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1、英语四级阅读材料必备2023年6月英语四级考试阅读理解By 1970, according to a World Wildlife Fund report, only about 4,500 tigers survived throughout the world-half of them in India. Mr. Foresters, who followed and counted tiger footprints, estimated that in May 1972 only about 1,800 tigers existed in India. Project Tiger Sup
2、ported by W.W.F. was immediately launched. Nine tiger reserves(保存地) were created, with armed guards protecting them.The project provided opportunities for researchers from India and abroad to study tigers in the reserves and gather previously unavailable information about their habits. Studies show
3、that a male tiger may control a hunting territory of between 10 and 20 square kilometers, depending on its age, size and strength. Theterritory of male includes the smaller territories(领地) of three or four tigresses. A tiger marks the boundaries of its territories by spraying urine and other bodily
4、liquids on bushes. But it tries to avoid territorial fights, being guided by the distinctive body smell of other tigers. Tigers fight to death only when a tigress is defending her young, or when a tiger is guarding a tigress from the attentions of other males.The popular image of the tiger is that o
5、f a merciless and unconquerable hunter. But studies show that it catches only one of 20 victims it tries to attack.Fears have recently developed that Project Tiger has been too successful. It has enabled the tiger population to double (by mid-80 S), but India“s human population has also grown out of
6、 control. Currently it is 750 million and likely to be 900 million by the end of the century. Land problem is being serious and many rural people feel bitter about the fact that some rich forests are reserved for tigers. A growing number of attacks by tigers on man has added to the hostility .练习题：Ch
7、oose correct answers to the question:1.The ultimate aim of Project Tiger is to _.A.study the growth rate of tigersB.protect tigers from being killedC.promote the breeding of young tigersD.analyze the behavioral patterns of tigers2.Studies have shown that _.A.a tigress never attacks until attackedB.t
8、he tigress is not as fierce as the tigersC.a tiger usually fights another tiger to defend its own territoryD.the tiger is not an efficient hunter as is monly described3.According to the passage, a tiger”s territory _.A.remains unchangedB.is often defended by tigressesC.expands as the tiger grows upD
9、.is the cause of most fights4.Some people are afraid that Project Tiger _.A.has been carried too farB.has not received enough attentionC.has failed to achieve its goalD.is not worth the money spent on it5.The author seems _.A.to be enthusiastic about Project TigerB.to have a matter-of-fact attitude
10、towards Project TigerC.to have a hostile attitude towards Project TigerD.to be satisfied with Project Tiger1.D 根据文章第1段，老虎被捕杀是其数量剧减的根本原因，因此使老虎免于被杀是野生动物保护基金会的最终目的，应选D。2.B 第3段第2句说，但研究说明老虎捕捉猎物的成功率仅为1/20，B与之相符。第2段说到老虎一般会防止领土之争，C与之不符，故排除;A、D在原文中并未提及均可排除。3.A 第2段第2句提到，研究说明，一头雄老虎依年龄、体型及力量可以控制10至20公里的狩猎领地，随着老
11、虎的长大，其体型及力量都在增大，其占领的狩猎领地的面积自然也就增大，故A正确。4.C 文章第4段首句说,许多人近来开始担忧老虎工程过于成功，C项是该句的同义交换，故为答案。5.B 纵观全文，作者对于老虎保护工程没有参加个人的主观色彩，他持的是一种客观的态度，应选B。2023年6月英语四级考试阅读理解When global warming finally came, it stuck with avengeance(异乎寻常地).In some regions, temperatures rose several degrees in less than acentury. Sea levels
12、 shot up nearly 400 feet. floodin_oastal settlements and forcing people to migrateinland. Deserts spread throughout the world asvegetation shifted drastically in North America. Europe and Asia. After driving many of theanimals around them to near extinction, people were forced to abandon their old w
13、ay of lifefor a radically new survival strategy that resulted in widespread starvation and disease. The adaptation was farming: the global-warming crisis that gave rise to it happened morethan 10,000 years ago.As enviro_entalists convene in Rio de Janeiro this week to ponder the global climate of th
14、efuture, earth scientists are in the midst of a revolution in understanding how climate haschanged in the past-and how those changes have transformed human existence. Researchershave begun to piece together an illuminating picture of the powerful geological andastronomical forces that have bined to
15、change the plas enviro_ent from hot tocold, wet to dry and back again over a time period stretching back hundreds of millions ofyears.Most important. scientists are beginning to realize that the climatic changes have bad a majorimpact on the evolution of the human species. New research now suggests that climateshifts have played a key role in nearly every significant turning point in human evolution: fromthe dawn of primates(灵长目动物) some 65 million years ago to human ancestors rising up towalk on two legs. from the huge expansion of the human brain to the rise of agriculture. Indeed, t
