【单选题】According to the passage, what is one reason that domesticated animals differ from their wild ancestors?
A.
Wild animals find food easily, but domesticated animals must work for food.
B.
Domesticated animals live near humans, so they forget their wild ancestors.
C.
Animals' evolutionary responses in captivity differ from those in the wild.
D.
More animals survive in human environments than in wild environments.
【简答题】What will be the impact of a global computer network on cultural forms? The construction of exclusive information societies has restarted【M1】______ the debate about cultural diversity by renewing the ...
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【多选题】汽车车身的构件一般经过防锈处理,典型的是
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【单选题】新药临床前安全性评价过程中,动物实验大多采用的给药途径是