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【单选题】
In Banting’s proposal for insulin extraction, he suggested to ligate the pancreatic ducts in pancreas because he wanted to______.A.
protect insulin from degradation by the digestive juices produced by pancreas
B.
increase the purity of extracted insulin
C.
test the biological activity of insulin
D.
study the biological function of pancreas
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【简答题】__________是指课的基本组成部分及各组成部分进行的顺序、时限和相互关系。
【判断题】随着丝绸之路沿线贸易的蓬勃发展,敦煌迅速发展为中国历史上国际贸易最开放的地区。 译文: With the flourishing of trade along the Silk Road, Dunhuang quickly developed to become the most open area in international trade in Chinese history.
A.
正确
B.
错误
【判断题】随着丝绸之路沿线贸易的蓬勃发展，敦煌迅速发展为中古历史上国际贸易最开放的地区。译文：With the flourishing of trade along the Silk Road, Dunhuang quickly developed to become the most open area in international trade in Chinese history.
A.
正确
B.
错误
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