吴又可对瘟疫的独特见解表现在：（）
A.病因方面
B.预防方面
C.流行特点方面
D.发病方面
E.治疗方面
参考答案：A, C, D, E
— I will come to attend your lecture at 10:00 tomorrow.
— I’m sorry, by then my lecture will have ended and I＿＿my guests in my office.
A．is being met
B．will meet
C．will be meeting
D．will have met
重度生锈或点蚀钢表面比新的钢表面难于彻底清理
