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单选题
70 Each Chapter or Section is to start with a general description of the system and its operation and should be labeled Description and Operation
A
Each Chapter or Section begins with either a general description of the system or its operationor Description and operation should be labeled
B
Each Chapter or Section begins with neither a general description of the system nor it soperation nor Description and operation should be labeled
C
Each Chapter or section,which is to begin with both a general description of the system and it soperation, should be named Description and Operation
答案解析
正确答案：C
