在信息传达上具有展现内在状态、使抽象概念形象化、复杂信息简明化，适用于来传达内在性、系统性、整体性、宏观性、对比性的信息，这类传播符号是（）。
Thenewdiscovery_______beofgreatservicetomankind.
IntheUnitedKingdom,policeofficersarenotallowedtojoin________ortogoonstrike.
Pleasewriteareport_______theabovesubjectsaretobecovered.
Bothofmybrothersarenowmarried，soIhavetwo_____.
Theyareeager_______abroad.
Thereisn‘tmuchmilk_____isleftinthebottle.
Itrainedhardyesterday,______preventedmefromgoingtothepark.
Wepromisethatwe’llmeetagainafterwe_______ourcollegeeducationinthreeyears’time.
Veryfewpeopleunderstoodthiscontract,______wasveryobscure.
Iknowmylimitations,soIwon’tdoanything______myability.