2019职称英语考试备考综合类完形点拨二

1、2019 职称英语考试备考综合类完形点拨二2017 年职称英语考试备考综合类完形点拨二Sharks Perform a Service for Earth's Waters（鲨鱼有益于地球水系）It is hard to get people to think of sharks as anything but a deadly enemy1. They are thought to 1 people frequently. But these fish2 perform a2 service forearth's waters and for human beings. Ye

2、t business and sport fishing3 are threatening their3 Some sharks are at riskof disappearing from 4要让人们相信鲨鱼不是人类的死敌不是一件容易的事。人们认为 鲨鱼经常袭击人类。但鲨鱼在为地球水系和人类作着有价值的贡献。 商业和捕鱼运动仍在威胁着他们的生存，有些鲨鱼面临着从地球上消 失的危险。Warm weather may influence both fish and shark activity. Many fish swim near coastal areas5 their warm wat

3、ers.Experts say sharks may follow the fish into the same areas, 6 people also swim. In fact, most sharks do not purposely charge at or bite humans. They are thought to mistake a person 7 a sea animal, such as a seal or sea lion. That is why people should not swim in the ocean when the sun goes down

4、or comes up. Those are the8 when sharks arelooking for food. Experts also say that bright colors and shiny jewelry may cause sharks to attack.温暖的气候影响着鱼类和鲨鱼的活动。因为水温变暖，很多鱼类 游到海边。专家认为鲨鱼跟随其它鱼类，也来到人类游泳的区域。实际上鲨鱼并非故意袭击人类。人们认为，因为鲨鱼将人错认为是海狮 等海洋动物，在饥饿时才袭击人类。日出和日落时，正是鲨鱼饥肠辘 辘的时候，人们不应该出海游泳。专家还提到鲜艳的色彩和闪光的珠 宝也会诱使鲨

5、鱼袭击。11A shark has an extremely good sense of smell4, It can find small amounts of substances in water, such as blood, body liquids and 9 produced by animals. These powerful 10 help sharks fred their food. Sharks eat fish, any sharks, and plants that live in the ocean.鲨鱼的嗅觉特别灵敏，能嗅到海水中存有的极为微量的气味，比 如血液

6、、体液和动物散发的化学物质。灵敏的嗅觉有助于鲨鱼找到食 物。鲨鱼以鱼、其他鲨鱼和海洋植物为生。Medical researchers want to learn more about the shark's body defense, and immune 12 against disease. Researchers know that sharks13 quickly from injuries.They study the shark in hopes of finding a way to fight human disease.医学研究人员想要更多了解的是鲨鱼的身体抗病免疫系

7、统。研究 人员发现鲨鱼受伤会很快康复，他们希望通过研究鲨鱼，找到一种人 类抗病的方法。Sharks are important for the world's14 They eatinjured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too 15 This protects the plants and other forms of life that exist in the oceans.鲨鱼有益于海洋

8、。它们吃受伤的和生病的鱼。他们的捕猎活动使 其它海洋鱼类的数目不会过多，这就保护了海洋中的植物和其它生灵。词汇：purposely adv. 故意地，蓄意地 immune adj. 免疫的charge v.（ 向）冲（过去）jewelry n.珠宝seal n. 海豹注释：1.It is hard to get people tO think of sharks as anything but a deadly enemy ：要让人们相信鲨鱼不是 （人类的）死敌 不是一件容易的事。 anything but 意为“决不，远非”，如： His performance in London is a

9、nything but a success.（她在伦敦的演出完全不成功。 ）2. these fish:这些鱼（指鲨鱼）。fish单复数同形，如：Onefish ， two fish ， many fish（ 见第二段第一句 ） 。3. sport fishin9：捕鱼运动。4. sense of smell：嗅觉练习：1. A attack B meet C love D visit2. A terrible B eatable C valuable D possible3. A source B existence C friends D fish4. A Space B Sky C Land D Earth5.