1、 but also paper and rubber as well.Another new project is being set up to discover the best ways of sorting and separating the rubbish. When this project is complete, the rubbish will be processed like this: First, it will pass through sharp metal bas which will tear open the plastic bags in which r
2、ubbish is usually packed; then it will pass through a powerful fan to separate the lightest elements from the heavy solids; after that grounders and rollers will break up everything that can be broken. Finally, the rubbish will pass under magnets (磁铁), which will remove the bits of iron and steel; t
3、he rubber and plastic will then be sorted out in the final stage.The first full-scale giant recycling plants are perhaps fifteen years away. Indeed, with the growing cost of transporting rubbish to more distant dumps, some big cities will be forced to build their own recycling plants before long.21.
4、The phrase “be well on with.” (Para. 1, Line 1) most probably means _.A) have completed what was startedB) get ready to startC) have achieved a great deal inD) put an end to（A）22.What is NOT mentioned as a part of the recycling process described in Paragraph 3?A) Breaking up whatever is breakable.B)
5、 Sharpening metal bars.C) Separating light elements from the heavy ones.D) Sorting out small pieces of metal.（B）23.Whats the main reason for big cities to build their own recycling plants?A) To deal with wastes in better way.B) To protect the environment from pollution.C) To get raw materials locall
6、y.D) To get big profits from those plants.（A）24.The first full-scale huge recycling plants _.A) began to operate fifteen years agoB) will probably take less than fifteen years to buildC) will be built fifteen years laterD) will probably be in operation in fifteen years（C）25.The passage is mainly abo
7、ut _.A) a cheap way to get energyB) the location of recycling plantsC) new ways of recycling wastesD) the probably of city environment（C）Passage TwoQuestions 26 to 30 are based on the following passage.By 1970, according to a World Wildlife Fund report, only about 4,500 tigers survived throughout th
8、e 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 Supported by W. W. F. was immediately launched. Nine tiger reserves were created, with armed guards protecting them.The project
9、provided opportunities for researchers from India and abroad to study tigers in the reserves and gather previously unavailable information about their habits. Studies show that a male tiger may control a hunting territory of between 10 and 20 sq.kms, depending on its age, size and strength. The terr
10、itory of male includes the smaller territories of three or four tigresses. A tiger marks the boundaries of its territories by spraying urine (尿) and other bodily liquids on bushes. But it tries to avoid territorial fights, being guided by the distinctive body smell of other tigers. Tigers fight to d
11、eath 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 of a merciless and unconquerable hunter. But studies show that it catches only one of 20 victims (牺牲品) it tries to attack.Fears have recent
12、ly developed that Project Tiger has been too successful. It has enabled the tiger population to double (by mid-80s), but Indias human population has also grown out of control. Currently it is 750 million and likely to be 900 million by the end of the century. Land problem is becoming serious and man
13、y 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 (敌意).26.The ultimate aim of Project Tiger is to _.A) study the growth rate of tigersB) protect tigers from being killedC) promote the bree
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