What are their research findings based on? A.A survey on farmers in northern Japan. B.Tests performed on a thousand old peoplE. C.The study of brain volumes of different peoplE. D.The latest development of computer technology.
A.A B. B.Tests C. C.The D. D.The
【参考答案】
C 正确答案是：C。本题考查细节掌握能力和综合分析能力。在文章第三段“hesetaboutmeasuring......