题目
A Right
B Wrong
C Not mentioned
第1题
There is no doubt that children like learning science because ______
A.science is linked with many of the things they meet
B.science is a very easy subject for them to learn
C.they encounter the facts and principles of science daily
D.they are familiar with the process and spirit of science
第2题
21.Detecting different genes in plants is like().
A.the examination of human finger-prints
B. the development of new varieties of fruit
C.the checking of young a nd tender branches
D.the distinction between bad trees a nd good ones
23.We learn from the first paragaph that the study of genes.()
A. has greatly affected fruit output
B. has been a popular planting procedure
C. will change the taste of individuals
D. will play a vital role in fruit production
24.Now famers can tll whether afruit tee is dsirable or notby().
A. having a DNA test of a young leaf of the tee
B. mixing dferet types of sitble genes
C.checking its young branches before panting
D. comparing the sining ines with the geneic signs .
25. The ps el us thet he new geneic echoy wi enble ames.()
A. increase the DNA ofa fuit tree
B. improve the qualty of fruit
C. make use of the sing feturesof fuit
D. change the cycle of fuit production
第3题
The room is a vault (地下库) designed to hold around 2 million seeds, representing all known varieties of the world's crops. It is being built to safeguard the world's food supply against nuclear war, climate change, terrorism, rising sea levels, earthquakes and the collapse of electricity supplies. "If the worst came to the worst, this would allow the world to reconstruct agriculture on this planet," says Cary Fowler, director of the Global Crop Diversity Trust, an independent international organization promoting the project.
The Norwegian (挪威的) government is planning to create the seed bank next year at the request of crop scientists. The $3 million vault will be built deep inside a sandstone mountain on the Norwegian Arctic island of Spitsbergen. The vault will have metre-thick walls of reinforced concrete and will be protected behind two airlocks and high-security doors.
The vault's seed collection will represent the products of some 10, 000 years of plant breeding by the world's farmers. Though most are no longer widely planted, the varieties contain vital genetic properties still regularly used in plant breeding.
To survive, the seeds need freezing temperatures. Operators plan to replace the air inside the vault each winter, when temperatures in Spitsbergen are around -18℃. But even if some disaster meant that the vault was abandoned, the permanently frozen soil would keep the seeds alive. And even accelerated global warming would take many decades to penetrate the mountain vault.
"This will be the world's most secure gene bank," says Fowler. "But. its seeds will only be used when all other samples have gone for some reason."
The project comes at a time when there is growing concern about the safety of existing seed banks around the world. Many have been criticized for their poor security, ageing refrigeration (冷藏) systems and vulnerable electricity supplies.
The scheme won UN approval at a meeting of the Food and Agriculture Organization in Rome in October 2005. A feasibility study said the facility "would essentially be built to last forever".
The Norwegian vault is important in that ______.
A.the seeds in it represent the rarest varieties of world's crops
B.the seeds in it could revive agriculture if the worst thing should happen
C.it is built deep in a mountain on a freezing-cold Arctic island.
D.it is strong enough against all disasters caused by man and nature
第4题
Mental Health and Aging Mental or psychological(psychology)health problems can increase with age. There are various_____(41)(reason).One is biological change which can interfere with the brain's ability to deal with_____(42)(inform).Another is social change such as_____(43)(retire)which can lead to a_____(44)(feel) of uselessness. Mental health problems can have a serious influence on an older person's ability. They may affect their ability to carry out many basic_____(45)(activity)of daily living, from getting up to_____(46)(manage) financial affairs. But problems often go without being_____(47)(solve).Many older people struggle on without the right help—or any help at all. Understanding how mental_____(48)(ill) tends to affect the elderly is vital in_____(49)(help) them to manage their problems_____(50)(effective)and reduce the risk of serious harm. _____.
_____.
_____.
_____.
_____.
_____.
_____.
_____.
_____.
_____.
请帮忙给出每个问题的正确答案和分析,谢谢!
第5题
Passage Four
Dressing fashionably was very important in fourteenth-century Spain. This was especially true for any man who considered himself an aristocrat or dandy. Before going out, a well-dressed man would put on his finest boots, one of his embroidered caps and his favorite beard, dyed to match the color of his clothing.
Believe it or not, false beards were once as popular as neckties are today. Beards had for years considered a sign of strength and manhood, and the bigger and thicker they were, the better. Those unfortunates who had little facial hair were forced by custom into wearing false beards made of horsehair. Soon, however man in the Spanish fashion world was wearing them too, while many quite substantial real beards were shaved off to make way for the false variety.
By day, the fashionable dandy might wear a yellow or a crimson beard to impress his friends, but in the evening a long black beard was proper for serenading his senorita, Any color or shape of beard could be had.
However, as you can imagine, the growth of this unusual custom created many interesting problems. People with similar beards were mistaken for one another. Creditors could not find debtors, and police often arrested the wrong people, while the real villain escaped wearing their hairy disguises. The price of horsehair skyrocketed. Finally, King Philip IV of Aragon put a stop to all the foolishness by outlawing the wearing of false beards.
46. What is the passage mostly concerned with?
A. The size of beards.
B. The color of beards.
C. Varieties of false beards.
D. The custom of wearing false beards.
第6题
Passage Four
Within a large concrete room,Cut out of a mountain on a freezing-cold island just 1,000 kilometres from the North Pole,could lie the future of humanity.
The room is a vault(地下库)designed to hold around 2 million seeds,representing all known varieties of the world’S crops.It is being built to safeguard the world’S food supply against nuclear War,climate change,terrorism,rising sea levels,earthquakes and the collapse of electricity supplies。“If the worst came to the worst,this would allow the world to reconstruct agriculture on this planet,”says Cary Fowler,director of the Global Crop Diversity Trust,an independent international organisation promoting the project.
The Norwegian(挪威的)government is planning tO create the seed bank next year at the request of crop scientists.The $3 million vault will be built deep inside a sandstone mountain on the Norwegian Arctic island of Spitsbergen.The vault will have metre-thick walls of reinforced concrete and will be protected behind two airlocks and high-security doors.
The vault’S seed collection will represent the products of some 10,000 years of plant breeding by the world’S farmers.Though most are no longer widely planted,.the varieties contain vital genetic properties still regularly used in plant breeding.
To survive,the seeds need freezing temperatures.Operators plan to replace the air inside the vault each winter,when temperatures in Spitsbergen are around-18℃.But even if some disaster meant that the vault Was abandoned,the permanently frozen soil would keep the seeds alive.And even accelerated global warming would take many decades to penetrate the mountain vault.
“This will be the world’s most secure gene bank,” Says Fowler.“But its seeds will only be used when all other samples have gone for sOme reason.”
The project comes at a time when there is growing concern about the safety of existing seed banks around the world.Many have been criticized for their poor security, ageing refrigeration(冷藏)systems and vulnerable electricity supplies.
The scheme won UN approval at a meeting of the Food and Agriculture Organization in Rome in October 2005.A feasibility study said the facility“would essentially be built to last forever”.
46.The Norwegian yault is important in that_________________.
A.the seeds in it represent the rarest varieties of world’S crops
B. the seeds in it could revive agriculture if the worst thing should happen
C.it is built deep in a mountain on a freezing-cold Arctic island
D.it is strong enough against all disasters caused by man and nature
第7题
Everybody knows that words can carry messages.People communicate (交流) with words.Books, magazines, TV and radio and films all help us to know what is going on in the world and what other people are thinking about
Do you think you can communicate without words? A smile on your face shows you are happy or friendly.Tears in your eyes tell others that you are sad.When you put up your hand in class, the teacher knows you want to say some thing or ask a questio
You shake your head, and people know you are saying "No".you nod and people know you are saying “Yes”
Other things can also carry messages.For example, a sign at the bus stop helps you to know which bus to take.A sign on the wall of your school helps you to find the library.Signs on doors tell you to go in or out.Have you ever noticed that there are a lot of signs around you and that you receive messages from them all the time.For example, the road sign P tells you where to leave your car, where as the sign H tells you where to find a hospital
People can communicate in many ways without words example, an artist can use his drawings to tell about beautiful mountains, seas and many other things
21.Choose the best title for this passage()
A.Ways for Communication
B.The Best Way for Communication
C.The Only Way for Communication
22.How can people communicate with each other?()
A.With words only.
B.Only wi thout words
C.Either wi th words or without words
23.Which of the following is not a way for communication without words?()
A.A cry for help
B.A smile on your face.
C.Putting up your hands in class.
24.What does the road sign P tell people?()
A.You can go into the park
B.You can please everyone.
C.You can leave your car there
25.Which sign should you follow if you need a doctor?()
A.D
B.H
C.O
第8题
阅读材料,回答题。
Much unfriendly feeling towards computers has been based on the fear of widespread unemployment resulting from their introduction. Computers are often used as part of automated(自动化的) production systems requiring a least possible number of operators, causing the loss of many jobs. This has happened, for example, in many steelworks.
On the other hand, computers do create jobs. They are more skilled and better paid, though fewer in number than those they replace. Many activities could not continue in their present form. without computers, no matter how many people are employed. Examples are the check clearing (交换) system of major banks and the weather forecasting system.
When a form. introduces computers, a few people are usually employed in key posts (such as jobs of operations managers) while other staff are w-trained as operators, programmers, and data preparation staff. After the new system has settled down, people in non-computer jobs are not always replaced when they leave, resulting in a decrease in the number of employees. This decrease is sometimes balanced by a substantial increase in the activity of the frim, resulting from the introduction of computers.
The attitudes of workers towards computers vary. There is fear of widespread unemployment and of the takeover of many jobs by computer-trained workers, making promotion for older workers not skilled in computers more difficult.
On the other hand, many workers regard the trend toward wider use of computers inevitable.They realize that computers bring about greater efficiency and productivity, which will improve the condition of the whole economy, and lead to the creation of more jobs. This view was supported by the former British Prime Minister, James Callaghan in 1954, when he made the point that new technologies hold the key to increased productivity, which will benefit the economy in the long ran.
The unfriendly feeling towards computers is developed from 查看材料
A.the possible widespread unemployment caused by their introduction
B.their use as part of automated production systems
C.the least possible number of operators
D.the production system in steelworks
第9题
Currently there are some 20,000 chemicals in use, but the scientists only have detailed information around 1,000 of them.To see the advantages of GM food you have only to consider the recent press revelation that the average lettuce receives eleven pesticide applications before it reaches the supermarket shelf.I’m sure chemicals and their role in disease will become a big issue in the 21st century as the population of the developed world worries increasingly about its health.
The reason GM food will not go away is that we need a three-fold increase in food production by the year 2050 to keep pace with the world’s predicted population growth to ten or eleven billion.It’s not just a question of more mouths to feed either.What is often forgotten is that all these extra people will take up space, reducing the overall land available for agriculture.
The world has 800 million hungry people.Until now, food supplies have been increased by improved varieties, pesticides and artificial fertilizers: the green revolution.Now we’re on the edge of a new one: a genetic revolution.
It may well be that in the long term it is the developing world that benefits most from GM food.It is true that for the next years or so GM crops may be too expensive.
6. According to the passage, food supplies have been increased by all the following except_____________.
A.pesticides
B.artificial fertilizers
C.improved varieties
D.transportation
7.How many chemicals are still less familiar to the scientists?()
A.20,000.
B.1,000
C.19,000
D.21,000.
8.Why will people prefer GM food in the future?()
A.Because it uses less pesticides.
B.Because it is much cheaper.
C.Because the production is increased.
D.Because it is organic food.
9.Which of the following is NOT true?()
A.By 2050, the world population will grow to ten or eleven billion.
B.In the 21st century, GM food will take the place of conventional food.
C.More and more people will reduce the overall land available for farming.
D.More and more people will consume more food and occupy more space.
10.The author’s attitude towards GM food is _______.
A.negative
B.positive
C.critical
D.uncertain
第10题
Cheese is perhaps the first food to be manufactured that is currently
consumed by humans. The oldest written records have references to cheese S1.______
as a food. Today, cheese is available in an almost numerable variety of
kinds, flavors and consistencies. Cheese is made by many different races of S2.______
people under wide varying conditions all over tide face of the earth. And the S3.______
peoples who eat it like the various flavors and consistencies produced. S4.______
For the better understanding of the art and sciences of cheese-making S5.______
one needs to know what kind of product it is and how the manufacturer pro-
cedures developed over the years. Even though the varieties differ quite
widely in composition, cheese can be characterized as a product made from S6.______
milk in that the protein is coagulated and concentrated. S7.______
For centuries, cheese-making has been a farm and home industry with
the individual producers using surplus milk to make small batches of
cheese. Goat cheese making in the US still follows this general practice. It S8.______
was, and still is to a considerate degree, an art; since the middle of
the 19th century, however, more and more cheese has been made in specially
equipped factories with greater application of science in the manufacturing
procedure. Milk from all species has been used for cheese making. Be- S9.______
cause more attention has been given with increasing the productivity of the
bovine species, a large proportion of commercial cheese is now made from S10.______
cow milk; the milk from the buffalo, zebu, sheep and goats is also used extensively.
【S1】
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