of living creatures. But drives can be programmed into the computer's brain just as nature programmed them into our human brains as a part of the equipment for survival.
Computers match people in some roles, and when fast decisions are needed in a crisis, they often surpass them. Having evolved when the pace of life was slower, the human brain has an inherent defect that prevents it from absorbing several streams of information simultaneously and acting on them quickly. Throw too many things at the brain at one time and it freezes up.
We are still in control, but the capabilities of computers are increasing at a fantastic rate, while raw human intelligence is changing slowly, if at all. Computer power has increased ten times every eight years since 1946. In the 1990s, when the sixth generation appears, the reasoning power of an intelligence built out of silicon will begin to match that of the human brain.
That does not mean the evolution of intelligence has ended on the earth. Judging by the past, we can expect that a new species will arise out of man, surpassing his achievements as he has surpassed those of his predecessor. Only a carbon chemistry enthusiast would assume that the new species must be man' s flesh-anti-blood descendants. The new kind of intelligent life is more likely to be made of silicon.
What do you suppose was the attitude of Dr. Samuel Johnson towards ladies preaching?
A.He believed that ladies were born worse preachers than man.
B.He was pleased that ladies could preach, though not as well as men.
C.He disapproved of ladies preaching.
D.He encouraged ladies to preach.
第8题
The only solid piece of scientific truth abut which I feel totally confident is that we are profoundly ignorant about nature. Indeed, I regard this as the major discovery of the past hundred years of biology. It is, in its way, an illuminating piece of news. It would have amazed the brightest minds of the 18th. century Enlightenment to be told by any of us how little we know and how bewildering seems the way ahead. It is this sudden confrontation with the depth and scope of ignorance that represents the most significant contribution of the 20th century science to the human intellect. In earlier times, we either pretended to understand how things worked or ignored the problem, or simply made up stories to fill the gaps. Now that we have begun exploring in earnest, we are getting glimpses of how huge the questions are, and how far from being answered. Because of this, we are depressed. It is not so bad being ignorant if you are totally ignorant; the hard thing is knowing in some detail the reality of ignorance, the worst spots and here and there the not-so-bad spots, but no true light at the end of the tunnel nor even any tunnels that can yet be trusted.
But we are making a beginning, and there ought to be some satisfaction. There are probably no questions we can think up that can' t be answered, sooner or later, including even the matter of consciousness. To be sure, there may well be questions we can't think up and therefore limits to the reach of human intellect, but that is another matter. Within our limits, we should be able to work our way through to all our answers, if we keep at it long enough, and pay attention.
According to the author, really good science ______.
A.would surprise the brightest minds of the 18th century Enlightenment
B.will help people to make the right choice in advance
C.will produce results which cannot be foreseen
D.will bring about disturbing results
第9题
2. During these summer months, in the Arctic the grey whales fatten themselves by consuming enormous quantities of small shrimp-like animals called amphipods. Recent observations of a young grey whale, Gigi Ⅱ, held in captivity at Sea World in San Diego during 1971 and 1972, suggest that the grey whale feeds by sweeping its enormous head over the bottom. The amphipods on which it feeds are either stirred off the bottom or leap off the bottom to escape. These animals and the surrounding water are sucked into the whale&39;s mouth. As the water is expelled from the mouth, it passes through coarse baleen fibres. The small animals are trapped and swallowed.
3. In October as the days get shorter and ice begins to form. over the Arctic feeding grounds, the California grey whale begins its long journey south to the warm waters of Baja, California. During this three-month long trip the whales travelling in groups stay close to the shore of North America, swimming both day and night and averaging abut 100 miles per day.
4 During the trip south the grey whales that are sexually mature, at least three years old, and not pregnant already, form. mating groups. These groups are composed of three whales, two males and a female. The dominant male couples with the female while the second male is kept busy positioning the two whales on their sides facing each other and keeping them together during the sex act. This is no small job, since each whale can be fifty feet long and weigh forty tons.
5. During December and January the grey whales arrive at the warm lagoons along the coast of Baja, California. The whales swim miles inland along narrow shallow channels. These channels are the breeding grounds of the California grey whale. The calf has been gestating in the pregnant female for the last thirteen months, that is, since her last journey south. The expectant cow is aided in the birth of the calf by another female that acts as a midwife. At birth the calf sinks toward the sea floor. Being a mammal the whale must breathe at the surface. The midwife guides the baby whale to the surface for its first gulp of air. The calf then finds its mother&39;s nipples and rich whale milk is forced into its mouth. During the next two months the calf will grow twenty feet and double its weight.
6. In March the whales begin their long journey north to the Arctic. The newly-pregnant females leave first, following by the males and immature females. The last to leave the warm waters of Baja are the females and their calves. The whales arrive at their Arctic feeding ground in June. Many scientists believe that during this entire eight month long, 14,000 mile journey, the California grey whale does not feed at all!
Paragraph 3 ______
A. The Voyage Back B. An Arctic SummerC. Feeding Habits D. At the Breeding GroundsE. The Move SouthF. Mating
Paragraph 4 ______
A. The Voyage Back B. An Arctic SummerC. Feeding Habits D. At the Breeding GroundsE. The Move SouthF. Mating
Paragraph 5 ______
A. The Voyage Back B. An Arctic SummerC. Feeding Habits D. At the Breeding GroundsE. The Move SouthF. Mating
Paragraph 6 ______
A. The Voyage Back B. An Arctic SummerC. Feeding Habits D. At the Breeding GroundsE. The Move SouthF. Mating
A layer of blubber approximately six inches thick ______.
A. small shrimp-like animals called amphipods.B. protects the whale in Arctic waters.C. increase the circulation of its blood.D. two males and one female.E. leaves its Arctic feeding grounds,F. the surface of the water by a whale "midwife".
The whale feeds on______.
A. small shrimp-like animals called amphipods.B. protects the whale in Arctic waters.C. increase the circulation of its blood.D. two males and one female.E. leaves its Arctic feeding grounds,F. the surface of the water by a whale "midwife".
A mating group consists of ______.
A. small shrimp-like animals called amphipods.B. protects the whale in Arctic waters.C. increase the circulation of its blood.D. two males and one female.E. leaves its Arctic feeding grounds,F. the surface of the water by a whale "midwife".
The newly-born whale is assisted to _______.
A. small shrimp-like animals called amphipods.B. protects the whale in Arctic waters.C. increase the circulation of its blood.D. two males and one female.E. leaves its Arctic feeding grounds,F. the surface of the water by a whale "midwife".
请帮忙给出每个问题的正确答案和分析,谢谢!