“针尖对麦芒” is similar in meaning with “tit for tat” in English.

Inmostlanguages,agreetingisusuallyfollowedby“smalltalk”.Smalltalkmeansthelittlethingswetalkaboutatthestartofaconversation.InEnglish-speakingcountriespeopleoftenmakesmalltalkabouttheweather:"Niceday,isn’tit?""Terribleweather,isn’tit?"Butthereissomethingspecialaboutsmalltalk.Itmustbeaboutsomethingwhichbothpeoplehavethesameopinionabout.Thepurposeofsmalltalkistoletbothpeopleagreeonsomething.Thismakesmeetingpeopleeasierandmorecomfortable.Peopleusuallyagreeabouttheweather,soitisasafetopicforsmalltalk.ButpeopleoftendisagreeaboutreligionorpoliticssothesearenotsuitabletopicsforsmalltalkinEnglish.Thetopicsforsmalltalkalsodependonwheretheconversationistakingplace.Atfootballmatches,peoplemakesmalltalkaboutthegametheyarewatching:"Greatgame,isn’tit?"Atbus-stops,peoplemaycommentaboutthetransportsystem:"Thebusserviceisterrible,isn’tit?"Greetingsandsmalltalkareanimportantpartofconversationinanylanguage.Thewaypeoplegreeteachotherandthethingstheytalkabout,however,maybedifferentfromonelanguagetoanother.Thisshowsthatthereismuchmoretolearnwhenwelearnalanguagethanjustthevocabularyandthegrammarofthelanguage.Wealsohavetolearnthesocialbehaviorofthepeoplewhospeakit.

It’sburninghottoday,isn’tit?

The_____ofCollegeEnglishTestsistohelpstudentslearnEnglishbetter,isn’tit?

Well,I'vegotaheadonmyshouldersandagoodpa...t'ssecurity,isn’tit?

So,it’sabadideatotakethat_________fromFiFa,wasn’tit?Very______________tothereputationofInterpol.Istoppedthat.Iknewyoustoppedit.Inyouspeech,yousaidyoustoppedit.Yes,Andofcourse.Itwas________________thecorevalueofInterpol

TAT皮试液0．1ml含TAT（ ）

In Jensen–Waldman Mini Tournament， where Jensen plays tit-for-tat and Waldman plays the dominant strategy， Jensen must win the head-to-head competition。（ ）

在仪表中PG代表（），PIT代表（），TG代表（），TIT代表（）

、曾经注射过破伤风类毒素的小儿，再次受伤后的处理 （ ） A: 注射TAT 500U B: 注射TAT 1000U C: 注射TAT 1500U D: 注射TAT 2000U E: 破伤风类毒素0.5ml