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  3. Every summer in Australia there is the danger of bush fires. Long periods of hot dry weather cause the grass and trees to become

Every summer in Australia there is the danger of bush fires. Long periods of hot dry weather cause the grass and trees to become

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问题     Every summer in Australia there is the danger of bush fires. Long periods of hot dry weather cause the grass and trees to become highly inflammable. In addition to the dryness and high temperature, another important factor is the great amount of oil in the leaves of such trees as eucalyptus, gum and ti trees.
    Fires start very easily, often spontaneously(自动地，自发地), but usually because of a carelessly thrown cigarette or match. If there is a high wind, the ample supply of air fans the flames into an inferno. The radiant heat vaporizes the oil in the leaves; and the fire travels very quickly, sometimes overtakes fleeing cars and burns passengers to death.
    Great fires often occur around Christmas, in areas near big cities, causing great loss of life and property.
"Inferno" in the context means "______".
选项 A、hell
B、place of great heat and fire
C、furnace for smelting iron
D、fireball
答案B
解析 本题属词汇测试题。全文大意主要是：澳大利亚的“bush fire”是怎样产生的，故 hell地狱，furnace火炉，fireball火球，均不切题。只有inferno(火源之地)符合。
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