专八改错

专八改错【练习】1About half of the infant and maternal deaths in developing countries could be avoided if women had used family planning methods to prevent high risk ____1pregnancies, according to a report publishing recently by the Johns Hopking University. ____2The report indicates that 5.6 million infant deaths and 2,000,000 maternal Deaths could be prevented this year if women chose to have theirs children ____3within the safest years with adequate intervals among births and limited their ____4families to moderate size.This amounts to about half of the 9.8 million infant and 370.000 maternal deaths in developing countries, excluded China, estimated for this year by ____5the United Nation’s Children’s Fund and the US Centers for Disease Control respectably. China was excluded because very few births occur in the high risk categories. ____6The report says that evidences from around the world shows the risk of ____7maternal or infant ill and death is the highest in four specific types of ____8pregnancy; pregnancies before the mother is 18 year old; those after the ____9mother is 35 years old; pregnancies after four births; and those lesser than two years apart.____10【练习】2'Home, sweet home" is a phrase that express an essential attitude in the United States. Whether the reality of life in the family house is sweet or no sweet, the cherished ideal of home _____1has great importance for many people.This ideal is a vital part of the American dream. This dream, dramatized in the history of nineteenth century European settlers of American West, was to find a piece of place, build a house _____2for one's family, and started a farm. These small households were _____3portraits of independence: the entire family- mother, father, children,even grandparents-live in a small house and working together to ___4support each other. Anyone understood the life-and-death importance _____5of family cooperation and hard work. Although most people in the United States no longer live on farms, but the ideal of home ownership _____6is just as strong in the twentieth century as it was in the nineteenth.When U.S soldiers came home before World WarⅡ, for example, _____7they dreamed of buying houses and starting families. But there was _____8a tremendous boom in home building. The new houses, typically in the suburbs, were often small and more or less identical, but it satisfied _____9a deep need. Many regarded the single-family house the basis of their way of life._____10【练习】3We live in a society which there is a lot of talk about science, but I would say _____1that there are not 5 percent of the people who are equipped with school, including college, to understand scientific reasoning. We are more ignorant of science as people _____2with comparable education in Western Europe.There are a lot of kids who know everything about computers —how to buildthem, how to take them apart, and how to write programs for games. So if you ask _____3them to explain about the principles of physics that have gone into creating the _____4computer, you don’t have faintest idea. _____5The failure to understand science leads to such things like the neglect of human _____6creative power. It also takes rise to blurring of the distinction between science and _____7technology. Lots of people don’t differ between the two. Science is the production of _____8new knowledge that can be applied or not, and technology is the application of knowledge to the production of some products, machinery or the like. The two are really different, and people who have the faculty for one very seldom have a faculty for the others. _____9Science in itself is harmless, more or less. But as soon as it can provide technology,it’s not necessarily harmful. No society has yet earned to forecast the consequences of new technology, which can be enormous._____10【改错练习】4What is a black hole? Well, it is difficult to answer the question,as the terms we would normally use to describe a scientific phenomenon __1are adequate here. Astronomers and scientists think that a black hole is __2a region of space which matter has fallen and from which nothing can __3escape—not even light. But we can’t see a black hole. A black hole __4exerts a strong gravitational pull and yet it has no matter. It is only space—or thus we think. How can this happen? __5The theory is that some stars explode when their density increases to a particular point; they “collapse” and sometimes a supernova occurs.The collapse of a star may produce a “White Dwarf” of a “neutronstar”—a star which matter is so dense that if continually shrinks by the force of __6its own gravity. But if the star is very large, this process of shrinking may be so intense that a black hole results in. Imagine the earth reduced to the __7size of a marble, but still having the same masses and a stronger __8gravitational pull, and you have some ideas of the force of a black hole. __9And no matter near the black hole is sucked in. __10练习】5The great whales are among the most fascinating creatures which __1have ever lived on the earth, and one of them, the blue whale, is the largest. People in ancient times thought whales as fearsome __2monsters of the ocean depths. So to hunt a whale, when one occasionally swam toward shore, he was high adventure. People __3found the adventure was rewarding, too, for the oil and meat from one whale alone could heat and feed a village for a whole winter.Whales resemble huge fish. They were referred by the ancients as __4 “great fish,”and any whale beaching along the coasts of England was designated “the King’s fish”because it automatically belonged to the Crown.Ever since those early times, human have felt whales a sense of __5 wonder mixed with an intense desire to capture, slaughter, and exploit. Now the slaughter has reached alarming proportions. __6Even though some species are protected by the regulations of the International Whaling Commission and theoretically all whale hunting is regulated, but the earth's stock of whales is still being __7depleted. In fact, some scientists worry that 100 years since now __8there may be no whales left. If this happens, mankind will be blame for removing from the earth forever a remarkable and __9awe-inspiring creature that always fed man's imagination and made the world a more exciting place__10【答案】11. 将had used 改为used。