题目

This book isn’t so ____ as that one.A. more expensive B. much expensiveC. expensive D. much more expensive 答案：【答案】C【解析】句意：这本书不如那本书贵。expensive昂贵的，形容词的原级，比较级为more expensive更贵的；在比较级的前面可以用much来修饰，much more expensive更昂贵；not as …as不如，as …as之间跟形容词或副词的原级，排除A,D；much不能修饰形容词，故答案为C。“大陆漂移假说”是谁提出的（　　）A．魏格纳B．哥伦布C．加加林D．麦哲伦