题目

 They have no idea at all ________. A. where he has gone    B. where did he go  C. which place has he gone  D. where has he gone 答案：A经济全球化，中国面临的挑战有①保护主义盛行②经济全球化对发展中国家产生的负面影响③西方国家搞“和平演变”政策④中国国际地位和作用日益加强A.①②③B.②③④C.①②D.②③