They are taught by their superiors that a soldier who ______ his post in time of war is to
A. deserts
B. deflects
C. detains
D. throws
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Cereals can be fermented by adding water and letting the dough stand.
A. True
B. False
Anti-microbial substances in fermented foods cause acidity.
A. True
B. False
OSI模型中物理层和数据链路层功能与TCP/IP模型中的(56)功能相同。以太网工作在TCP/IP模型的(57)。
A. 接口层
B. 网络层
C. 传输层
D. 应用层
Fermented foods are free of contamination.
A. True
B. False
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