简答题In "pro and con", "pro" means "in favor of".简答题Using vivid facial expressions or bigger gestures can also improve your tone of voice.简答题Stressed words are ________ in a sentence. A、words to be most important B、signal words C、words after verbs D、verb phrases简答题When asking a rhetorical question, the speaker does expect an answer from the audience.简答题What is a typical language pattern when introducing background information ？ A、As far as I am concerned... B、As we have already seen,... C、This lecture will focus on ... D、The research is conducted by...简答题Which of the following symbols are commonly used in English? A、@ B、& C、+ D、^简答题Which of the following is NOT a tip for giving a public speech? A、Giving out handouts. B、Time perfect. C、Eye-contact. D、Natural gestures.简答题A right home position should ___________________. A、make sure all audience can see you easily B、make sure you don't stand in front of any visual aids C、make sure you are close enough to anything you need to use D、make sure you can hear the audience clearly简答题Which of the following expressions is NOT used to show emphasis? A、A key feature. B、Remember that. C、Most of all. D、For instance.简答题Which of the following is NOT used to invite other listeners to speak? A、How are you ? B、How/What about you ? C、What exactly? D、Why do you think so ?