设6-13的整数部分为a,小数部分为b,那么2a﹣b的值是( )
下列性状中属于相对性状的是( )
One of the most effective ways to reduce is to talk about feeling with someone you trust.
一字组多词
隐____ ____ 计____ ____
旺____ ____ 墨____ ____