温疫毒盛发斑证可选()
A.托里举斑汤
B.犀角地黄汤
C.增损双解散
D.葱豉桔梗汤
参考答案:D
秦长城的重要历史作用是
A.抵御了游牧民族骑兵的进攻,
B.保障了中原农业生产的正常发展
C.阻隔了东西方正常的交往
D.维护了两千多年的封建制度
He found it hard _____ his class. [ ]
A. to catch up
B. catch up
C. catch up with
D. to catch up with