简答题Answering questions partially is a general technique for answering questions.简答题Using (1) language to signal the speaker if you want to interrupt politely.简答题What are the features of on-the-spot questions? A、Extensiveness. B、Unpredictability. C、Timeliness. D、Practicability.简答题What are the functions of asking questions? A、Obtain an answer. B、Gain possible solutions to a problem. C、Show interest. D、Trigger a debate.简答题Smiling and nodding occasionally are good ways to show that you are interested in what's being said.判断题What kind of function(s) can asking questions serve in a discussion? A、Obtaining an answer. B、Gaining possible solutions. C、Showing interest. D、Triggering a debate.