内衬纸应()性能良好,以防止卷烟霉变和卷烟香气的损失,且质地应柔软、易折叠而不破裂。
参考答案:防潮防湿
________hard you try,it is difficult to lose weight without cutting down the amount you eat. (2012·湖南,32)
A.However
B.Whatever
C.Whichever
D.Whenever
派氏体系价格指数主张()。
A.以基期销售量为同度量因素
B.以报告期销售量为同度量因素
C.以基期价格为同度量因素
D.以报告期价格为同度量因素