题目

17. He was proud of his children: he liked to have them ________; he was proud of his tractor: he wanted to have it ________ from morning till night.   A) admire… worked                   B) admired… working   C) to admire… to work                 D) admiring… Working 答案：B 我国正在加快发展绿色食品。你认为符合绿色食品要求的是 ①产品的原料必须是绿色植物 ②产品的生产过程符合技术标准 ③产品的产地符合环境质量标准 ④产品的加工、包装和储运符合国家相关标准 [　　] A．①②③ B．①②④ C．①③④ D．②③④