马克思和恩格斯在撰写《共产党宣言》时，曾预言当时资本主义已走上穷途末路，死期临近。但是过了近半个世纪，恩格斯在生前最后一篇文章中以科学的实事求是的态度写道：“过去的判断是不对的，19世纪中叶欧洲大陆的社会经济还远没有成熟到可以铲除资本主义生产方式的程度”，资本主义还有很强的“扩展能力”。下列符合恩格斯这一论断的是（  ）

 除去下列物质中含有的少量杂质（括号内的物质），所选试剂不合理的是（　　）

    Most Chinese eat three meals a day. In the past,they had breakfast in the morning, a big lunch at noon, and a light supper at night.

    But now both men and women in the big cities have to work on the weekdays. So they often eat bread, eggs, milk and porridge forbreakfast at home. For lunch, Chinese take-away food is very popular. They often have a quick lunch in their workplaces.

    After work in the afternoon, they have more time for supper. They usually eat a big meal at home. Wives often cook meat, fish, chicken, vegetables and rice for their family.You can also find dumplings and noodles on the table in most families of northern(北方的)China.