Question

【题目】Sharks have lived in the oceans for over 450 million years, long before dinosaurs appeared. There are now about 360 of sharks, whose size, behavior, and other characteristics differ widely.

Every year, we catch and kill over 100 million sharks, for food and for their fins. Dried shark fins are used to make shark fin soup, which sells for as much as $50 a bowl in fine Hong Kong . Other sharks are killed for sport and out of fear. Sharks are vulnerable(脆弱的) to overfishing because it most species 10 to 15 years to begin reproducing and they produce only a few offspring.

by movies and popular novels, most people see sharks as people-eating monsters. This is far from the . Every year, a few types of shark injure about 100 people worldwide and kill about 25. Most are by great white sharks, which often feed on sea lions and other marine mammals. They sometimes mistake human swimmers for their normal prey, if they are wearing black wet suits.

If you are a typical ocean-goer, your of being killed by an unprovoked （无缘无故的）attack by a shark are about 1 in 100 million. You are more to be killed by a pig than a shark and thousands of times more likely to get killed when you drive a car.

Sharks help human lives. In addition to providing people with food, they are helping us learn how to cancer, bacteria, and viruses. Sharks are very healthy and have aging processes similar to ours. Their highly effective immune system wounds to heal quickly without becoming infected, and their blood is being studied in connection with AIDS research.

Sharks are among the few animals in the world that almost get cancer and eye cataracts. Understanding why can help us improve human . Chemicals extracted from shark cartilage have killed cancerous tumors in laboratory animals.

【1】A. species B. classes C. groups D. names

【2】A. greatly B. popularly C. widely D. mostly

【3】A. supermarkets B. restaurants C. offices D. companies

【4】A. spends B. takes C. costs D. uses

【5】A. Impressed B. Moved C. Changed D. Influenced

【6】A. story B. truth C. movie D. problem

【7】A. injuries B. deaths C. attacks D. causes

【8】A. specially B. especially C. mainly D. usually

【9】A. chances B. fears C. lives D. percentages

【10】A. likely B. frequent C. possible D. lucky

【11】A. avoid B. save C. keep D. prevent

【12】A. damage B. destroy C. fight D. ruin

【13】A. advises B. allows C. forces D. forbids

【14】A. never B. seldom C. often D. usually

【15】A. analysis B. research C. study D. health

Answer 1

【答案】

【1】B

【2】D

【3】A

【4】C

【5】C

【6】A

【7】B

【8】A

【9】D

【10】C

【11】A

【12】D

【13】A

【14】D

【15】B

【解析】

试题分析：文章大意：文章讲的人类捕杀鲨鱼的原因，有一部分在于害怕鲨鱼，但是鲨鱼很少伤害人类，而且对人类很有益，对生态系统也是有帮助的。

【1】考查名词辨析。 A. species种类；B. classes班级；C. groups 组；D. names名字。现在大约有360种鲨鱼。故选A项。

【2】考查副词辨析。A. greatly非常地；B. popularly流行地；C. widely广泛地；D. mostly大多数。主要用于食品和它们的鳍。故选D项。

【3】考查名词辨析。A. supermarkets超市；B. restaurants饭店；C. offices办公室；D. companies公司。在好的香港饭店里卖50美元一碗。故选B项。

【4】考查动词辨析。A. spends花费；B. takes需要；C. costs 花费；D. uses使用。因为大多数物种需要10到15年开始再生。故选B项。

【5】考查动词辨析。A. Impressed印象深刻；B. Moved感动；C. Changed改变；D. Influenced影响。受到电影和流行小说的影响。故选D项。

【6】考查名词辨析。A. story故事；B. truth事实；C. movie电影；D. problem问题。这并非是事实。故选B项。

【7】考查动词辨析。A. injuries受伤；B. deaths死；C. attacks袭击；D. causes引起。大多数袭击是由大白鲨引起的。故选C项。

【8】考查副词辨析。A. specially专门地；B. especially尤其；C. mainly主要地；D. usually通常地。尤其，如果他们穿着黑色的潜水服。故选B项。

【9】考查名词辨析。A. chances改变；B. fears生活；C. lives生活；D. percentages百分率。你无缘无故的受到鲨鱼袭击的百分率大约是亿分之一。故选D项。

【10】考查形容词辨析。A. likely可能的；B. frequent频繁的；C. possible 可能的；D. lucky幸运的。短语be likely to有可能。你更有可能被一只猪杀死而不是鲨鱼。故选A项。

【11】考查动词辨析。A. avoid避免；B. save节省；C. keep 保存；D. prevent阻止。鲨鱼帮助节省人类的生活。故选B项。

【12】考查动词辨析。A. damage损害；B. destroy摧毁；C. fight 战斗；D. ruin毁坏。他们正帮助我们学会怎么战胜癌症。故选C项。

【13】考查动词辨析。A. advises建议；B. allows允许；C. forces被迫；D. forbids禁止。他们高效的免疫系统让伤口更快地愈合。故选B项。

【14】考查副词辨析。A. never从不；B. seldom很少；C. often常常；D. usually通常。鲨鱼是世界上少数从不得癌症和白内障的动物。故选A项。

【15】考查名词辨析。A. analysis分析；B. research研究；C. study学习；D. health健康。理解为什么能帮助我们改善人类的健康。故选D项。