王牌考点1. extinct, extinction
1. It is estimated that, currently, about50,000 species become_____ every year.
A. extinct B. instinct
C. distinct D. intense
选项解析:
A. extinct 灭绝的
B. instinct 本能
C. distinct 清楚的,截然不同的
D. intense 强烈的
正确答案:A
译文:目前,据估计,每年大约有5万种物种灭绝了。
Certain species disappeared or became ______________ as new forms arose that were better adapted to the Earth's changing environment.(CET6-99年6月第40题)
A) feeble
B) extinct
C) massive
D) extinguished
选项解析:
A) feeble无力,虚弱的
B) extinct灭绝的,绝种的
C) massive大量的,大规模的
D) extinguished被熄灭的,被消灭的
正确答案:B
译文:某些物种消失了或灭绝了,但新的生命形式又出现了,它们能更好地适应地球环境的不断变化。
If nothing is done to protect the environment, millions of species that are alive today will have become _______________. (CET6-01年1月第40题)
A) deteriorated
B) degenerated
C) suppressed
D) extinct
选项解析:
A) deteriorated 恶化的
B) degenerated 堕落的
C) suppressed 压抑的
D) extinct 灭绝的
正确答案:D
译文:如果不采取措施保护环境,数百万活着的物种就会灭绝。
The panda is an endangered species, which means that it is very likely to become ______ without adequate protection. (CET6-06年6月第70题)
A intact
B insane
C extinct
D exempt
选项解析:
A intact:完好无缺的,完整的
B insane:患精神病的,愚蠢的
C extinct:灭绝的,熄灭的
D exempt:免除,豁免
正确答案:C
译文:熊猫是濒危物种,这意味着如果缺乏充足的保护它很有可能灭绝。
5. Sadly, the Giant Panda is one of the many species now in danger of ____________.(CET6-00年1月第70题)
A) extinction
B) migration
C) destruction
D) extraction
选项解析:
A) extinction 灭绝
B) migration 迁居,迁徙
C) destruction 破坏,毁灭
D) extraction 抽出,血统,家世
正确答案:A
译文:遗憾地是,大熊猫是当前濒临灭绝的许多物种之一。
Within the foreseeable future there may be a major ______ of species, involving from one-third to two-thirds of all the species now in existence.
A. exhaustion B. exhibition C. extension D. extinction
选项解析:
A. exhaustion 筋疲力尽
B. exhibition 展览
C. extension 延长
D. extinction 灭绝
正确答案:D
译文:在可预见的未来,许多物种可能会濒临灭绝,包含三分之一到三分之二现存物种。