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题型:阅读选择 题类:真题 难易度:困难

四川省达州市2019年中考英语试卷

阅读理解

    Many environmental groups are warning that oceans of the world are in great danger. In the past 50 years, the number of water with zero oxygen(氧气) in the open ocean has increased more than four times. In the near coast water bodies, including the river mouth and seas, low-oxygen areas have increased more than 10 times since 1950.Scientists discover that oxygen continues dropping ever outside these zones as the Earth warms. To stop the drop, the world needs to control in both climate change and nutrient(养分) pollution.

    Oxygen is a must to life in the oceans. The drop in ocean oxygen is among the most serious effects of human activities on the Earth's environment.

    This is the first time for the scientists to take such a deep look at the causes, results and solutions to low oxygen worldwide, in both the open ocean and the near coast waters. About half of the oxygen on Earth comes from the ocean. However, mixed effects of nutrient loading and climate change are greatly increasing the number and size of "dead zones" in the open ocean and the near coast waters, where oxygen is too low to support most sea life.

    In the areas traditionally called "dead zones", like those in Chesapeake Bay and the Gulf of Mexico, oxygen drops to levels so low that many animals have trouble in breathing and die. As fishes run away from these zones, their living areas become smaller and smaller. But the problem goes far beyond "dead zones". Even smaller oxygen drops can hold up the growth in animals and lead to disease or even death. Low oxygen also can cause the release of dangerous chemicals. Although a few animals can grow well in dead zones, overall biodiversity(多样性)falls.

(1)、How to stop the drop of ocean oxygen in the article?
A、By controlling in both climate change and nutrient pollution around the world. B、By taking a deep look at the causes, results and solutions to low oxygen worldwide. C、By running away from these zones, for the living areas become smaller and smaller. D、By cutting down the number of animals in the oceans.
(2)、Why are these waters called" dead zones" from the article?
A、Because the oxygen in these areas is too low for most sea life to live. B、Because nutrient loading and climate change are greatly increasing. C、Because there are no animals living in these areas. D、Because low oxygen also can cause the release of dangerous chemicals.
(3)、Which of the following statements is TRUE according to the article?
A、Only a few animals living in the sea need oxygen. B、Climate change can help cut down the dead zones. C、Fishes grow faster and better in low oxygen areas. D、Human activities have many serious effects on ocean environment.
举一反三
阅读理解

All in the memory…

    Many people complain that their memory is bad, especially as they get older. Phone numbers, names, facts we studied only a few days ago – life would be so much easier if we could remember them all effortlessly. So how can we improve our memory?

    Many people think that repeating things is the best way to remember them. While this undoubtedly helps short-term memory (remembering a telephone number for a few seconds, for example), psychologists (心理学家) doubt whether it ca help you to remember things for very long. The British psychologist Ec Stanford seemed to prove this point when he tested himself on five prayers (祈祷文) that he had read aloud every morning for over 25 years. He found that he could remember no more than three words of some of them! More helpful, especially for remembering numbers, is grouping the information. The following numbers would be impossible for most of us to remember: 1492178919931848. But look at them in chunks, and it becomes much easier: 1492 1789 1993 1848.

    So what about “memory training”? We've all heard about people who can memorize packs of cards by heart—how is this done and can anyone learn how to do it? According to experts, there are many ways of training your memory. Many of them involve forming a mental picture of the things to be memorized. One method, which may be useful in learning foreign languages, is to create a picture in your mind connected to a word you want to remember.

    Another method is to invent a story that includes all the things you want to remember. In experiments, people were asked to remember up to 120 words using this skill; when tested afterwards, on average, they were able to recall 90% of them!

    However, not all of us are interested in learning long lists of names and numbers just for fun. For those studying large number of information, psychologists suggest that the best way to form meaningful connections is to ask yourself lots of questions as you go along. So, for example, if you were reading about a particular disease (疾病), you would ask yourself questions like: “Do people get it from water?”, “What parts of the body does it influence?” and so on. This is said to be far more effective than time spent “passively” reading and re-reading notes.

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