衡水市2019高考英语阅读理解三月天天练(6)及解析.doc

衡水市2019高考英语阅读理解三月天天练（6）及解析 Illinois-Wildlife officials discovered a single Asian carp(鲤鱼) Thursday in a canal leading to Lake Michigan, which indicated the destructive species might come to the Great Lakes, IUinois environmental officials said. Environmentalists fear that if the Asian carp reached the lakes they could starve out native fish species and put a $7 billion-a-year fishing industry at stake.U.S. Fish and Wildlife Service officials found the only 22-inch young carp among tens of thousands of dead fish in a fish kiU operation in the canal, about 40 miles from Lake Michigan. “Asian carps are indeed knocking on the door of the Great Lakes. This is the closest to Lake Michigan that an actual Asian carp body has been found,” said John Rogner, assistant director of the Illinois Department of Natural Resources.Tens of thousands of other species of fish, from gizzard shad to drum, floated to the surface of the waterway Thursday after authorities dumped more than 2, 000 gallons of toxins(毒素) into a nearly six-mile stretch of the waterway the evening before.The toxins were dumped while an electrical barrier normally used to prevent any Asian carp from the Great Lakes was tumed off for maintenance. The kill operation which will require the removal. of an estimated 200, 000 pounds of dead fish to a landfill began Wednesday and was expected to last until Saturday.The Asian carp which can grow to 4 feet were imported by Southern fish farms but escaped into the Mississippi River in large numbers druing flooding in the 1990s and have been making their way northward ever since.Concern about the species of Asian carp led to calls even before Tluusday to close the waterway connecting the lakes to the Mississippi-an unprecedented(空前) step that could disrupt the movement of millions of tons of coal, grain and other goods.68. What does the underlined sentencein Paragraph 2 mean? A. Asian carps are common in the Great Lakes. B. Asian carps are coming to the Great Lakes C. Asian carps like to live in the Great Lakes. D. Many other fish are dead because of Asian carps.69. Why is the fish operation carried out? A. Because Asian carps might endanger Americans fishing industry. B. Because about 200, 000 pormds of fish are poisoned. C. Because Asian carps escape into the Mississippi River. D. Because native fish species are starving out.70. What will happen if the waterway is closed? A. All the native fish in the river would be killed. B. The transportation of coal, grain and other goods may be affected. C. An electrical barrier had to be turned off. D. Not a single Asian carp would survive in the Great Lakes. 71. Which of the following would be the best title for the passage?A. Asian Carp in the Great Lakes.B. Nationwide Fish Kill Operation.C. Fishing Industry in the USA.D. Asian Carp Found Near Lake Michigan.56-60 DBCCD 61-65 BDBBB 66-70 CCBAB 71-75 DCABA Why is it that many people who have suffered a major shock，such as divorce or death of a family number, seem to be weaker against a variety of major and minor illnessOne common idea among psychologists has been that people could deal with suffering more effectively if they were able to understand and accept it：Indeed，many expels stress the value of expressing thoughts and feelings connected with upsetting events Recently, a team of medical researchers studied the links between describing psychologically painful events and long-term healthIn one experiment healthy college students were asked to write about either personally disturbing experiences or ordinary topics over a period of four daysIn the months afterwards，students who had chosen to show their inner thoughts and feelings in their writing visited the health center for illness much less often than those who had written about everyday topics In an experiment that followed，another group of healthy students were given the four-day writing exercisesSome chose，to write about highly personal and upsetting experiences(including loneliness, problems with family and friends，and health)When questioned immediately afterwards，they said that they did not feel any betterHowever，their blood samples taken before and after the experiment showed evidence of an improved resistance to illnessThe white cells that fight off bacteria and viruses had increased their reaction and sensitivity to these “invadersThis trend continued over the following six weeks，when another blood sample was takenIndividuals who showed the best results were those who wrote about topics that they had actively kept from telling others aboutThe researchers suggested that failure to face up to painful experiences earl be a form of stress itself, and increase the possibility of illnessIt follows, then，that actively dealing with a major shock makes possible its understanding and acceptance. The answer is not to suffer in silenceIt may not always be possible to talk about personal problems，but writing them down wilt help the body to fight disease in the long run60According to the passage students who wrote about painful events or personal problems Aenjoyed sharing their inner thought and feelings Bwere less likely to seek treatment for sickness Chad decreased feelings of loneliness Dfelt much better afterwards 61What does the underlined word “invaders” in paragraph 3 refer to?AThe white cells BBacteria and viruses。CResistance to illnessDThe reaction and sensitivity of the cells62What is the best title of the passage?ASuffering and health BInner thoughts andfeelings CIllness and health DMental illness and social acceptance60、B BA *结束EOne of the worlds great natural wonders is in New Mexico, in the American Southwest. Nature has created huge moving hills of pure white sand. These sand dunes cover more than seventy-thousand hectares of desert.It is one of the largest sand dune fields in the United States. The bright white sand dunes are always changing, always moving, like waves on the ocean. Driven by strong winds, the sand moves and covers everything in its path. It is like a huge sea of sand.You may wonder how anything can live in this extreme environment of a white sand desert. There is not much rain. The heat in summer is intense. The sand lacks nutrients. Plants and animals struggle to survive. A few kinds of plants grow quickly to survive burial by the moving sand dunes. Several kinds of small animals have become white in color in order to hide in the sand.More than five hundred thousand people visit White Sands each year. They climb on the dunes and observe the moving sea of sand.White Sands is about twenty four kilometers southeast of the city of Alamogordo, New Macico. In the visitor center at the entrance of the park, you can find out about special activities and guided walks. You can drive about thirteen kilometers into the center of the dunes. It is like driving on a lonely white planet. Along the way there is information that tells about the natural history of the white sands.You can also explore the dunes on foot, seeing some unusual and beautifulplants and flowers. Signs along the trail tell about the plants growing in the sand. You can even camp there ovemight. But you must be careful. It is easy to get lost in the waves of moving sand especially during sandstorms. There is no water to drink. The temperature can rise to thirty-eight degrees Celsius in summer. There is no shelter from the suns rays.White Sands is part of Americas National Parks System, and it is just one of the unusual examples of Americas natural and cultural treasures.72. Which of the followings plays a major role in making for this extreme environment?A. Plants and animal