题目

 The chairman requested that ＿＿＿＿＿＿＿＿＿＿＿.A. the members studied the problem more carefullyB. the problems were more carefully studiedC. the problems could be studied with more careD. the members study the problem more carefully 答案：D 解析: 在suggest, demand, request，require(要求)，order(命令),insist（坚持），advise（劝告）等动词之后的宾语从句中，谓语动词要用(should) do，同时还应注意语态。下列城市位于辽中南工业基地的是（）A. 唐山 B. 哈尔滨 C. 沈阳 D. 南京