外汇必须以外国货币来表示是外汇的基本特点。( ) 发布时间:2017-02-04 03:10 │ 来源:www.tikuol.com 题型:判断题 问题: 外汇必须以外国货币来表示是外汇的基本特点。( )
题型:判断题 The world’s population has grown by ______ it was in 1800. A.more than six times thatB.six times more than thatC.more than six times whatD.six times as many as 查看答案