The deer ate every leaf and twig they could reach. But there was not nearly enough food. Hunting of deer was permitted again. This caused a slight decrease in the deer herd （鹿群），but a far greater loss resulted from starvation （饥饿） and disease. Some 60 percent of the deer herd died in two winters. By 1930 the herd had dropped to 20,000 animals. By 1942 it was down to 8,000.

　　12． The destruction of the environment of the Kaibab resulted from .

　　A. turning the forest into cultivated land

　　B. interfering with natural cycle of forest life

　　C. forest fires caused by man’s carelessness

　　D. cutting the trees for building materials

　　13．"Engelmann spruce"（Para. 2） is most likely the name of .

　　A.a tree

　　B.an animal

　　C.a mountain

　　D.a game

　　14．The number of the deer in the Kaibab had increased enormously in

　　years’ time.

　　A.25

　　B.6

　　C.18

　　D.12

　　15． Years later, large numbers of deer in the Kaibab died mainly because of .

　　A. the cold

　　B.the organized kill

　　C.the shortage of food

　　D.the poor management

　　四、七选五题型

　　Muzak

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