单选题
英语六级
2008-10-24
Which of the following is true about eucalyptus leaves?
A．They are extremely poisonous to all mammal
B．They are only eaten by koala
C．They are getting rarer and rare
D．They are low in fibr
参考答案
C
答案解析
【线索词】eucalyptus leaves 【定位处】第四段首句和末句
【解析】选[C]。本题涉及到桉树叶子的情况。该段主要介绍了桉树的情况，第一、二句提到，考拉以桉树叶子为生， 对大多数动物来说桉树是有毒的，故排除[A]；[B]在文中并未提到；桉树的纤维含量很高，但营养很低，故排除[D]。 末句提到，桉树数量的缩减威胁到考拉的生存，故答案为[C]。
【设题处】事实处设题
【解析】选[C]。本题涉及到桉树叶子的情况。该段主要介绍了桉树的情况，第一、二句提到，考拉以桉树叶子为生， 对大多数动物来说桉树是有毒的，故排除[A]；[B]在文中并未提到；桉树的纤维含量很高，但营养很低，故排除[D]。 末句提到，桉树数量的缩减威胁到考拉的生存，故答案为[C]。
【设题处】事实处设题
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