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Starch is digested in two steps. First, an enzyme in the saliva and ___________ juice breaks the starch into molecules called maltose. Then an enzyme in the lining of the small intestine splits the maltose into glucose molecules that can be absorbed into the blood.

Agastric

B pancreatic

C splenic

D hepatic

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正确答案：A （备注：此答案有误）

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  • 单选题

    Starch is digested in two steps. First, an enzyme in the saliva and ___________ juice breaks the starch into molecules called maltose. Then an enzyme in the lining of the small intestine splits the maltose into glucose molecules that can be absorbed into the blood.

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