In the early twentieth century, a______decimated American chestnut tree populati

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问题 In the early twentieth century, a______decimated American chestnut tree populations; relatively few of these stately trees now remain.

选项

答案 A，C

解析 decimated暗示前面必然是表示对树木不好的内容。wilt枯萎病，resilience恢复力，blight枯萎病，stagnation停滞，quarantine隔离，isolation隔离。答案选AC。注：这里quarantine和isolation是干扰项，同表示“隔离”。

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