第21题: [单项选择]Many of these workers cannot afford to purchase individual health care ________. A. assurance B. guarantee C. allowance D. insurance 参考答案:D 答案解析:[句意]这些工人中有许多人都买不起个人健康保险。
[辨析]D)。形近易混词辨析。assurance意为“确信”,如:He gave me a definite assurance that the