单选集
单选集
Passage 2
| Economically, the world can be divided
into two parts. The difference between them is that one part in poor and the
other is wealthy. In the poor countries of the world, a lot of people never get
enough to eat. In the wealthy countries, a lot of people eat too much. The
tragedy is that there are more people in the poor countries than there are in
the wealthy countries. It is estimated that about 80% of the world’s
population cannot afford to have proper food, housing or medical
care. The poorer countries are often referred to as the Third World. They have special problems. Often their land is too poor to grow anything on. The land can be improved. But a lot of things have to be done first new farming methods have to be introduced, people have to be educated, and reliable sources of water and energy have to be found. Many of these, problems are too complex for one country to solve alone. Outside help is needed, but is has to be the right kind of help. Money is not enough. Newly developed countries need to be helped to be able to help themselves. |
A:There are more wealthy countries in the world B:There are more poor countries in the world C:There are more wealthy people in the wealthy countries D:There are more poor people in the poor countries
Passage 2
| Economically, the world can be divided
into two parts. The difference between them is that one part in poor and the
other is wealthy. In the poor countries of the world, a lot of people never get
enough to eat. In the wealthy countries, a lot of people eat too much. The
tragedy is that there are more people in the poor countries than there are in
the wealthy countries. It is estimated that about 80% of the world’s
population cannot afford to have proper food, housing or medical
care. The poorer countries are often referred to as the Third World. They have special problems. Often their land is too poor to grow anything on. The land can be improved. But a lot of things have to be done first new farming methods have to be introduced, people have to be educated, and reliable sources of water and energy have to be found. Many of these, problems are too complex for one country to solve alone. Outside help is needed, but is has to be the right kind of help. Money is not enough. Newly developed countries need to be helped to be able to help themselves. |
A:newly developed countries B:rich countries C:developing countries D:developed countries
? ?下面有3篇短文，每篇短文后有5道题，每道题后面有4个选项。
{{B}}第一篇{{/B}}
| ? ? ? ? ? ? ?
? ? ? ? ? ? ? ?{{B}}Clobal Cancer Rates to
Rise 50% by 2020{{/B}} ? ?The number of new cancer cases worldwide is expected to increase by 50% by the year 2020. But a new report suggests that as many as a third of new cancers could be avoided by adopting healthier lifestyles and through public health action. ? ?The World Cancer Report, released by the International Agency for Research on Cancer (IARC, part of the World Health Organization), shows that cancer has now emerged as a major public health threat in developing countries as well as affluent ones. ? ?Overall, cancer was responsible for 12% of all heaths in 2000. But in many countries more than a quarter of all deaths are caused by cancer. ? ? The report shows that 10 million new cancers were diagnosed globally in 2000, and that number is expected to rise to 15 million by 2020. Researchers say most of that increase will mainly be due to steadily aging populations in both developed and developing countries and current trends in smoking and other unhealthy habits. ? ?"Cancer has emerged as a major public health problem in developing countries for the first time, matching its effect in industrialized countries," says researcher Paul Kleihues, MD, director of IARA, in a news release. "Once considered a ’Western’ disease, the Report highlights that more than 50 percent of the world’s cancer burden, in terms of both numbers of cases and deaths, already occurs in developing countries." ? ?The risk of being diagnosed with cancer in developed countries is double that in less-developed ones. However, the risk of dying from cancer is much higher in developing countries, where 80% of cancer patients already have late-stage incurable tumors at the time of diagnosis. ? ?Researchers say cancer rates have traditionally been higher in developed countries due to greater exposure to tobacco, occupational carcinogens, and an unhealthy Western diet and lifestyle. As less-developed countries become industrialized and more prosperous, they tend to adopt the high-fat diet and low physical activity levels typically seen in the West, which increase cancer rates. |
A:double that in developing countries B:much higher than that in developing countries C:the same as that in developing countries D:much lower than that in developing countries
Germs（细菌） on Banknotes People in different countries use different types of money: yuan in China, pesos in Mexico, pounds in the United Kingdom, dollars in the United States, Australia and New Zealand. They may usedifferent currencies, but these countries, and probably all countries, still have one thing in ______ (51)（变化）: germs on the banknotes. Scientists have been studying the germs on money for well over。100 years. At the turn of the 20th ______ (52), some researchers began to suspect that germs living on money could spread disease. Most studies of germy money have looked at the germs on the currency ______ (53) one country. In a new study, Frank Vriesekoop and other researchers compared the germ populations found on bills of different ______ (54). Vriesekoop is a microbiologist at the University of Ballarat in Australia. He led the study, which compared the germ populations found on money ______ (55) from 10 nations. The scientists studied l,280 banknotes in total; all came from places where people buy food, like supermarkets, street vendors and cafes, ______ (56) those businesses often rely on cash. Overall, the Australian dollars hosted the fewest live bacteria---no more than 10 per square centimeter. Chinese yuan had the ______(57)（变化）---about 100 per square centimeter. Most of the germs on money probably would not cause harm. What we call "paper money" ______ (58)（变化）isn’t made from paper. The U.S. dollar, for example, is printed on fabric that is mostly cotton. Different countries may use different ______ (59) to print their money. Some of the currencies studied by Vriesekoop and his team, such as the American dollar, were made from cotton. Others were made from polymers. The three ______ (60) with the lowest numbers of bacteria were all printed on polymers. They included the Australian dollar, the New Zealand dollar and some Mexican pesos. The ______ (61) （变化）currencies were printed on fabric made mostly of cotton. Fewer germs lived on the polymer notes. This ______ (62)（变化） suggests that germs have a harder time staying alive on polymer surfaces. Scientists need to do more studies to understand ______ (63) （变化）germs live on money---and whether or not we need to be concerned. Vriesekoop is now starting a study that will ______ (64) the amounts of time bacteria can stay alive on different types of bills. Whatever Vriesekoop finds, the fact remains：Paper money ______ (65)（变化） germs. We should wash our hands after touching it; After all, you never know where your money’s been. Or what’s living on it.
A:countries B:areas C:regions D:provinces
Life Expectancy in the Last Hundred Years
? ?A hundred years ago, life expectancy in developed countries was about 47; in the early 21st century, men in the United States and the United Kingdom can expect to live to about 74, women to about 80, and these ?(51) ? are rising all the time. What has brought ?(52) ? these changes? When we look at the life ?(53) ? of peoplel00 years ago, we need to look at the greatest ?(54) ? of the time. In the early 20th century, there were the acute and often ?(55) ? infectious diseases such as smallpox. Many children died very young from these diseases and others, and the weak and elderly were always at risk.
? ?In the ?(56) ? world these diseases are far ?(57) ? today, and in some cases have almost disappeared ?A ?number of ?(58) ? have led to this: improvements in sanitation and hygiene, the discovery and use of antibiotics, which ?(59) ? bacterial diseases much less dangerous, and vaccinations ?(60) ? common diseases. ?(61) ?, people’s general health has improved with improvements in our general environment: cleaner air, better means of preserving food, better and warmer housing, and better understanding of nutrition.
? ?Genetically, we should all be able to live to about 85 but ?(62) ? people do live longer today, there are still some big killers around that are preventing us from consistently reaching that age. The problems that affect people today are the more chronic illnesses, such as heart disease and strokes, and those ?(63) ? by viruses, such as influenza and AIDS. Of course, cancer is a huge killer as well. In most cases these diseases affect ?(64) ? people, but there are worrying trends in the developed world with problems such as obesity ?(65) ? more heart disease and illnesses such as diabetes at younger ages.
? ?The killers today can be classed as "lifestyle diseases", which means that it may be possible to halt their progress.
A:ages B:years C:lives D:countries
A:ages B:years C:lives D:countries
? ?阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。
| ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ? {{B}}Diet,
Alcohol Linked to Nearly One Third of Cancers{{/B}} ? ?Diet is second only to tobacco as a leading{{U}} ?(51) ?{{/U}}of cancer and, along with alcohol, is responsible for nearly one third of cases of the disease{{U}} ?(52) ?{{/U}}developed countries, a leading researcher said on Tuesday. ? ?Dr. Tim Key, of the University of Oxford, told a cancer conference that scientists are still discovering how certain foods contribute to{{U}} ?(53) ?{{/U}}, but they know that diet, alcohol and obesity{{U}} ?(54) ?{{/U}}a major role. ? ?"Five percent of cancers could be avoided{{U}} ?(55) ?{{/U}}nobody was obese," he said. ? ?While tobacco is linked to about 30{{U}} ?(56) ?{{/U}}of cancer cases, diet is involved in an estimated 25 percent and alcohol{{U}} ?(57) ?{{/U}}about six percent. ? ?Obesity raises the{{U}} ?(58) ?{{/U}}of breast, womb, bowel and kidney cancer, while alcohol is known to cause cancers of the mouth, throat and liver. Its dangerous impact is{{U}} ?(59) ?{{/U}}when combined with smoking. ? ?Key told the meeting of the charity Cancer Research UK{{U}} ?(60) ?{{/U}}other elements of diet linked to cancer are{{U}} ?(61) ?{{/U}}unknown but scientists are hoping that the EPIC study, which is comparing the diets Of 500,000 people in 10 countries and their risk of cancer, will provide some{{U}} ?(62) ?{{/U}}. ? ?Early results of the study have revealed that Norway, Sweden and Denmark have the{{U}} ?(63) ?{{/U}}consumption of fruit and vegetables among European countries while Italy and Spain have the highest. Eating at{{U}} ?(64) ?{{/U}}five portions of fruit and vegetables a day is recommended to reduce the risk of cancer. ? ?Key, principal scientist on the EPIC study, said it is looking at dietary links to some of the most common cancers{{U}} ?(65) ?{{/U}}colorectal, breast and prostate. |
A:percent B:countries C:people D:number
The risk of dying from cancer in developed countries is
A:double that in developing countries. B:much higher than that in developing countries. C:the same as that in developing countries. D:much lower than that in developing countries.
| ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ? ?
? ? ? ? {{B}}? ?Diet, Alcohol Linked to Nearly One
Third of Cancers{{/B}} ? ?Diet is second only to tobacco as a leading{{U}} ?(51) ?{{/U}}of cancer and, along with alcohol, is responsible for nearly one third of cases of the disease{{U}} ?(52) ?{{/U}}developed countries, a leading researcher said on Tuesday. ? ?Dr. Tim Kev, of the University of Oxford, told a cancer conference that scientists are still discovering how certain foods contribute to{{U}} ?(53) ?{{/U}}, but they know that diet, alcohol and obesity (肥胖){{U}} (54) ?{{/U}}a major role. ? ?"Five percent of cancers could be avoided{{U}} ?(55) ?{{/U}}nobody was obese(肥胖的)," he said. While tobacco is linked to about 30{{U}} ?(56) ?{{/U}}of cancer cases, diet is involved in all estimated 25 percent and alcohol{{U}} ?(57) ?{{/U}}about six percent. ? ? Obesity raises the{{U}} ?(58) ?{{/U}}of breast(乳腺), womb(子宫), bowel and kidney cancer, while alcohol is known to cause cancers of the mouth, throat and liver. Its dangerous impact is{{U}} ?(59) ?{{/U}}when combined with smoking. ? ?Kev told the meeting of the charity Cancer Research UK{{U}} ?(60) ?{{/U}}other elements of diet linked to cancer are{{U}} ?(61) ?{{/U}}unknown but scientists are hoping that the EPIC study, which is comparing the diets of 500,000 people in 10 countries and their risk of cancer, will provide some{{U}} ?(62) ?{{/U}}. ? ?Early results of the study have revealed that Norway, Sweden and Denmark have the{{U}} ?(63) ?{{/U}}consumption of fruit and vegetables among European countries while Italy and Spain have the highest. Eating at{{U}} ?(64) ?{{/U}}five portions of fruit and vegetables a day is recommended to reduce the risk of cancer. ? ?Key, principal scientist on the EPIC study, said it is looking at dietary links to some of the most common cancers{{U}} ?(65) ?{{/U}}colorectal, breast and prostate. |
A:percent B:countries C:people D:number
{{B}}第三篇{{/B}}
| ? ? ? ? ? ?{{B}}Global
Cancer Rates to Rise by 50% by 2020{{/B}} ? ?The number of new cancer cases worldwide is expected to increase by 50% by the year 2020. But a new report suggests that as many as a third of new cancers could be avoided by adopting healthier lifestyles and through public health action. ? ?The World Cancer Report, released by the International Agency for Research on Cancer, shows that cancer has now emerged as a major public health threat in developing countries as well as rich ones. ? ?Overall, cancer was responsible for 12% of all deaths in 2000. But in many countries more than a quarter of all deaths are caused by cancer. ? ?The report shows that 10 million new cancers were diagnosed globally in 2000, and that number is expected to rise to 15 million by 2020. Researchers say most of that increase will mainly be due to steadily aging populations in both developed and developing countries and current trends in smoking and other unhealthy habits. ? ?"Cancer has emerged as a major public health problem in developing countries for the first time, matching its effect in industrialized (工业化的) countries," said researcher Paul Kleihues, MD, director of IARC, in a news release. "Once considered a ’Western’ disease, the Report highlights that more than 50 percent of the world’s cancer burden, in terms of both numbers of cases and deaths, already occurs in developing countries." ? ?The risk of being diagnosed with cancer in developed countries is double that in less-developed ones. However, the risk of dying from cancer is much higher in developing countries, where 80% of cancer patients already have late-stage incurable tumors (肿瘤) at the time of diagnosis. ? ?Researchers say cancer rates have traditionally been higher in developed countries due to greater exposure to tobacco, occupational carcinogens (致癌物), and an unhealthy Western diet and lifestyle. As less-developed countries become industrialized and more prosperous, they tend to adopt the high-fat diet and Iow physical activity levels typically seen in the West, which increase cancer rates. |
A:double that in developing countries. B:much higher than that in developing countries. C:the same as that in developing countries. D:much lower than that in developing countries.
