第18题: [单项选择]The doctors were worried because the patient did not recuperate as rapidly as they had expected. A. withdraw B. emerge C. recover D. uncover 参考答案:C 答案解析:[解析] recover意为“恢复(健康)”,如:recover from illness(恢复健康)。withdraw意为“收回,退出”;emerge意为“出现”;uncover意为“揭开,揭露”。