n,youcanrecordyourtalkandthenrehearseandpractice. (1分)A 正确 错误46. WhatshouldyoudoinQ&A? (1分)ACD Answeraudiences’questionspolitely. Forsimplequestions,youcansay“thequestionissoeasyandyoushouldaskgoogle”. Deflecttheanswertothepointyouwanttoemphasizeforirrelevantquestions. Admitand/oroffertheapproachtofindingtheanswer,orofferanswerslaterifnoanswer多选47. Whatshouldyoudowhenmakingapresentation? (1分)ABCD Don’treadbutpresentwithconfidence. Mentionmaingoalearlytocaptureattention Don'tsluryourpronunciationsandletsentencestrailoff. Trytoemphasisindifferentways.判断48. Inordertoenhanceperformance,youshoulduseslidesasmanyaspossible. (1分)B 正确 错误判断49. Don’tusetoomanyvariablesandnotations,et. (1分)A 正确 错误判断50. Ifyouuseacircletorepresentsomething,youalsocoulduseittopresentanotherthinginthesametalk. (1分)B 正确 错误