【简答题】Anthropologists agree that our primitive ancestors who inhabited the tropics probably have natural protection against the sun.
【单选题】顺序串中,根据空间分配方式的不同,可分为( )。
【单选题】在顺序串中,根据空间分配方式的不同,可分为( )
【单选题】Present human being respond to chronic stress in the same way as our ancestors did, why do we get fat while our ancestors didn’t?
A.
Because our ancestors didn’t have relationship troubles.
B.
Because our ancestors didn’t have Route 66.
C.
Because our ancestors didn’t have so much food at disposal.
D.
Because our ancestors didn’t have a large food storage unit.
【简答题】It ’s excited that so many people like that exciting TV program. A B C D _____________
【单选题】The reason for the government's expansion program working not so well is______
A.
because the farmers were uncertain about the financial support the government guaranteed
B.
because the farmers were uncertain about the benefits of expanding production
C.
because the farmers were uncertain whether foreign markets could be found for their produce
D.
because the older generation of farmers were strongly against the program
【单选题】Our taste for fat and sugar appears to have______ from our ancestors.
【单选题】.No one knows exactly when our ancestors started talking,but new evidence suggests _______might have happened a long time ago.