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- 单选题Many kinds of animals have vanished from the earth.
- 单选题You must shine your shoes.
- 单选题These shops sell a diverse range of gifts of local features.
- 单选题You will have a great conversation and maybe even get a date or make a new friend.
- 单选题Below 600 feet ocean waters range from dimly lit to completely dark.
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Preferences Vary on Circumstances of Dying<br><br>Among terminally(晚期)ill people, attitudes differ on what they think constitutes a <br>_______(1)or bad death,the results of a new study suggest.<br>Dr. Elizabeth K. Vig of the University of Washington in Seattle and colleagues interviewed <br>26 men with_________(2)heart disease or cancer.The men were asked to describe <br>good and bad deaths,and they also answered________(3)about their preferences <br>for dying.<br>"In this small study,terminally ill men described good and bad deaths_____(4)," <br>Vig said."They did not hold the same views about such issues________(5)the <br>presence of others at the very end of life or preferred location of death."<br>Many of the men considered_______(6)in their sleep to be a good death.The <br>reasons were varied and included not_________(7) that death was imminent(即将发生<br>的),and that death would be painless.<br>For close to half of the men , a prolonged(拖延的)death was __________ (8) a bad <br>death.Some of the men associated a prolonged death with prolonged pain,_________<br> (9)others thought a prolonged death would be difficult for their families.<br>Most men said that their______(10)were very important to them,but this did <br>not mean that they wanted relatives close at the________(11)of death."Valuing family did <br>not also_________(12)wanting family present at the very end of life,"Vig said.<br>"In fact,some expressed concerns___________(13)burdening loved ones,"Vig said.<br>For instance,some men were worried about the emotional or________(14) <br>impact on their family members,according to the Washington researcher. Some were <br>worried________(15)their need for care would be a burden on their families,she said.
- 单选题The city has decided to get rid of all the old buildings in its center.
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"Much of the sickness and death attributed_________(51)the major communicable diseases is in fact caused by malnutrition which makes the body less able to withstand infections when they strike",said Dr. Hiroshi Nakajima,Director-General of WHO,in his statement on the first day of the World Food Summit.<br>
"At the same time,"he added,"in developing countries today,malnutrition is the cause of 174 million children under five years of age being________(52),and 230 million being stunted in their growth.Such_________(53)represent deprivation,suffering and wasted human potential __________(54)a scale that is unacceptable from every point of view. Whether we think in __________(55)of humanitarian concern,common justice or development needs,they demand a ___________(56),both from national governments and from international community."At the end of January 1996,98__________(57)had national plans of action for nutrition and 41 countries had one under preparation,in keeping with their___________(58)made at the International Conference on Nutrition in Rome in December 1992.<br>
The global situation,__________(59),remains grim. It is now __________(60)that 6.6 million out of the estimated 12.2 million deaths_________(61)are among children under five.In some__________(62),such as sub-Saharan Africa and south Asia,stagnation (停滞)of nutritional improvement_________(63)with a rapid rise in population has result in an ________(64)increase in total number of malnourished children.Over 800 million people around the world still cannot_________(65)basic needs for energy and protein,more than two thousand million people lack essential micronutrients,and hundreds of millions suffer from diseases caused by unsafe food and unbalanced diets.
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Most Adults in US Have Low Risk of Heart Disease<br>More than 80 percent of US adults have a less than 10-percent risk of developing heart disease in the next 10 years,according to a report in the Journal of the American College of Cardiology.Just 3 percent have a risk that exceeds 20 percent.<br>"I hope that these numbers will give physicians,researchers,health policy analysts,and others a better idea of how coronary heart disease is distributed in the US population,"lead author Dr.Earl S.Ford,from the Centers for Disease Control and Prevention in Atlanta,said in a statement.<br>The findings are based on analysis of data from 13,769 subjects,between 20 and 79 years of age,who narticipated in the Third National Health and Nutrition Examination Survey from 1988 to 1994.<br>Overall,82 percent of adults had a risk of less than 10 percent,15 percent had a risk that fell between 10 to 20 percent,and 3 percent had a risk above 20 percent.<br>The proportion of subjects in the highest risk group increased with advancing age,and men were more likely than women to be in this group.By contrast,race or ethnicity had little effect on risk distributions.<br>Although the report suggests that most adults have a low 10-year risk of heart disease,a large proportion have ahigh or immediate risk,Dr.Daniel S.Berman,from Cedars-Sinai Medical Center in Los Angeles,and Dr.Nathan D.Wong,from the University of California at Irvine,note in a related editorial.<br>Aggressive treatment measures and public health strategies are needed to shift the overall population risk downward,they add.
- 单选题Society is now much more diverse than ever before.
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Which foods should be eaten to keep us healthy?Let us look at some important vitamins for these answers.<br>Vitamin A helps prevent skin and other tissues from becoming dry.People who do not get enough vitamin A cannot see well in darkness.Vitamin A is found in fish liver oil.It also is in the yellow part of eggs.Sweet potatoes,carrots and other darkly colored fruits and vegetables contain substances that the body can change into vitamin A.<br>Vitamin B-one changes starchy(含淀粉的)foods into energy. It also helps the heart and nervous system work smoothly.Without it,we would be weak and would not grow.Vitamin B-one is found not just in whole grains like brown rice,but also in other foods.These include beans and peas,nuts,and meat and fish.<br>Vitamin B-twelve is needed so folic acid(叶酸)can do its work. Together, they help produce red blood cells.Vitamin B-twelve is found naturally in foods such as eggs,meat,fish and milk products.Folic acid has been shown to prevent physical problems in babies when taken by their mothers during pregnancy.Vitamin B-twelve is found in green leafy vegetables and other foods,like legumes and citrus fruits.In some countries,it is added to products like bread.<br>Vitamin C is needed for strong bones and teeth,and for healthy blood passages.It also helps wounds heal quickly.The body stores little vitamin C.So we must get it every day in foods such as citrus(柑橘类)fruits,tomatoes and uncooked cabbage.<br>Vitamin D increases levels of the element calcium in the blood.Calcium is needed for nerve and muscle cells to work normally.It also is needed to build strong bones.Ultraviolet light from the sun changes a substance in the skin into vitamin D.Fish liver oil also contains vitamin D.<br>Vitamin K is needed for healthy blood.It thickens the blood around a cut to stop bleeding. Vitamin K can be found in pork products,liver and in vegetables like cabbage,kale and spinach.
- 单选题At the age of 30,Hersey suddenly became a celebrity.
- 单选题I wonder who first conceived the idea of cutting a hole in the door.
- 单选题What can you do to ensure that you will stay healthy?
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A Health Profile<br><br>A health profile is a portrait of all of the factors that influence your health.To draw your health profile, <br>you will__________(51)what diseases run in your family,what health hazards you may be exposed to <br>_________(52)work,how your daily__________(53)compares to the recommended standards,how much <br>timE per week you________(54)exercising and what type of exercise you engage_________(55),how <br>stressful your work and family environments are,what kinds of illnesses you get regularly,and_______(56)<br>or not you have any one of a number of addictions._______(57)this portrait,you should have a checkup <br>to determine how your blood,heart,and lungs are functioning.This checkup will serve________(58)a <br>haseline,to which you can then comPare later tests.<br>_________(59)this profile 15 thoroughly drawn,you can begin to think about setting health priorities <br>based__________(60)your particular portrait.For example,if you drink two martinis every evening,have a<br>high-stress______(61),are overweight,。moke a pack of cigaretteo a day,and uoe marijuana occaoional-<br>ly on weekends,you should quit smoking first,followed_________(62)losing the excess weight,reducing <br>the stress of your job,giving up your marijuana habit,and then finally giving some________(63)to those<br>martinis if you want to prevent first cancer,and then heart disease.Even for the youthful working person <br>who has never been sick a day in his life,who 15__________(64)excellent health,a good look at all health <br>habits and at work and home environments may suggest changes that will_______(65)him in the future.
- 单选题This is not typical of English,but is a feature of the Chinese language,
- 单选题She shed a few tears at her daughter’s wedding.
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第一篇<br><br>irradiating(照射)fruits, vegetable, pork and chicken to kill insects and bacteria has been approved by the Food and Drug Administration over the past decade or so.Irradiation of other meats, such as beef and lamb,is being reviewed.Federal approval dose not require that industry adopt the process,and few food processors presently offer irradiated products.<br>Market studies have shown that many consumers are afraid that eating irradiated food may cause cancer,despite scientific studies that prove the safety of treated food.Some people argue that more severe government inspection,higher food-safety standards,and more careful food-preparation practices by consumers are all that is needed to ensure that food is safe.Consequently,companies currently see no need to spend millions of dollars outfitting(配备)processing plants with the equipment necessary for a process that very few shoppers are in favor of.<br>All supermarkets that sell irradiated food must label that food either directly on the packaging or in the case of bulk items like fruits and vegetables by placing a sign nearby. There is no requirement for the labeling of irradiated food served by chain restaurants or hospitals that buy directly from distributors,nor any regulations for products that contain irradiated ingredients.<br>Presently,the FDA allows food to be treated with three types of radiation一gamma rays,highenergy electrons,and X-rays,and sets limits on doses(辐射量)depending on the type of food. The principle is that the dose to be used for a certain type of food should not exceed the amount that is sufficient to kill most harmful insects and bacteria present in it.Different types of food,because of their different molecular(分子)compositions,may require different doses of radiation.
- 单选题The most urgent problem any economic system faces is how to use its scarce resources.
- 单选题It is an inevitable consequence of the decision.