(B) To protect the environment from pollution.
(C) To get raw materials locally.
(D) To get big profits from those plants.
24. The first full-scale huge recycling plants ______.
(A) began to operate fifteen years ago
(B) will probably take less than fifteen years to build
(C) will be built fifteen years later
(D) will probably be in operation in fifteen years
25. The passage is mainly about ______.
(A) a cheap way to get energy (C) new ways of recycling wastes
(B) the location of recycling plants (D) the probably of city environment
Passage Two
Questions 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 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 Supported by W.W.F. was immediately launched. Nine tiger reserves 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 that a male tiger may control a hunting territory of between 10 and 20 sq. kms. depending on its age, size and strength. The territory of male includes the smaller territories of three or four tigressess. 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 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 of a merciless and unconquerable hunter. But studies show that it catches only one of 20 victims (牺牲品) it tries to attack.
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