第18题: [单项选择]Some psychologists maintain that thinking is ______. A. not a mental process B. more of a physical process than a mental action C. a process that involves our entire bodies D. a process that involves the muscles as well as the brain 参考答案:D 答案解析:[注释] 本题考点在文章第一句中的mental acts such as thinking are not performed in the brain alone,but that one's mu