中暑按发病机制可分为三种类型:____、____、 ____。
噪声性耳聋是在工作中长期处于高噪声环境而造成的一种职业性疾病。它属于化学因素职业危害的一种。
A. 对
B. 错
Completethefollowingreferencerequestletterbyfillingintheblankswithappropriateprepositions.DearMrs.White:Wehavereceivedanapplication1)Carl2)thispost.Detailsofourcompanyandacopyofthejobdescriptionareenclosed.Carlhastoldusthatwemayapply3)you4)areference.WeshouldbegratefulifyoucantellushowlongCarlhasbeenemployed5)TopFactory,andwhatpostshehasheld.Weshouldliketohavesomeinformation6)hispersonalabilities.Thispostrequiresleadershipqualities,abilitytocommunicateandwork7)ateam,andagoodcommand8)English.Doyouconsiderhimasuitablepersontoholdakeymanagementpositioninanexpandingmultinationalcorporation?Thankyouforyourhelp.Yoursincerely,LindaChen
单片机程序设计中经常用到中断,在C51语言中用中断序号,汇编语言中称入口地址,二者是对应的,外部中断0的序号及入口地址为()。
A. 2 、0013H
B. 1 、0013H
C. 0、 0003H
D. 0、000BH