六、信息还原。
阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
Many have heard of shark fin soup. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup?
When people catch sharks, they cut off their fins and throw the sharks back into the ocean. ______
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. ______ Many believe that sharks can’t become endangered because they are the strongest in their food chain. ______ The number of some kinds of sharks has fallen by over 90 per cent in the last 20 to 30 years.
Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. ______ So far, no scientific studies have shown that shark fins are good for health, so why eat them? ______
A. Help save the sharks!
B. They are in great danger now.
C. This is not only cruel, but also harmful to the environment.
D. But in fact, more than 20 million sharks are caught and traded in this industry every year.
E. If the number of them drops too low, it will threaten(危及) all ocean life.
F. They have even asked governments to make laws to stop the sale of shark fins.
G. This is a big problem, especially on foggy and rainy nights.
1.
C
2.
E
3.
D
4.
F
5.
A
答案：第 1 空：C解析：前文描述 “割下鱼鳍后将鲨鱼扔回海里”，C 选项 “这不仅残忍，还对环境有害” 承接该行为的负面影响，同时呼应后文 “鲨鱼在生态系统中的作用”。
第 2 空：E
解析：前文说明 “鲨鱼是食物链顶端物种”，E 选项 “若鲨鱼数量骤减，会危及所有海洋生物” 进一步解释其数量变化对生态系统的影响，衔接自然。
第 3 空：D
解析：后文提到 “部分鲨鱼数量下降超 90%”，D 选项 “事实上，每年超 2000 万条鲨鱼在此产业中被捕获” 说明鲨鱼被大量捕杀的现状，为数量下降提供依据。
第 4 空：F
解析：前文介绍 “环保组织向公众科普鱼翅问题”，F 选项 “他们甚至呼吁政府立法禁止鱼翅销售” 是环保组织的进一步行动，符合逻辑。
第 5 空：A
解析：前文质疑 “鱼翅对健康无益处，为何食用”，A 选项 “帮助拯救鲨鱼！” 是呼吁性结尾，契合环保主题。
