—Where is my soccer ball?
—It's _______ your bed. [ ]
A. under
B. of
C. to
D. for
答案:A
与慢性念珠菌感染有关的疾病是()
A.白色水肿
B.义齿性口炎
C.白色海绵痣
D.白色角化病
E.黏膜下纤维性变
()供应链管理的发展经过了萌芽期、形成期、成熟和发展阶段。
A.正确
B.错误