题目

听录音，回答问题。 （1） How old is Yellowstone National Park? A . 50 years. B . 100 years. C . 150 years （2） How many states does Yellowstone cover? A . 2. B . 3. C . 4. （3） Who runs Yellowstone now? A . The US army. B . The National Park Service. C . The native Americans. （4） When did the biggest fire break out? A . In 1860 B . In 1917 C . In 1988. 答案： C B B C

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