Question

【題目】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 （無緣無故的）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】

試題分析：文章大意：文章講的人類捕殺鯊魚的原因，有一部分在于害怕鯊魚，但是鯊魚很少傷害人類，而且對人類很有益，對生態(tài)系統(tǒng)也是有幫助的。

【1】考查名詞辨析。 A. species種類；B. classes班級；C. groups 組；D. names名字。現(xiàn)在大約有360種鯊魚。故選A項。

【2】考查副詞辨析。A. greatly非常地；B. popularly流行地；C. widely廣泛地；D. mostly大多數(shù)。主要用于食品和它們的鰭。故選D項。

【3】考查名詞辨析。A. supermarkets超市；B. restaurants飯店；C. offices辦公室；D. companies公司。在好的香港飯店里賣50美元一碗。故選B項。

【4】考查動詞辨析。A. spends花費；B. takes需要；C. costs 花費；D. uses使用。因為大多數(shù)物種需要10到15年開始再生。故選B項。

【5】考查動詞辨析。A. Impressed印象深刻；B. Moved感動；C. Changed改變；D. Influenced影響。受到電影和流行小說的影響。故選D項。

【6】考查名詞辨析。A. story故事；B. truth事實；C. movie電影；D. problem問題。這并非是事實。故選B項。

【7】考查動詞辨析。A. injuries受傷；B. deaths死；C. attacks襲擊；D. causes引起。大多數(shù)襲擊是由大白鯊引起的。故選C項。

【8】考查副詞辨析。A. specially專門地；B. especially尤其；C. mainly主要地；D. usually通常地。尤其，如果他們穿著黑色的潛水服。故選B項。

【9】考查名詞辨析。A. chances改變；B. fears生活；C. lives生活；D. percentages百分率。你無緣無故的受到鯊魚襲擊的百分率大約是億分之一。故選D項。

【10】考查形容詞辨析。A. likely可能的；B. frequent頻繁的；C. possible 可能的；D. lucky幸運的。短語be likely to有可能。你更有可能被一只豬殺死而不是鯊魚。故選A項。

【11】考查動詞辨析。A. avoid避免；B. save節(jié)��；C. keep 保存；D. prevent阻止。鯊魚幫助節(jié)省人類的生活。故選B項。

【12】考查動詞辨析。A. damage損害；B. destroy摧毀；C. fight 戰(zhàn)斗；D. ruin毀壞。他們正幫助我們學會怎么戰(zhàn)勝癌癥。故選C項。

【13】考查動詞辨析。A. advises建議；B. allows允許；C. forces被迫；D. forbids禁止。他們高效的免疫系統(tǒng)讓傷口更快地愈合。故選B項。

【14】考查副詞辨析。A. never從不；B. seldom很少；C. often常常；D. usually通常。鯊魚是世界上少數(shù)從不得癌癥和白內(nèi)障的動物。故選A項。

【15】考查名詞辨析。A. analysis分析；B. research研究；C. study學習；D. health健康。理解為什么能幫助我們改善人類的健康。故選D項。