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  3. El Nino, the periodic abnormal warming of the sea surface off Peru, a phenomenon

El Nino, the periodic abnormal warming of the sea surface off Peru, a phenomenon

游客2025-02-25  39
问题 El Nino, the periodic abnormal warming of the sea surface off Peru, a phenomenon in which changes in the ocean and atmosphere combine allowing the warm water that has accumulated in the western Pacific to flow to the east.
选项 A、a phenomenon in which changes in the ocean and atmosphere combine allowing the warm water that has accumulated
B、a phenomenon where changes in the ocean and atmosphere are combining to allow the warm water that is accumulating
C、a phenomenon in which ocean and atmosphere changes combine and which allows the warm water that is accumulated
D、is a phenomenon in which changes in the ocean and atmosphere combine to allow the warm water that has accumulated
E、is a phenomenon where ocean and atmosphere changes are combining and allow the warm water accumulating
答案 D
解析 仔细分析A、B、C的语法结构，会发现它们均缺谓语部分：combine是in which从句中的谓语动词；accumulate是that定语从句中的谓语动词，由此排除A、B、C。D、E比较，E有四个缺陷：(1)where作为定语从句的引导词是误用，应改为in which；(2)第一个从句中的arecombining是无根据的，本句描述一客观现象用一般现在时最佳；(3)把combine to allow之间用and分隔，割裂了两者之间的动作和结果关系；(4)用现在分词accumulating改变了原用that从句限定的句意。
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