In some places leaves will fall off the trees before they change colors in the autumn. The increasing length of night is the mo

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问题 In some places leaves will fall off the trees before they change colors in the autumn.
The increasing length of night is the most stable factor among all the environmental influences on leaves change.

选项 A、Y
B、N
C、NG

答案A

解析 由题干中的The increasing length of night定位到文章第一个小标题下的第4、5句The timing of color change…the increasing length of night…as unvarying as the steadily increasing length of night during autumn.题干中的leaves change与原文中的Color change and leaf fall属同义转述,指的都是树叶会改变颜色并且会脱落。这里的stable又与第5句中unvarying问义。另外原文用None of…as…as…引导的同级比较与题干的最高级意义是一致的。
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