—I am really struck by your spoken English. You speak so fluently. Have you been abroad?
—Yes. I ______ in London for two years.
A:have stayed
B:stayed
C:had stayed
D:have been staying
①增强国有经济的市场竞争力
②实现各种所有制资本相互促进、共同发展
③充分适应现阶段各层次生产力发展水平
④增强国有资本在各行业的控制力
在图幅一定的情况下,下列哪种比例尺的地图内容最详细 ( )
苏格拉底说:“不要靠馈赠来获得一个朋友,你需要献出你真挚的爱,学习怎样用正当的方法来赢得一个人的心。”花圃靠浇灌,友谊靠培养。下列说法中不利于培养友情的是 ()