多项选择题
A.向上向善B.孝老爱亲C.忠于祖国D.忠于人民
在美国的商业票据市场上,大多数商业票据的发行面额都在( )。A.10万美元以上B.20万美元以上C.50万美元...
单项选择题在美国的商业票据市场上,大多数商业票据的发行面额都在( )。
引起水泥体积安定性不良的主要原因是熟料中含有过量的()。A.游离氯化钙B.游离氧化铝C.游离氧化镁D.三氧化二...
多项选择题引起水泥体积安定性不良的主要原因是熟料中含有过量的()。
A.游离氯化钙B.游离氧化铝C.游离氧化镁D.三氧化二铝E.三氧化硫
听力原文:M: Didn't I tell you? I retired on Friday.W: Reall...
单项选择题听力原文:M: Didn't I tell you? I retired on Friday.W: Really! I didn't think you'd be retiring for another five years or so.M: Well. I'll be seventy then, you know.W: Well. I never! I thought you were still in your fifties.How old is the man now?A.In his fifties.B.In his sixties.C.Seventy.D.Seventy-five.