第21题: [单项选择]______ she realized it was too late to go home. A. No sooner it grew dark than B. Hardly did it grow dark that C. Scarcely had it grown dark than D. It was not until dark that 参考答案:D 答案解析:[解析] no sooner than为固定搭配，但句子需倒装，A项错误。hardly和scarcely须和 when搭配，B、C两项也错误。
第25题: [单项选择]患者，男，12岁。患流痰3年，溃口位于左腰部，脓水稀薄，夹有败絮样物，伴有午后潮热，夜间盗汗，口燥咽干，咳嗽痰血，舌红少苔，脉细数。内治应首选（） A. 阳和汤 B. 知柏地黄丸 C. 清骨散 D. 人参养荣汤 E. 六味地黄丸 参考答案:C 答案解析:患者午后潮热，夜间盗汗，口燥咽干等均为阴虚火旺之象，治以养阴清热托毒，用清骨散加减。流痰阳虚痰凝证予阳和汤，肝肾亏虚证予左归丸合香贝养荣汤，气血两虚予人参养荣汤或十全大补汤。
