题目内容
However,at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.
| A.troubled | B.disturbed | C.confused | D.puzzled |
B
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However,at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.
|
A.troubled |
B.disturbed |
C.confused |
D.puzzled |