2018中考（人教）英语全程课本讲解和练习题（19）及答案

2018中考（人教）英语全程课本讲解和练习题（十九）及答案 中考词汇检测—阅读理解 People in southern China like famous and expensive dish—shark fin soup, but no scientific studies have shown that shark fins are good for health. So why do they eat them? Do they realize that they’re killing a whole shark each time they enjoy a bowl of shark fin soup?【来源：21cnj*y.co*m】 When people catch sharks, they cut off their fins and throw the shark back into the ocean. This is not only cruel, but also harmful to the environment. Without a fin, a shark can no longer swim and slowly dies. Sharks are at the top of the food chain in the ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life. In fact, around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. Help save the sharks! 31． Shark fin soup is popular in northern China. 32．No scientific studies show that shark fins are good for health. 33．Without a fin, a shark can’t swim any longer and slowly dies. 34．In fact, around 50 million sharks are caught and traded in this industry every year. 35．We should help save the sharks. 【答案】 31．A 32．A 33．A 34．B 35．A 【解析】 试题分析：这篇短文主要介绍了人们为了吃到鱼翅汤而杀死整条鲨鱼。鲨鱼处于海洋生物食物链的顶端，随着鲨鱼数量的减少，将给整个海洋的生物带来危险。所以作者呼吁人们拯救鲨鱼。 31．A根据短文开头People in southern China like famous and expensive dish—shark fin soup 可知鱼翅汤在中国的南方受欢迎，故填A。 32．A根据but no scientific studies have shown that shark fins are good for health 可知没有科学研究表明鱼翅汤对健康有好处，故填A。 33．A根据Without a fin, a shark can no longer swim and slowly dies.故填A。 34．B根据In fact, around 70 million sharks are caught and traded in this industry every year.可知是70 million 头而不是50 million 鲨鱼，故填B。 35．A根据短文最后的呼吁及鲨鱼减少给人类带来的危险，可知我们应该拯救鲨鱼，故填A。 【难度】一般 第一部分：教材基础知识讲解 知识点解析 　afford的用法 【名师解析】 ◆afford作动词，意为“买得起；负担得起”，通常与can，could，be able to等连用，尤其用于否定句或疑问句中。如： Can you afford a house in Beijing？在北京你能买得起一栋房子吗？ ◆afford to do sth.意为“负担得起做某事”。如： The piano is too dear.I can't afford to buy it.这架钢琴太贵了。我买不起。21教育名师原创作品 ◆afford指“给予”时，可接双宾语，afford sb.sth.。如： My parents afford me nearly all the things.我的父母几乎给予了我一切。21*cnjy*com 【对点导练】 1．Some children can't afford__to__buy__(buy) necessary stationery.Maybe we should do something for them. 2．The Apple Watch is beautiful，but it's much too expensive.So I can't__afford__(负担得起) it. 　辨析none与no one 【名师解析】 单词 释义 用法 none 既可指人又可指物，意为“没有任何人或物；一个也没有” 后可与of短语连用。作主语时，谓语动词用单复数形式均可。常用来回答how many或how much引导的问句 续表 单词 释义 用法 no one 常用于指人，相当于nobody，意 ... ...