a.注意表示转折和对比的逻辑词:but,however,nevertheless,while,infact,whereas,unexpectedly,unfortunately,yet,except,ontheotherhand,comparedto,unlike,instead,incontrastto等
b.注意表示因果的逻辑词:asaresult;since,dueto;becauseof;therefore,thus,so
c.注意表示否定的逻辑词:not,no,rarely,seldom,never
d.表让步的逻辑词:despite,inspiteof,although,though
allinall/inbrief/toconclude/atlast/insummary/inshort