We work to make money, but it is （ ）a that people who work hard and long often do not make the most money.
A.dilemma B.conflict C.prejudice D.paradox
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We work to make money, but it is （ ）a that people who work hard and long often do not make the most money.
The robbers broke into the bank, （ ）the clerks with revolvers and forced them to give money just as they were about to knock off.
It is necessary that he（ ）the assignment without delay.
A big problem in lemming English as a foreign language is lack of opportunities for （ ）interaction with proficient speakers of English.
Occasional self-medication has always been part of normal living. The making and selling of drugs has a long history and is closely linked, like medical practice itself, with the belief in magic. Only during the last hundred years or so has the development of scientific techniques made it possible for some of the causes of symptoms to be understood, so that more accurate diagnosis has become possible. The doctor is now able to follow up the correct diagnosis of many illnesses with specific treatment of their causes. In many other illnesses, of which the causes remain unknown, it is still limited, like the unqualified prescribes, to the treatment of symptoms. The doctor is trained to decide when to treat symptoms only and when to attack the cause: this is the essential difference between medical prescribing and self-medication.The advance of technology has brought about much progress in some fields of medicine, including the development of scientific drug therapy. In many countries public health organization is improving and people’s nutritional standards have arisen. Parallel with such beneficial trends are two which have an adverse effect. One is the use of high-pressure advertising by the pharmaceutical industry, which has tended to influence both patients and doctors and has led to the overuse of drugs generally. The other is the emergence of the sedentary society with its faulty ways of life: lack of exercise, over-eating, unsuitable eating, insufficient sleep, excessive smoking and drinking. People with disorders arising from faulty habits such as these, as well as from unhappy human relationships, often resort to self-medication and so add the taking of pharmaceuticals to the list. Advertisers go to great lengths to catch this market.Clever advertising, aimed at chronic sufferers who will try anything because doctors have not been able to cure them, can induce such faith in a preparation, particularly if steeply priced, that it will produce-by suggestion-a very real effect in some people. Advertisements are also aimed at people suffering from mild complaints such as simple colds and coughs, which clear up by themselves within a short time.These are the main reasons why laxatives, indigestion remedies, painkillers, tonics, vitamin and iron tablets and many other preparations are found in quantity in many households. It is doubtful whether taking these things ever improves a person’s health; it may even make it worse. Worse because the preparation may contain unsuitable ingredients; worse because the taker may become dependent on them; worse because they might be taken in excess; worse because they may cause poisoning, and worse of all because symptoms of some serious underlying cause may be masked and therefore medical help may not be sought.1.The first paragraph is intended to （ ）.2.Advertisements are aimed at people suffering from mild complaints because （ ）.3.Paragraphs 2 and 3 explain （ ）.4.In Paragraph 4 the author illustrates （ ）.5.The best title for the text would be（ ）.
Material culture refers to the touchable, material “things’’-physical objects that can be seen, held, felt, used-that a culture produces. Examining a culture’s tools and technology can tell us about the group's history and way of life. Similarly, research into the material culture of music can help us to understand the music-culture. The most vivid body of “things” in it, of course, are musical instrument. We cannot hear for ourselves the actual sound of any musical performance before the 1870s when the phonograph was invented, so we rely on instruments for important information about music-cultures in the remote past and their development. Here we have two kinds of evidence: instruments well preserved and instruments, pictured 'in art. Through the study of instruments, as well as paintings, written documents, and so on, we can explore the movement of music from the Near East to China over a thousand years ago, or we can outline the spread of Near Eastern influence to Europe that resulted in the development of most of the instruments on the symphony orchestra.Sheet music or printed music, too, is material culture. Scholars once defined folk music-cultures as those in which people learn and sing music by ea
