【简答题】All Eskimos live most of their lives close to sea or fresh water. They may follow inland for several hundred miles, but they always return to the shores of rivers, lakes, or seas. Eskimo land has...
【单选题】根据短文回答 41~45 题。 Eat More, weigh Less, Live Longer Clever genetic detective work may have found out the reason why a near-starvation diet prolongs the life of many animals. 'It's very cool work,'says a...