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根据以下资料,回答9~12题。 Many animals have an excellent sense of smell, which they use

in hunting.On the other hand, their eyesight may be poor.Dogs, for example, have poor eyesight and no color vision.They see only shades of gray.But the dog's sense of smell is extraordinary, The kind of dog known as Alsatian has 220 million olfactory (嗅觉) cells.Man has five million.Scientists believe that the Alsatian is one million times better than man in finding out odors. The human sense of smell, however, is really quite good, The average human being can distinguish more than 10,000 different odors. According to the passage which of the following facts is NOT true? A.Many animals have poor eyesight while their sense of smell, is quite good. B.Dogs are color blind. C.The human sense of smell is not good. D.Dogs can see no more than shades of gray.

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更多“根据以下资料,回答9~12题。 Many animals h…”相关的问题
第1题
根据以下资料,回答9~12题。 The earliest immigrants to North America found Indians already
living there.The Indians numbered about 500,000 at that time.Their society was a primitive society, but they lived peacefully and welcomed the white strangers to the land.However, these early immigrants from Europe didn't want to share the land with the natives.They killed off many of the Indians, seized their land or pushed them off to lands farther away.Today the Indians, not more than half a million, live in poverty and misery on the land on which they were once masters. The earliest immigrants were the Spanish, who settled in the southern part of what is now the US.The next large group were the English, after the English came the French, Dutch, Irish, Germans, and other nationality groups, mostly European. Another early group to arrive were the Negroes.But they were brought in as slaves from Africa.They didn't win freedom till generations later. Who were the earliest people living in North America? A.The Spanish. B.The English. C.The Negroes. D.The Indians.

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第2题
根据以下资料,回答9~12题。 An employer has several choices he can consider when he wants t
o hire a new employee.First, he may look within his own company.But if none of the present employees are suitable for the position, he will have to look outside the company.If his company has a personnel office, he can ask them to help find qualified applicants. There are other valuable sources the employer can use, such as employment agencies, professional societies and so on.He can also advertise in the newspapers and magazines and ask prospective candidates to send in resumes. The employer has two kinds of qualifications to consider when he wants to choose from among applicants.He must consider both professional qualifications and personal characteristics.A candidate's professional qualifications include his education, experience and skills.These can be listed on a resume.Personal characteristics must be evaluated through interviews. This passage mainly tells us __. A.there are many applications looking for a job B.how an employer hires his employees C.employer hires a new employee within his company D.employer can advertise in newspapers and magazines

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第3题
根据以下资料,回答9~12题。 Years ago our cities were full of cars, buses and trucks.Now th
e streets are completely congested (拥挤的) and it is very difficult to drive a car along them.Drivers must stop at hundreds of traffic lights.What are our cities going to be like in ten or twenty years? Will enormous (巨大的 ) motorways be built across them? With-big motorways cutting across them, full of noisy, dirty cars and lorries, our cities are going to be awful places.How can we solve the problem? There are some good ideas to reduce the use of private cars.In 1989, for example, the authorities in Rome began an interesting experiment: passengers on the city buses did not have to pay for their tickets. In Stockholm there was another experiment: people paid very little for a season ticket to travel on any bus, trolley bus, train or tram in all the city. In many cities now some streets are closed to vehicles, and pedestrians are safe there. In London there is another experiment: part of the street is for buses only, so the buses can travel fast.There are no cars or taxies in front of them. What the writer worries about in a big city is __. A.the number of traffic lights B.the shortage of buses C.the lack of motorways D.the traffic congestion

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第4题
根据以下材料回答 1~20 题: By 1830 the former Spanish and Portuguese colonies had become

根据以下材料回答 1~20 题:

By 1830 the former Spanish and Portuguese colonies had become independent nations. The roughly 20 million___(1)___of these nations looked ___(2)___to the future. Born in the crisis of the old regime and Iberian Colonialism, many of the leaders of independence ___(3)___ the ideas of representative government, careers___(4)___to talent, freedom of commerce and trade, the___(5)___ to private property, and a belief in the individual as the basis of society, ___(6)___there was a belief that the new nations should be sovereign and independent states, large enough to be economically viable and integrated by a___(7)___set of laws.

On the issue of___(8)___ of religion and the position of the church,___(9)___, there was less agreement___(10)___the leadership. Roman Catholicism had been the state religion and the only one ___(11)___by the Spanish crown,___(12)___most leaders sought to maintain Catholicism___(13)___the official religion of the new states, some sought to end the ___(14)___of other faiths. The defense of the Church became a rallying___(15)___ for the conservative forces.

The ideals of the early leaders of independence were often egalitarian, valuing equality of everything. Bolivar had received aid from Haiti and had ___(16)___in return to abolish slavery in the areas he liberated. By 1854 slavery had been abolished everywhere except Spain's ___(17)___colonies. Early promises to end Indian tribute and taxes on people of mixed origin came much ___(18)___ because the new nations still needed the revenue such policies ___(19)___ Egalitarian sentiments were often tempered by fears that the mass of the population was___(20)___ self-rule and democracy.

第 1 题 请选择(1)处最佳答案()。

A.natives

B.inhabitants

C.peoples

D.individuals

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第5题
根据下表所给的资料,拟合一个回归模型,并回答下述问题。 (1)求出a、b,说明b的含意是什么? (2)由题(1)所得的

根据下表所给的资料,拟合一个回归模型,并回答下述问题。

(1)求出a、b,说明b的含意是什么?

(2)由题(1)所得的回归方程,标准估计误差是多少?

(3)对回归直线的斜率作显著性检验,P值是多少?

(4)一个13岁的男孩的血压估计值是多少?

血压与年龄的关系

年龄X 血压(mmHg)Y年龄X 血压(mmHg)Y
5 94.4

6 97.7

7 101.9

8 104.5

9 106.3

12 113.8

13 117.7

14 121.6

15 122.3

16 123.6

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第6题
根据以下资料,回答9~12题。 If you are like most people, your intelligence varies from seas
on to season.You are probably a lot sharper in the spring than you are at any other time of the year.A noted scientist, Ellsworth Huntington (1876-1947), concluded from other men's work and his own among peoples in different climates that climate and temperature have a definite effect on our mental abilities. He found that cool weather is much more favorable for creative thinking than is summer heat.This does not mean that all people are less intelligent in the summer than they are during the rest of the year.It does mean, however, that the mental abilities of large numbers of people tend to be lowest in the summer. Spring appears to be the best period of the year for thinking.One reason may be that in the spring man's mental abilities are affected by the same factors that bring about great changes in all nature. Fall is the next-best season, then winter.As for summer, it seems to be a good time to take a long vacation from thinking! Ellsworth Huntington decided that climate and temperature have __. A.a great effect on everyone's intelligence B.same effect on most persons' intelligence C.some effect on a few persons' intelligence D.no effect on most persons' intelligence

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第7题
根据以下资料,回答9~12题。 There is one thing that everyone wants more than anything else.
Some people try to get it by making money.They think that when they have enough money to buy such things as houses, farms, and cars, they will have the one thing that everyone wants. Other people believe that if they know enough they will find this thing.They study all their lives in search of it.Still others think that if they have power, they will find this thing.They keep telling themselves: when I am a boss, I will no longer have to search for this thing. What is it that everyone wants more than anything else? What is it that all of us keep working and striving for each day? It is happiness. Happiness is a strange thing.It does not mean the same to all men.What will make one man happy may not make another man happy.Some men say that happiness comes from helping others; other men say that happiness comes from making life more pleasant for everyone.What do you mean when you say "That makes me happy"? Read what different people have said about happiness.Perhaps you will learn something that will bring you peace of mind, comfort, money or it may bring you what you search for --happiness. "Some people try to get it by making money." The underlined "it" means __. A.happiness B.the preceding sentence C.money D.such things as house, farms and cars

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第8题
根据以下资料,回答20~23题。 Many seasoned tourists find they don't like staying in hotels,
and that they prefer to avoid large cities.Does this description fit you? If the answer is yes, The Mountain View Camping Ground is for you.Our camping grounds overlook the spectacular Hampson Valley.We rent tents, bungalows and roulettes.If DIY yourself is your style. brings your own tents or roulettes.All guests enjoy access to cooking facilities, bathrooms with bathing facilities, and a playground for the children. Our panoramic setting offers a wide variety of recreation activities as well as inspiring views of the mountains.Chisom, a quaint summer-resort village, is just 10 minutes by car.Take advantage of the many entertainment, shopping and relaxation opportunities including fitness centres, laundry / valet services, solariums and much more.Have lunch in one of the many restaurants and savor the tasty local cuisine. Mountain View Camping Ground offers fun, relaxation and opportunities for all types of outdoor activities.Call us today to find out how we can make your next holiday perfect. What type of tourist is described at the beginning of the reading? A.A first time tourist. B.An old tourist. C.A tourist who has travelled a lot. D.Young tourists.

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第9题
根据以下资料回答问题。2004~2005 年SMS 增加的用户数是MMS 增加用户数的()倍

A.10.3

B.10.6

C.9.4

D.9

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第10题
根据以下资料,回答20~23题。 There are many stereotypes about the character of people in v
arious parts of the United States.In the Northeast and Midwest, people are said to be closed and private.In the South and West, however, they are often thought of as being more open and hospitable.Ask someone from St.Louis where the nearest sandwich shop is, and he or she will politely give you directions.A New Yorker might eye you at first and after deciding it is safe to talk to you, might give you a rather unexpected explanation.A person from Georgia might be very kind about directing you and even suggest some different places to eat.A Texan just might take you to the place and treat you to lunch. American stereotypes are abundant.New Englanders are often thought of as being friendly and helpful.Southerners are known for their hospitality and warmth.People from the western part of the United States are often considered very outgoing.These differences in character can be traced to different factors such as climate, living conditions, and historical development. When travelling from place to place, Americans themselves are often surprised at the differing degrees of friendliness in the United States. The main idea of the passage is __. A.even Americans are surprised at the big differences among themselves B.there are many differences in character in different parts of the USA C.there are many reason for the differences D.stereotypes about people are not necessarily true

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