题目内容
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People with type A blood cart receive______.
A. AB
B. B
C. O
D. None of the above
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更多“People with type A blood cart …”相关的问题
A．his way of acting and thinking
B．his way of speaking and behaving
C．his learning and behavior
D．his physical appearance and his personality
Nowadays a demand for this specialized type of service has been created because ______.
A．there is a lack of jobs available for artistic people
B．there are so many top-level jobs available
C．there are so many people out of work
D．the job history is considered to be a work of art
The aim of the first type of holiday-makers is__________ ．
A.to enjoy themselves
B.to enjoy good food
C.to have a good sleep
D.to get drunk
Each year, malaria kills at least one million people and causes more than 300 million cases of acute illness. For children worldwide, it’s one of the leading causes of death. The economic burden is significant too: malaria costs Africa more than $12 billion in lost growth each year. In the United States, hundreds of millions of dollars are spent every year on mosquito control.
The type of evidence used in this paragraph is _____
A. data
B. examples
C. explanations
D.experiences
Computers have been designed to store【24】and compute complex problems. Computers are used in【25】traffic in some cities. Stores use computers to keep records of their goods and to send【26】to their customers. Offices use computers to type letters, record business and communicate【27】other offices. People have been using computers in their homes to keep track of expenses and【28】their household appliances on and off.
One important new【29】for computers is for entertainment. Many new games which have been designed to be played on the computers have become very popular【30】.
(46)
A．soon
B．smoothly
C．Vividly
D．rapidly
One important new use for computers is for entertainment. Many new games have been designed to be played, on the computers. People of all ages have been playing these games. They have been going to Arcades where the computer games can be played for a small cost. People also have been buying home computers ,to play computer games at home. They have become very popular indeed.
Computers in the United States ______.
A．used to be too small to use
B．used to be nice
C．used to be heavy
D．used to be large and expensive
Strangely, the more we are exposed to advertising, the less we notice it. We get so used to seeing advertisements everywhere that they become largely invisible, as if they were another part of our everyday lives. But does that mean that we are no longer affected by them？
One advertising expert believes that the special power of advertising lies in the fact that we do not pay much attention to it. Dr. Krugman, who was head of research for a major advertising company for many years, says that the less we notice ads, the more we are affected by them. Dr. Krugman believes that when we stop noticing advertisements, we lower our defenses, allowing the messages of the advertisements to be taken in and stored, ready to be triggered into action at the right moment. He says that the effects of advertising on the individual are small, but over a period of time they have a powerful effect on the masses.
A market analyst says that all advertising, no matter how innocent, is misleading in some way.
When asked about the power of advertising in research surveys, most people agree that it works, but not on them. Almost everyone believes that they have complete control over how thousands of ads they see every day affect them.
Ads exist to make people want______.
A．a new type of orange juice
B．X-brand jeans
C．to watch the latest film
D．what they advertise
Few people experience this type of lifelong relationship or sense of community togetherness now. The American society is much more unsettled now; people often move from neighborhood to neighborhood, city to city, and coast to coast. It is rare to find people who have lived all their lives in one community. Because people move so frequently, they do not have a chance to get to know their neighbors. Perhaps this is also why Americans tend to have a more casual attitude about friendships than people from some other cultures; Americans are accustomed to leaving friends and making new friends. In such an impersonal society, people have lost the habit of saying hello to people they pass on the streets or in the hallways of their apartment buildings.
What is described in the first paragraph？
A．Entertainment in small towns.
B．Americans' adjustment to a moving society.
C．The life style. of Americans in the past.
D．Personal relations in small communities.
There are three main types of influenza virus. The most important of these are types A and B, each of them having several sub-groups. With the instruments at the hospital the doctor recognized that the outbreak was due to a virus group A, but he didn't know the sub-group. He reported the outbreak to the World Health Organization in Geneva. WHO published the important news alongside reports of a similar outbreak in Hong Kong, where about 15%～20% of the population had become ill.
As soon as the London doctors received the package of throat samples, they began the standard tests. They found that by reproducing itself at very high speed, the virus had multiplied more than a million times within two days. Continuing their careful tests, the doctors checked the effect of drugs used against all the known sub-groups of type A virus. None of them gave any protection. This then, was something new; a new influenza virus against which the people of the world had no ready help whatsoever.
Having isolated the virus they were working with, the doctors now conducted tests on some specially selected animals, which contracted influenza in the same way as human beings did. In a short time the usual sign of the disease disappeared. Theses experiments revealed that the new virus spread easily, but that it was not a killer. Scientists, like the general public, called it simply "Asian" flu.
The influenza discovered by a doctor in Singapore is caused by ______.
A．a new type of virus
B．type A virus
C．a sub-group of type B virus
D．a virus only existing in Asia
根据下列文章,请回答 41～45 题。
Effects of Exercise on Elderly Diabetics(糖尿病人)
Most older people with S0—called type 2 diabetes(糖尿病)couldstop taking insulin(胰岛素)if they would do brisk(轻快的)exercise for 30minutes just three times a week，according to new medical research resultsreported in a Copenhagen newspaper．Results from tests conducted on diabeticsat the Copenhagen central hospital Rigshospitalet'S Center for Muscle Researchshowed that physical exercise can boost the body's ability to make use ofinsulin by 30 per cent．This is equal to the effect most elderly diabetics getfrom their insulin medication(药物治疗)today．
Researchers had a group of non-diabetic men and agroup of men with type 2 diabetes，all more than 60 years of age，exercise onbicycles six times a week for three months．After the three months the doctorsmeasured how much sugar the test subjects,muscles could make use of as ameasure for how well their insulin worked．
Associate Professor Dr Flemming Dela of the Muscle Research Center saidthe tests demonstrated that the exercising diabetics had made as good use of insulinas the healthy non．diabetic persons．“This means that the insulin works just aswell for both groups．Physical exercise cannot cure people of diabetes，but itcan eliminate almost all their symptoms．At the same time It can put off thepoint at which they have to begin taking insulin．”Dela said．
Insulin is a hormone produced by the pancreas(胰腺)，controlling sugar inthe body and is used against diabetes．
Dela said that to achieve the desired effect diabetics need onlyexercise to the point where they begin to sweat。but that the activity has to bemaintained since it wears off after five days without sufficient exercise．
Most diabetics realize that they have to watch their diet whileremaining unaware of the importance of exercise。Dela added．
第 41 题 What is the effect of exercise on elderlypeople with type 2 diabetes？
A．It can help the body make betteruse of insulin
B．It can worsen their symptoms．
C．It can help them to eat more．
D．It can cure them of thedisease．
