1.最高级标志词形容词、副词最高级most/chief/primary/main/leading/......
2.唯一级标志词only/unique/prefer/every/one/ofall/perfect/......
3.因果项标志词cause/leadto/contributeto/thanksto/owingto/question/answer/why/reason/其他形式的问句/......
4.转则项关键词despite/inspiteof/instead/while/from~to~/although~(yet)~/notonly~butalso~/......
5.序数项标志词所有的序数词(first,second)/another/theother/next/last/inaddition/ontheotherhand/......
6.时间项标志词when/how/today/as/before/after/since/then/until/......
7.解释项标志词or/namely/inotherwords/thatis/thatistosay/......
9.总结项标志词allinall/inbrief/toconclude/atlast/insummary/inshort/......
10.强调项标志词副词：especially/particularly/almost/always/usually/......动词：show/remember/note/notice/say/pronounce/......
