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  3. Three fundamental aspects of (forest conversation) are the protection of immature trees, the use (of proper) harvesting methods,

Three fundamental aspects of (forest conversation) are the protection of immature trees, the use (of proper) harvesting methods,

admin2014-03-15  33
问题 Three fundamental aspects of (forest conversation) are the protection of immature trees, the use (of proper) harvesting methods, and (provide) for an environment (that supports) reproduction.
选项 A、forest conversation
B、of proper
C、provide
D、that supports
答案C
解析 将动词provide改为(动)名词providing，与the protection、the use词性并列而且一致。
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