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Sometime prior to the stressful seasons, the population will produce these resting, or diapause eggs, which, rather than hatching soon after being produced, sink to the bottom where they remain until conditions become favorable once again. (36字)
Which of the sentences below best expresses the essential information in the highlighted sentence in the passage?
A. Soon after being produced, diapause eggs sink to the ocean bottom and hatch, delaving further development until conditionsbecome favorable again.
B. Before the start of the stressful seasons, diapause eggs are programmed to sink to the ocean floor where conditions are more favorable for their development.
C. Diapause eggs are produced before the stressful seasons start but these eggs do not hatch right away unless conditions on the oceanfloor are favorable.
D. Diapause eggs are produced before stressful times and then sink to the ocean bottom where they stay until conditions become suitable for hatching.
第一步:划分句子成分
同学们可以自己先划分,再看老师的划分。
...eggs, + ① which, rather than hatching soon after being produced, sink to the bottom +(②where they remain until conditions become favorable once again.)
C. Diapause eggs are produced before the stressful seasons start but these eggs do not hatch right away unless conditions on the oceanfloor are favorable.
D. Diapause eggs are produced before stressful times and then sink to the ocean bottom where they stay until conditions become suitable for hatching.
解析:
C= these eggs do not hatch right away unless conditions on the oceanfloor are favorable. 这些卵不会立即孵化,除非unless海底条件有利。 = 也就是如果海底条件有利,他们就会立即孵化。
D= Diapause eggs sink to the ocean bottom where they stay until conditions become suitable for hatching. 这些卵沉到海底,直到条件适合孵化时才孵化。暗示了海底的条件不合适,一定会有等待的过程。
C D 的核心区别是:1. C 省略了sink to the bottom这一核心信息。2. 用unless 替换了until,从根本上改变了句子的含义。
所以答案:D ✅
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