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1、2018高考英语一轮复习构想Unit5Meetingyourancestors课时作业新人教版选修8Unit 5Meeting your ancestors .阅读理解A(2017大连高三双基测试卷)Thanks to El Nio, Californias coastal waters have become more suitable for fish from the tropics (热带地区) to live. Hammerhead sharks are among them.“For over a year now, a lot of warm water fish that we
2、 dont usually see have been coming up，” said Rick Feeney, fish expert from the Natural History Museum of Los Angeles County.The arrival of large numbers of big fish like wahoo and tuna has also promoted Californias saltwater sport fishing industry, which brings in about $ 1.8 billion a year.“All the
3、 sport fish from Mexico are coming up here. In fact, there are probably more sport fish up here than there are down at the tip of Baja where they usually are. Things like marlin, yellowtail, wahoo, yellow fin tuna, blue fin tuna, all sorts of things that fishermen love to catch，” said Feeney.But sou
4、thern Californias warmer waters fish are forcing out other species that the local wildlife depends on.“Fish like anchovies and sardines have moved on. And a lot of baby seals and baby sea lions are starving because the mothers cant find enough food. That might be one of the effects of El Nio，” expla
5、ined Feeney.Researchers say the northern migration (迁徙) of fish in the Pacific Ocean has been one of the most dynamic effects of the climate phenomenon.“Historically, its a temporary change, and once El Nio stops, the fish just go back to the cold waters. But we all know about global warming, and ye
6、ar by year we dont know how many of these fish will actually stick around and reproduce (繁殖)，” said Fenney.【解题导语】本文介绍了厄尔尼诺现象造成的鱼类迁徙。1What can be the best title for the text?A. A Onceinalifetime Big CatchB. El Nio and the Tropical FishC. The Fishing Industry in Baja and CaliforniaD. El Nio Brings Une
7、xpected Fish to California答案与解析：D考查标题判断。根据第一段的第一句“由于厄尔尼诺现象，加州海岸水域更加适合暖水区的鱼类生存”和下文所列出的具体的例子可知，本文的最佳标题是“厄尔尼诺给加州带来了意想不到的鱼类”。2Which of the following fish are from warm waters?A. Wahoo and sardines.B. Tuna and anchovies.C. Hammerhead sharks.D. Marlin and sea lions.答案与解析：C考查细节理解。根据文章第一段的第二句话可知，锤头鲨是来自暖水区的鱼
8、。故选C。3What do we know about the seals according to Feeney?A. The baby seals may die of cold.B. The baby seals may die of hunger.C. The seals may stop reproducing.D. The seals may move to the south.答案与解析：B考查推理判断。根据第六段的“And a lot of baby seals and baby sea lions are starving because the mothers cant f
9、ind enough food”可知，小海豹可能会死于饥饿。故选B。4We can infer from the passage that _.A. the fish have brought a big profit to MexicoB. the fish experts are happy to see more sport fishC. the fish will stay off the California coast for many yearsD. the fish have affected the food chain off the California coast答案与
10、解析：D考查推理判断。根据文章的第五段和第六段可知，南加州暖水区鱼类把本地野生生物所依赖的其他物种排挤了出去。有些动物的幼崽由于没有足够的食物而挨饿，由此可以推测出暖水区鱼类的到来影响了加州海域的食物链。故选D。B(2017淄博高三诊断)Daydreaming was viewed as a waste of time. Or it was considered an unhealthy escape from real life and its duties. Daydreaming has always had a bad reputation, but now scientific re
11、search has showed that daydreaming may actually improve your mental health and creativity. It can even help you achieve your desired goals.Now some people are taking a fresh look at daydreaming. Some think it may be a very healthy thing to do. Researchers are finding daydreaming, they tell us, is a
12、good means of relaxation. But its benefits go beyond this. A number of psychologists have conducted experiments and have reached some surprising conclusions.Dr. Joan T. Freyberg has concluded that daydreaming contributes to intellectual growth. It also improves concentration, attention span, and the
13、 ability to get along with others, she says. In an experiment with school children, the same researcher found that daydreaming led the children to pay more attention to details. They had more happy feelings. They worked together better. Another researcher reported that daydreaming seemed to produce
14、improved selfcontrol and creative abilities.But thats only part of the_story. The most remarkable thing about daydreaming may be its usefulness in shaping our future lives as we want them to be. Industrialist Henry J. Kaiser believed that much of his success was due to the positive use of daydreamin
15、g. He maintained that “you can imagine your future”. Florence Nightingale dreamed of becoming a nurse. The young Thomas Edison pictured himself as an inventor. For these famous achievers, it appears that their daydreams came true.Of course daydreaming is no substitute (代替者) for hard work. You have t
16、o work hard to develop skills. Daydreaming alone cant turn you into your hearts desire. But in combination with the more usual methods of selfdevelopment, it might make a critical difference. And who knows: You might see your own daydreams come true.【解题导语】本文是一篇说明文。一直以来，人们都认为白日梦是浪费时间。然而，现代科学研究表明，白日梦实际上可能改善精神健康和提高创造力，还有助于实现想要达成的目标。5From the scientific research,
