高中英语真题-2015高考英语暑假练习(9).pdf

高中英语真题 :2015 高考英语暑假练习（ 9）阅读下面短文，从每题所给的四个选项(A、B、C 和 D)中，选出最佳答案Along the river banks of the Amazon and the Orinoco there lives a bird that swims before it can fly, flies like a fat chicken, eats green leaves, has the stomach of a cow and has claws(爪)on its wings when young .They build their homes about 4.6m above the river ,an important feature(特征)for the safety of the young. It is called the hoatzin. In appearance ，the birds of both sexes look very much alike with brown on the back and cream and red on the underside .The head is small, with a large set of feathers on the top, bright red eyes, and blue skin. Its nearest relatives are the common birds, cuckoos. Its most striking feature, though, is only found in the young. Baby hoatzins have a claw on the leading edge of each wing and another at the end of each wing tip .Using these four claws ,together with the beak( 喙),they can climb about in the bushes, looking very much like primitive birds must have done. When the young hoatzins have learned to fly, they lose their claws.During the drier months between December and March hoatzins fly about the forest in groups of 20 to 30 birds, but in April, when the rainy season begins, they collect together in smaller living units of two to seven birds for producing purposes.( ) 1. What is the text mainly about? AHoatzins in dry and rainy seasons. BThe relatives and enemies of hoatzins. CPrimitive birds and hoatzins of the Amazon. DThe appearance and living habits of hoatzins.( ) 2. Young hoatzins are different from their parents in that Athey look like young cuckoos Bthey have claws on the wings Cthey eat a lot like a cow Dthey live on river banks( ) 3. What can we infer about primitive birds from the text? AThey had claws to help them climb. BThey could fly long distances. CThey had four wings like hoatzins. DThey had a head with long feathers on the top.( ) 4. Why do hoatzins collect together in smaller groups when the rainy season comes? ATo find more food. BTo protect themselves better. CTo keep themselves warm.DTo produce their young.A 篇1.选 D。

考查文章主题大意纵观全文，文章主要讲的是hoatzin麝雉，这种鸟类的外貌以及生活习性2.选 B根据第一段 has claws( 爪)on its wings when young,和第三段可知， hoatzin 在幼年期是有爪子的，而长大学会飞之后就没有了3.选 A关键是 primitive“原始的，早期的”的意思第三段第二句话4.选 D最后一段最后一句话阅读理解课堂练学案（ 5）Passage Eleven (Superconducting Materials)The stone age, The Iron Age. Entire epochs have been named for materials. So what to call the decades ahead? The choice will be tough. Welcome to the age of superstuff. Material science - once the least sexy technology is bursting with new, practical discoveries led by superconducting ceramics that may revolutionize electronics. But superconductors are just part of the picture: from house and cars to cook pots and artificial teeth, the world will someday be made of different stuff. Exotic plastics, glass and ceramics will shape the future just as surely as have genetic engineering and computer science.The key to the new materials is researchers increasing ability to manipulate substances at the molecular level. Ceramics, for example, have long been limited by their brittleness. But by minimizing the microscopic imperfections that cause it, scientists are making far stronger ceramics that still retain such qualities as hardness and heat resistance. Ford Motor Co. now uses ceramic tools to cut steel. A firm called Kyocera has created a line of ceramic scissors and knives that stay sharp for years and never rust or corrode.A similar transformation has overtaken plastics. High-strength polymers now form bridges, ice-skating rinks and helicopter rotors. And one new plastic that generates electricity when vibrated or pushed is used in electric guitars, touch sensors for robot hands and karate jackets that automatically record each punch and chop. Even plastic litter, which once threatened to permanently blot the landscape, has proved amenable to molecular tinkering. Several manufacturers now make biodegradable forms; some plastic six-pack rings for example, gradually decompose when exposed to sunlight. Researchers are developing ways to make plastics as recyclable as metal or glass. Besides, composites plastic reinforced with fibers of graphite or other compounds made the round-the-world flight of the voyager possible and have even been proved in combat: a helmet saved an infantrymans life by deflecting two bullets in the invasion.Some advanced materials are old standard with a new twist. The newest fiberoptic cable that carry telephone calls cross-country are made of glass so transparent that a piece of 100 miles thick is clearer than a standard window pane.But new materials have no impact until they are made into products. And that transition could prove difficult, for switching requires lengthy research and investment. It can be said a firmer handle on how to move to commercialization will determine the success or failure of a country in the near future.1.How many new materials are mentioned in this passage?A TwoThreeC FourD Five2.Why do。