单选题 A research center has been set up in this country.
【正确答案】 B
【答案解析】[解析] 题干大意:在这个国家已经建起了一个研究中心。画线词set up:建立。选项中,establish:建立,可互换而不改变句子。praise:表扬,如:Praise and positive reinforcement are an important part of the Matsushita philosophy.表扬和正面帮助是松下哲学思想的重要组成部分。criticize:批评,如:Some education experts criticized the program because its teachers get only five weeks of training before they start teaching.有的教育界权威批评这个项目,因为它的老师在执教之前只得到仅仅五周的培训。reform:改革,如:The trouble is they have never succeeded at tax reform.糟糕的是他们没有成功地进行税收改革。