题目内容
18．-More and more wild animals are in danger of dying out．-Yes，but luckily，people have come to know the _________of protecting them．（ ）
| A． | importance | B． | important | C． | importantly |
分析 -越来越多的野生动物濒临灭绝的危险．
-是的，但是幸运的是，人们开始认识到保护它们的重要性．
解答 答案：A；importance重要性，名词；important重要的，形容词；importantly，重要地，副词；根据句中信息people have come to know the _________of protecting them可知该空应填名词形式importance指重要性．故选A．
点评 细读所提供的选项，认真分析它们的不同词性及其用法，然后在理解句意把握语境的基础上，选择正确的答案．
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