The infectious disease posed a threat to the health of the local citizens and the whole area should be__________.

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问题 The infectious disease posed a threat to the health of the local citizens and the whole area should be__________.

选项 A、discarded
B、disappeared
C、remedied
D、isolated

答案D

解析 传染病对当地居民的健康构成了威胁,因此整个地区都要被隔离。本题是考查动词的含义。discard 是“丢弃,扔掉”disappear是“消失,不见了”;remedy意为“治疗,矫正,补救”;isolate意为“隔离,隔绝”。
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