There _____ a ruler and some pencils on the desk. [ ]
A. is
B. are
C. have
D. has
答案:A
银行汇票的兑付流程是什么?
太阳病,发汗太多而致痉的原因是()
A.伤阳
B.伤气
C.伤血
D.伤津液
E.伤阴