阅读理解。 根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项,为多余 选项。 | |
The War Against Sand Imagine living on the edge of a vast desert, which is moving quietly closer to your village every day and covering your fields. The desert is on the move. This is called desertification. Desertification occurs in regions close to an already existing desert. 1 The first is over-use of water in the area. There is not enough water in any case, and if it is not carefully used, disaster can follow. As time goes on, water shortages make farming more and more difficult. In some places, locals can remember local lakes and marshes which were once the homes for all kinds of fish and birds. 2 Farmers leave the land, and fields are replaced by deserts. The second cause is misuse or over-use of the land. 3 Ploughing(耕) large fields and removing bushes and trees means that the wind will blow away the soil. Once the soil is lost, it is hard to replace, and if there is rain, it has nowhere to go, and brings no benefit. 4 Every spring, the skies over some of eastern cities, thousands of kilometers away from the deserts, can be darkened by sandstorms. Dust from deserts can have a great effect on weather systems. While desertification is perhaps being partly caused by global warming, these sandstorms can make global warming worse by adding to what is known as the greenhouse effect. What can be done to slow down or stop the process of desertification? A great deal of work is already under way. Obviously first steps are to find new water sources. 5 Some types of grass also hold the soil together, and stop the wind taking it. Without these efforts, it will be harder and harder to stop the world's deserts in their tracks, and more and more farmers will give up and head for cities. The lesson to be learnt lies beneath the sand. | |
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科目:高中英语 来源:同步题 题型:阅读理解
阅读理解。根据短文内容,从下框的A-F选项中选出能概括每一段主题的最佳选项。选项中有一项 为多余项。 | |
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Gift Giving 1.______ There are many occasions (场合) for giving gifts in modern industrialized societies: birthdays, naming ceremonies, weddings, anniversaries, New Year. It is common to give gifts on many of these celebrations in western cultures. In addition, special events, such as one's first day of school or graduation from university, often require gift giving. 2.______ What is happening when we give gifts? Most important, we are exchanging gifts. If someone gives me a gift for my birthday, I know that I am usually expected to give one on his or her next birthday. A gift builds up or confirms a social obligation (义务). 3.______ Gifts tighten personal relationships and provide a means of communication between loved ones. People say that a gift lets the recipient (接受者) know we are thinking of them, and that we want to make the person "feel special." We want people to feel wanted, to feel part of our social or family group. We give presents to say "I'm sorry." Sometimes it is difficult for us to find a present that someone will like. Sometimes we give things that we like or would feel comfortable with. In all these cases, the gifts are sending out messages-often very expressive ones. 4.______ People tend to talk about presents in a fairly loving way. A woman whose mother had died years ago described the many gifts around her house. These were gifts that her mother had given her over the years:"I appreciate these, and they mean something to me," the woman said, "because I remember the occasions they were given on, and that they were from my mother, and the relationship we've had." The gifts remain and keep the relationship alive in mind. This woman felt the same way about the gifts she gave to others. She hoped that the recipients would look at her gifts in years to come and remember her. 5.______ Emotions (情感) like these suggest that a positive spirit still lies behind gift giving. They prove that the anthropologist Claude Levi-Strauss was wrong to say that modern western gift giving is highly wasteful. Studies in Canada and elsewhere have also shown that this is not the case. Each gift is unique even if so many are given. The emotional benefit for those who exchange gifts is the very reason for the tradition to continue. |
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