He _____ tall and he is _____ medium build. [ ]
A. has; of
B. is; of
C. is; on
答案:B
It can’t be a(n) _______ that four jewelry stores were robbed in one night.
A.accident
B.incident
C.chance
D.coincidence
长期服用抗生素者()
A.易患水痘的人群
B.易患白色念珠菌感染的人群
C.易患白斑的人群
D.易患扁平苔藓的人群
E.易患地图舌的人群