卫生行业标准的符号是()。 A.GB,GB/T B.GJ,GJ/T C.JG,JG/ 发布时间:2017-09-07 19:50 │ 来源:www.tikuol.com 题型:单项选择题 B1型题 问题: 卫生行业标准的符号是()。A.GB,GB/TB.GJ,GJ/TC.JG,JG/TD.BG,BG/TE.WS,WS/T
题型:单项选择题 B1型题 —I’m trying to find yesterday’s paper. Have you seen it?—I’m afraid I ______ it away. I thought you had finished reading it.A.had thrownB.throwC.would throwD.threw 查看答案