语法与词汇 In the Pacific Northwest, as climate and topographyvary, so do the species that prevail in the forests.
【正确答案】 C
【答案解析】句意:在太平洋西北部,随着气候与地势的变化,森林中主要的物种也随之改变。prevail盛行,流行。dominate支配;占优势。rebuild重建;改造。