表明自己觀點的信號詞：
　　論點：認為，相信： argue , argument , believe , suppose, think , be convinced that [相信] , hold the belief that … , have a notion that …, view…as , regard….as , see…as, consider….to be, reckon [算作，設想],
　　論據: for example , for instance , specifically, take… as an example
　　like , such as … , Imagine …. ,
　　調查研究：investigation , inquiry [hold an inquiry into a case對一個案子進行調查]
　　research, study, survey, report , questionnaire[調查問卷]，measurement ,
　　調查研究結果：
　　得出結論： conclude that … ，come to a conclusion that …. , draw a conclusion that …
　　表明，發現： show , suggest , demonstrate , manifest [清楚地顯示或表示] display,
　　find , find out, discover, reveal , prove
　　indicate, imply,
　　預測： forecast , foretell, foresee, predict
　　表示贊同： agree, appreciate , approve, consent to
　　表示反對： against , disagree, disapprove, dissent , object to , be opposed to
　　表示事實： belief , fact , reality, truth
　　表示理論，設想：assumption , theory, hypothesis [假設]
　　表示目的： to do, aim at, for the sake of , for , serve as, in favor of [有利于],
　　for the purpose of, intend to do.