Tibet, the second largest province of China, is ______ in uranium (铀) and underground thermal power (地热) .
A. wealthy
B. abundant
C. adequate
D. sufficient
参考答案：B
解析： 本题是说中国的第二大省——西藏的铀和地热都很丰富。B项“abundant (in)大量的，充足的，丰富的”符合题意。其他三项中，wealthy“富裕的，富有的，有钱的”；adequate (to/for)“充足的，足够的；适当的，胜任的”；sufficient(for)“充分的，足够的”，都与题意不符。
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| A: The south tigers may become extinct (灭绝的) within 30 to 50 years if it does not receive protection. B: 1______ A: There are 20 to 30 South China tigers. Guangdong Province has only five left because forests are being destroyed. B: 2______ A: The life span of the South China tiger is 20 to 25 years, but the tigers breed (繁殖) and the survival rate (成活率 for cubs (小虎) is poor. B: Why not clone (克隆) the tiger? A: It's not that easy. 3______ B: What would happen in the future? A: Well, I'm afraid we may not have this kind of animal at all in the 21st century without hard work and help from the scientists. B: 4______ A: Yes. I hear that the scientists are trying there best to save the tigers, including (包括) the Northeast tigers. B: 5______ A: I think so.
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