题目内容:
Whatwastheresultofthefirststudy? A.TheWesternersseemedtobemoreactivethanpeoplethought.
B.TheWesternersburnedmorecaloriesthantheHadza.
C.TheHadzaandtheWesternersweresimilarincaloriesburned.
D.TheHadzaandtheWesternerswereverydifferentfromeachother.
参考答案:
答案解析: