根据结账时期不同，结账至少包括（ ）两种。
A．日清和月结
B．月结和年结
C．月结和季结
D．半年结和年结
参考答案：B
某男，62岁，素有哮喘，发作二月，时轻时重，近2日喘咳加剧，喘急面青，躁烦不安，汗出肢冷，舌淡紫，脉细，治宜（）
A.益气回阳救逆
B.养阴益气救脱
C.健脾益气固脱
D.补肺纳肾固脱
E.温肾平喘固脱
Miss Gao has taught us English two years. I have been here two years ago. [ ]
A. since; for
B. since; since
C. for; since
D. for; for
