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【多选题】
以下是蛋白质消化过程的有A.
在胃中，胃酸pH=1-2,使蛋白质变性，结构打开
B.
胃蛋白酶原在胃酸作用下激活，分解蛋白质
C.
胰腺分泌胰蛋白酶和蛋白酶继续分解蛋白质
D.
蛋白质通过消化，变性
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反馈参考答案：
举一反三
【判断题】心理健康与不健康不是泾渭分明的对立面 。心理健康水平可分为不同的等级,但心理健康与病态之间很难找到确切的界限,因而在有些情况下主要是程度上的差异。
A.
正确
B.
错误
【简答题】There are two main reasons for destroying rain-forests make us suffer much more than we will benefit. Firstly, when people cut down trees, generally they can only use the land for a year or two.Second...
【单选题】Company A and Company B of the same supply chain rely on market responsiveness to attract customers. Each company has access to the other company's designs, production schedules, and goals, and if Com...
A.
intrafunctional scope.
B.
intraoperation scope.
C.
interfunctional scope.
D.
intercompany scope.
【单选题】If a decrease in prices increases total revenue for a product in the short run, in the long run, it will:
A.
Increase total revenue by more.
B.
Increase total revenue by less.
C.
Decrease total revenue.
D.
Either b. or c. could result in the long run.
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