有理数-83的相反数是83.
故答案是:83.
下面有关毡状材料保温施工说法正确的是( )。
A.保温层外每隔400mm左右用直径1.Omm镀锌铁丝绑扎
B.包完第一层后再包第二层,层数根据所需厚度决定
C.油毡外包玻璃丝布,将布幅面宽裁成200~300mm,搭接宽度为100mm
D.用毡材保温的管道不宜敷设在经常容易被人踢碰处
E.管道外用保温毡包扎,包扎时注意搭接边要贴紧
—Oh,my God!So many students are coming out.How can you________your daughter?
—That's easy.My daughter is wearing a red skirt today.[ ]
A. get out
B. find out
C. take out
D. pick out