题目

公有制为主体，主要体现在（   ） ①国有资产占优势 ②就全国而言，公有资产在社会总资产中占优势 ③公有资产在各个行业占优势 ④国有经济控制国民经济命脉，对经济发展起主导作用 A.①②    B.②③    C.②④    D.①④ 答案：C 【解析】在我国，国有经济控制国民经济命脉，是国民经济的支柱，对国民经济的发展起主导作用。这种主导作用主要体现在控制力上，对关系国民经济命脉的重要行业和关键领域，国有经济必须占支配地位，而不是控制各个领域，垄断整个市场。所以A、B、D表述错误。世界500强中中国68家国有企业上根据句意，从下面方框中选择适当的单词并用其正确形式填空。training branch safe rule careless【1】All teachers and students should obey (遵守) the school__________.【2】The boy has been missing for 2 days. His parents are worrying about his___________.【3】The football player broke his right leg in the__________.【4】Simon took Jack’s bag home_____________.【5】The boy held a small___________of a tree in his hand.