在 OSI 七层模型中 ,会话层允许会话用户在对话活动中设置同步点 ,一共可设置( )同步点。
A、一类B
暂无解析
Itwasrecommendedthatpassengers_____smokeduringtheflight.
Everyone____therighttohisownopinion.
Thissickmanwas_____inablanket.
PartIVTranslation
Yetthesecarcinogenicadditivesremaininourfood,anditbecomesmoredifficultallthetimetoknowwhichthingsonthepackaginglabelsofprocessedfoodarehelpfulorharmful.(PassageTwo)
PartIVTranslation
Bymeasuringandchartingtheresultsofmanyexperiments,theyaretryingtofindoutwhatmakesdifferentpeopleperceivetotallydifferentthingsaboutthesamescene.(PassageOne)
