1、高考资源网（） 您身边的高考专家2014-2015学年高中英语（贵阳市）同步教案：Unit 5 The power of nature人教新课标选修6）英语选修6（人教新课标）Unit 5 The power of nature【思维导图】【微试题】1. We _ him (_/_ _) chairman.我们选他担任主席。【答案】appointed as/ to be2. She _ _ _ _ when her teacher walked towards her.当她见到老师向她走来时，她变得惊慌失措。【答案】got into a panic3. We _ _ _ within a we
2、ek.我们保证一周内送到。【答案】guarantee to deliver4. 2015北京高考阅读理解。Life in the Clear Transparent animals let light pass through their bodies the same way light passes through a window. These animals typically live between the surface of the ocean and a depth of about 3,300 feetas far as most light can reach. Most
3、 of them are extremely delicate and can be damaged by a simple touch. Sonke Johnsen, a scientist in biology, says, “These animals live through their life alone. They never touch anything unless theyre eating it, or unless something is eating them.” And they are as clear as glass. How does an animal
4、become see-through? Its trickier than you might think. The objects around you are visible because they interact with light. Light typically travels in a straight line. But some materials slow and scatter(散射) light, bouncing it away from its original path. Others absorb light, stopping it dead in its
5、 tracks. Both scattering and absorption make an object look different from other objects around it, so you can see it easily.来源:学_科_网 But a transparent object doesnt absorb or scatter light, at least not very much, Light can pass through it without bending or stopping. That means a transparent objec
6、t doesnt look very different from the surrounding air or water. You dont see it -you see the things behind it. To become transparent, an animal needs to keep its body from absorbing or scattering light. Living materials can stop light because they contain pigments(色素) that absorb specific colors of
7、light. But a transparent animal doesnt have pigments, so its tissues wont absorb light. According to Johnsen, avoiding absorption is actually easy. The real challenge is preventing light from scattering.Animals are built of many different materials-skin, fat, and more-and light moves through each at
8、 a different speed. Every time light moves into a material with a new speed, it bends and scatters. Transparent animals use different tricks to fight scattering. Some animals are simply very small or extremely flat. Without much tissue to scatter light, it is easier to be seethrough. Others build a
9、large, clear mass of non-living jelly-lie(果冻状的)material and spread themselves over it .来源:学科网ZXXKLarger transparent animals have the biggest challenge, because they have to make all the different tissues in their bodies slow down light exactly as much as water does. They need to look uniform. But ho
10、w theyre doing it is still unknown. One thing is clear for these larger animals, staying transparent is an active process. When they die, they turn a non-transparent milky white.63. According to Paragraph 1, transparent animals_. A. stay in groups B. can be easily damaged C. appear only in deep ocea
11、n D. are beautiful creatures64. The underlined word “dead” in Paragraph 3 means_. A. silently B. gradually C. regularly D. completely65. One way for an animal to become transparent is to _. A. change the direction of light travel B. gather materials to scatter light.来源:Z#xx#k.Com来源:学.科.网 C. avoid th
12、e absorption of light D. grow bigger to stop light.66. The last paragraph tells us that larger transparent animals_. A. move more slowly in deep water B. stay see-through even after death C. produce more tissues for their survival D. take effective action to reduce light spreading【解析】文章解释了生活在海洋的透明生物
13、的特点，透明原理，以及形成机制.63.B细节理解题.文章第一段第三行:Most of them are extremely delicate and can be damaged by a simple touch.得知B选项:透明动物是很容易受伤的.故选B.来源:学科网ZXXK64D词义猜测题.该词出现在文章第三段第三行.前文提到了:你能看到的物体一种是对光线进行了散射，而另外一种是对光线的吸收.既然吸收了，那在光的传播过程中就完全阻止了，因此这里dead是完全的意思.故选D.65.C推理判断题.根据第五段第一句To become transparent an animal needs to
14、 keep its body from absorbing“scattering light.可知，想变透明就要避免散射或吸收光线，因此其中的一个方法是C选项，避免光线吸收.故选C.66.D,推理判断题.根据最后一段第一句中的make all the different tissues in their bodies slow down light exactly as much as water does可以推断出D为正确答案.其中slowdown对应reduce.故选D.【考点定位】科技类说明文【名师点睛】做科技类说明文时，考生应能：理解语篇主旨要义，理解文中具体信息，根据上下文提供的线索推测生词的词义，根据文中事实和线索作出简单的判断和推理。此次出现了新型科技类说明文。往年科技类说明文的阅读难点在于专业类词汇，但是今年的“新型耳机”在问题设置上难度不大，属于文章难但题目不难的题目。所以要理解好文章做好此题就不是难题。- 4 - 版权所有高考资源网