题目内容
Part B
Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE.
听力原文： No organ of the body is less appreciated than the skin, one of our biggest organs -- and the most telltale -- it mirrors the state of our health, our age, and our race. Occupation and way of life may also become indelibly imprinted for all to see. Here some facts about our outer covering organ to show that there is more to the skin than meets the eye.
Your skin is your body's thermostat. It adjusts heat gain and loss so that the internal temperature remains within the normal range of 97 to 99 degrees.
It takes about two square yards of skin to cover the average adult from head to toe. Undoubtedly the most intricate wrapping in existence, the skin contains 3 million cells, three feet of blood vessels, and twelve feet of nerves . in each area the size of a postage stamp.
The widest difference between the darkest human skin and that of an albino is brought about by not more than 1/25 of an ounce of melanin. As far as is known, the amount of this dark brown or black pigment accounts for all our variations in racial colors, including yellow, brown, and black.
What is the skin？
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A．His stories were inspired by his travels,B．His travels prevented him from writing.C．
Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文： The first English dictionary was published in 1604. The dictionary was actually nothing more than a list of about 3,000 difficult words, each followed by a one word definition. The author, Robert Cadre, made no attempt to include everyday words in his dictionary. During the 1600s more dictionaries were published. Each followed Cadre's lead and presented a few thou sand hard words. Around 1700 one dictionary maker, John Kersey, did define easy words as well as hard ones. But until the 1750s all dictionaries were rather crude and not very valuable.
A man named Dr. Samuel Johnson changed all this. In 1755, Dr. Johnson produced the first modern dictionary. He included in his dictionary all. important words, and he gave good meanings. By the end of the 1700s most dictionary makers had followed Johnson's lead. Dictionaries were getting better and better.
The 1800s saw the greatest improvement in the quality of dictionaries. In England scholars planned and prepared the Oxford English Dictionary. One of the most interesting features of the Oxford Dictionary is its word histories. It traces the history of each word from its earliest recorded use up to the time of the printing of the dictionary.
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When will the woman make coffee？
Section B
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
Are organically grown foods the best food choices？ The advantages claimed for such foods over conventionally grown and marketed food products are now being debated. Advocates of organic foods— a term whose meaning varies greatly—frequently proclaim that such products are safer and more nutritious than others.
The growing interest of consumers in the safety and nutritional quality of the typical North American diet is a welcome development. However, much of unsafe or inadequate in meeting nutritional needs. Although most of these claims are not supported by scientific evidence, the preponderance of written material advancing such claims makes it difficult for the general public to separate fact from fiction. As a result, claims that eating a diet consisting entirely of organically grown foods prevents or cures disease or provides other benefits to health have become widely publicized and form. the basis for folklore.
Almost daily the public is besieged by claims for "no-aging' diets, new vitamins, and other wonder foods, there are numerous unsubstantiated reports that natural vitamins are superior to synthetic ones, that fertilized eggs are nutritionally superior to unfertilized eggs, that untreated grains are better than fumigated grains, and the like.
One thing that most organically grown food products seem to have in common is that they cost more than conventionally grown foods. But in many cases consumers are misled if they believe organic foods can maintain health and provide better nutritional quality than conventionally grown foods. So there is real cause for concern if consumers, particularly those with limited incomes, distrust the regular food supply and buy only expensive organic foods instead.
The word" Advocates" in line 2 in closest in meaning to which of the following？
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