However，at times this balance in nature is _______ resulting in a number of possibly unforeseen effe...
2023-01-14 13:15:53 62次 2011-2012学年天津市高三年级第一次月考英语题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
However，at times this balance in nature is _______
resulting in a number of possibly unforeseen effects.
|
A．troubled
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B．disturbed
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C．confused
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D．puzzled
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本题链接：
