定活一本通中的定期存款最多可开立（）笔。
A.5
B.10
C.20
D.50
参考答案：C
男性，50岁，因呕血、黑粪4h入院，有慢性肝炎史。
对该病人的诊断是（）
A.肝炎
B.胆石症
C.消化性溃疡合并出血
D.食管静脉曲张破裂出血
E.肝癌
The principal is not here, and you'd better call him ______ 3 p.m. ______ 5 p.m. tomorrow. [ ]
A. between; and
B. from; and
C. from; to
D. between; to
