1.Over a third of population was estimated to have no _______ to the health service. A. assessment B. assignment C. exception D. access D【句意】据估计,有超过三分之一的人口享受不到医疗服务。 【解析】名词词义辨析。assessment“看法;评估”;assignment“任务;分派”;exception“除外,例外”;access(一般与to搭配使用)“通道;(使用或见到的)机会,权利”。由句中关键词“the health service医疗服务”的对应知D项正确。 2. The United States and Canada are lands of ______ except for the Indians, who are the only true natives. A. emigrants B. immigrants C. dwellers D. inhabitants B【句意】除了唯一真正的本地人印第安人以外,美国和加拿大是移民之地。 【解析】名词词义辨析。emigrant“移居国外者”;immigrant“(外来)移民;外侨”;dweller“居民,居住者”;inhabitant“居民;栖息动物”。由句中关键词“except for the Indians, who are the only true natives除了唯一真正的本地人印第安人以外”的对应知“(外来)移民”符合语境,故答案选项为B。 3.Before he went to Japan on a business trip, Mr. Henry had ______ the day-to-day management of his company to his son. A. turned up B. turned over C. turned to D. turned into B【句意】在去日本出差之前,亨利先生已把公司的日常管理移交给了自己的儿子。 【解析】词组辨析。turn up“(意外地或终于)出现;发现;调高(音量或热度)”;turn over“翻转;移交给”;turn to“转向;变成;求助于”;turn into“变成”。根据句中的时间状语“Before he went to Japan on a business trip”以及空白处后面所跟的宾语“the day-to-day management of his company”可知“移交给”符合语境,故B项正确。