而且

Practice 12  (1) Whatever its underlying reason, there is no doubt that much of the pollution caused could be controlled if only companies, individuals and governments would make more efforts. In the home there is an obvious need to control litter and was

Practice 12  (1) Whatever its underlying reason, there is no doubt that much of the pollution caused could be controlled if only companies, individuals and governments would make more efforts. In the

材料一:在我国能源、钢铁、铁路运输和邮电等关系国民经济命脉的产业中,国有资产均高达95%以上,就产值而言,国有经济在电力、煤气、自来水生产和供应上占90%以上,民航占95%,邮电、通讯、铁路几乎占100%,在高新技术领域,国有经济也占大多数。在全国1.48万个大中型企业中,95%以上是国有企业或国有控股企业。  材料二:在我国,工业总产值中国有经济占28%,集体经济占40.4%,非公有制经济占30%。公有制经济在社会总资产中的比重占70%以上,对国家的贡献率(上缴税收占财政收人总额的比重)超过65%。 

材料一:在我国能源、钢铁、铁路运输和邮电等关系国民经济命脉的产业中,国有资产均高达95%以上,就产值而言,国有经济在电力、煤气、自来水生产和供应上占90%以上,民航占95%,邮电、通讯、铁路几乎占100%,在高新技术领域,国有经济也占大多数。在全国1.48万个大中型企业中,95%以上是国有企业或国有控股企业。  材料二:在我国,工业总产值中国有经济占28%,集体经济占40.4%,非公有制经济占30