At times the balance in nature is , resulting in a number of possibly unforeseen effects.

发布时间:2020-08-17 11:52:37

At times the balance in nature is      , resulting in a number of possibly unforeseen effects.
A. troubled
B. confused
C. disturbed
D. puzzled

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A. troubled
B. confused
(答案→)C. disturbed
D. puzzled
解析:trouble主要指遇上难解决的问题而使人苦恼、忧虑;puzzled 指人是困惑的,因此将A、D两项排除;根据句意,自然的平衡本身并不是混乱的(confused),而不受到了人为的干扰(disturbed),才会导致不可预见的影响。因此选择C项。
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