The instructor failed the student because of his sporadic attendance record．Occasional attendance in class was unacceptable to the teacher．

An<br/>outbreak( ) of disease in a bird population is called () A: epidemic B: endemic C: sporadic D: Epornithic

He is easily influenced by other people and ____ to suggestions. A: estranged B: sporadic C: tumultuous D: susceptible

HIV cases are reported from all over the world. This is called as A: Endemic B: Epidemic C: Pandemic D: Sporadic

What is the best descriptor of the usual presence of a disease in the human population in a given geographic area() A: Sporadic B: Endemic C: Outbreak D: Epidemic E: Pandemic F: Risk factor

Which of the following situations is not suitable for NC machining? A: Machining content that needs to be adjusted over a longer period of time B: A situation in which a general machine tool is difficult to process and its quality is difficult to guarantee C: Other sporadic location that can not be processed in one installation D: The occasions of low efficiency and unstable quality with general machine tools

Questions 1-6 :For each numbered situation below, select the most appropriate term from the following lettered options.Each option can be used once,more than once,or not at all.<br/>What is the best descriptor of an epidemic that occurs suddenly and within a relatively confined geographic area() A: Sporadic B: Endemic C: Outbreak D: Epidemic E: Pandemic F: Risk factor