第29题: [单项选择]以下视网膜变性易造成视网膜脱离的有() A. 铺路石样变性 B. 蜗牛迹样变性 C. 格子样变性 D. 压迫变白 E. 鹅卵石样变性 参考答案:C 答案解析:格子样变性和视网膜裂孔易导致视网膜脱离。蜗牛迹样变性、铺路石样变性、压迫变白、鹅卵石样变性都是不易造成视网膜脱离的变性。
第31题: [单项选择]Dr. Smith was always ______ the poor and the sick, often providing them with free medical care. A. reminded of B. absorbed in C. tended by D. concerned about 参考答案:D 答案解析:[译文]史密斯医生总是关心穷人和病人,经常给他们提供免费医疗。
[题解]短语辨义:remind sb.of sth.“提醒某人某事”;be absorbed in“专心于”;be tended by