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精英家教網 > 高中英語 > 題目詳情
At times the balance in nature is ______，resulting in a number of possibly unforeseen effects.
A．troubledB．confusedC．disturbedD．puzzled
C
trouble“麻煩，添麻煩”；confuse“使困惑”；puzzle“迷惑”；disturb“打亂，擾亂”。句意：有時候，自然界的平衡被打亂了，導致了無法預料的后果。所以C項正確。
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