职称英语 (12)
最新试题
It is a comfiicatedproblem（）
02-21
He believes that from a military standpoint,the situation is under control.
05-09
She persevered in her ideas despite obvious objections raised by friends.
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Our arrangements were thrown into complete turmoil.
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Light rays are turned aside by the intense gravitational field surrounding a black hole.
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At that time we did not fully grasp the significance of what had happened.
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The architecture is harmonious and no building is over six-storey high.
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The food is inadequate for ten people.
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Studies have shown that the stature of an average Japanese has surpassed that of an average Chinese.
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第三篇 The World’s Best-Selling Medicine
Since ancient times， people all over the world have used willow to stoppain. The willow tree contains salicylic acid (水杨酸）. This stops pain，butthere is one problem. Salicylic acid also hurts the stomach. In 1853，aFrench scientist made a mixture from willow that did not hurtthe stomach. However, his mixture was difficult to make, and he did not try to produceor sell it.
In 1897，in Germany Felix Hoffmann also made a mixturewith salicylic acid. He tried it himself first it to hisfather because his father was old and in a lot of pain. His father’s, pain wentaway，and the mixture did not hurt his stomach.
Hoffmann worked forBayer，a German company. He showed his new drug to hismanager，who tested the drug and found that itworked well. Bayer decided to make the drug. They called it aspirin and putthe Bayer name on every pill.
Aspirin was an immediate success. Almosteveryone has pain of some kind, so aspirin answered a true need. Aspirin was cheap, easy totake, and effective. It also lowered fevers. Aspirin was a wonder drug.
At first，Bayersold the drug through doctors, who then sold it to their patients. In 1915, the company started to sellaspirin in drugstores. In the United States，Bayer had a pate+ (专利权）on the drug. Other companiescould make similar products and sell them in other countries，butonly Bayer could make and sell aspirin in the UnitedStates. In time， Bayer could no longer own the nameaspirin in the United States. Other companies could make it there，too. However, Bayer aspirin was the most wellknown, and for many years, it was the market leader.
the 1950s，newpainkillers were on the market. Aspirin was no longer the only way to treatpain and reduce fever. Bayer and other companies looked for other drugs tomake. However in the 1970s they got a surprise. Doctors noticed that patientswho were taking aspirin had fewer heart attacks than other people.
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热门试题
Dreams
Everyone can dream. Indeed, everyone does dream. Those who (51)thatthey never dream at all actually dream (52) as frequently as the rest of us， (53)they may not remember anything about it. Even those of us who are perfectly (54) of dreaming night after night very seldom remember those dreams in (55)detail but merely retain an untidy mixture of seemingly unrelated _ (56),Dreams are not simply visual — we dream with all our (57)so that we appear to experience sound, touch, smell, and taste.
One of the world’s oldest_ (58) written documents is the Egyptian Book of Dreams. This volume is about five thousand years old, so you can see _ __ (59) dreams were believed to have a special significance even then. Many ancient civilizations believed that you_(60) never wake a sleeping person as, during sleep, the soul had left the body and might not be able to return _(61) time if the sleeper were suddenly awoken.
From ancient times to the present (62)，people have been making attempts to interpret dreams and to (63) their significance. There are many books availableon the (64) of dream interpretation， although unfortunately there are almost as many meanings for a particular dream (65) there are books.
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A Doctor in the House
Brushing your teeth twice a day should keep the dentist away .But if a group of scientific researchers have their wish，it will make the rest of your body healthy too. ________(46) It is one of many gadgets (小装置) proposed by engineers and doctors at the Center for Future Health in New York — others include a pair glasses that help to jog your memory, and a home camera designed to check for cancer.
The devices seem fanciful，but the basic principles are simple. The gadgets should make it easy for people to detect illness long before it strikes and so seek treatment far earlier than normal. _______(47) In the long run，the technology may even prevent illness by encouraging us to lead healthier lives.
Intelligent bandages (绷带）are a good example powerful sensors within the bandage could quickly identify tiny amounts of bacteria in a wound and determine which antibiotics (抗生素）would work best. ______ (48)
Socks are long overdue for a makeover. In the future they will be able to automatically detect the amount of pressure in your foot and alert you when an ulcer (溃疡）is coming up.
All the projects should have far-reaching implications but the biggest single development is a melanoma (黑瘤）monitor designed to give early warnings of cancer. ____(49) If a problem is found, the system would advise you to get a check-up at your doctor’s surgery.
If all this sounds troublesome，then help is at hand . ____(50)
Food Safety and Foodborne Illness
Food safety is an increasingly important public health issue. Governments all over the world are intensifying their efforts to_______ (51) food safety. These efforts are in response to an increasing number of food safety problems and_______ (52) .consumer concems.
Foodbome illnesses are defined as diseases, usually either infectious or toxic （有毒的） in nature，caused by agents that_______ (53) the body through the ingestion （摄取）of food. Every person is _______ (54) risk of foodbome illnesses.
Foodbome diseases are a widespread and growing public health_______ (55)，both in developed and developing countries. The global incidence of foodborne diseases is difficult to ______ (56)，but it has been reported that in 2005 alone 8 million people died
from diarrhoeal （腹泻）diseases. A great proportion of these ______ (57) can be attributed to contamination （污染）of food and drinking water. Additionally，diarrhoea is a _______ (58) cause of malnutrition （替养不良）in ihfants and young children.
In industrialized countries，the percentage of the population suffering from foodbome diseases each year has been ___ (59) to be 10% up to 30%.In the United States of America，for example, around 76 million cases of foodbome diseases，resulting _____ (60) 325,000， hospitalizations and 5,000 deaths，are estimated to occur each year.
_______ (61) less well documented，developing countries bear the brunt （首当其冲）of the problem due to the presence of a wide _______ (62) of foodbome diseases，including those caused by parasites （寄生虫）. The high prevalence of diarrhoeal diseases in many developing countries suggests major_______ (63) food safety problems.
In partnership with other stakeholders，WHO is developing_______ (64) that will further promote the safety of food. These policies (65) the entire food chain from production to consumption and will make use of different types of expertise （专长）.
The proposal was endorsed by the majority of members.
His eyes widened in surprise after hearing the news.
My father always takes a stroll for a while after supper.
He shifted his position a little in order toalleviate the pain in his leg.
This house is full of crevices as a result of the vicious earthquake that hit the city last night.
A turbu1ent storm was a major factor in the defeat of the Spanish Armada.
I have benefited a lot from extensive reading.
