题目内容

Proper ______ design is just the first step in survey.A.questionnaireB. question C. commitment D. warranty

A. questionnaire
B. question
C. commitment
D. warranty

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4. In conducting a survey, there are several processesa. determine what people are targeted and how they are interviewed.b. design the questionnairec. collect and analyze the datad. establish the goal of the projecte. produce the findingsThe right order should be :

A. b-a-c-d-e
B. d-a-b-c-e
C. a-b-c-d-e
D. c-d-a-b-e

P19-22 Match the writer with their works.

P11-18 Match the writer with his works .

关于继承与接口的说法中，不正确的是

A. Java只支持单继承
B. 一个类可以同时实现多个接口
C. 一个类在实现接口的同时还能继承某个基类
D. 接口不能继承