Father Christmas is an old man _____ a long white beard. [ ]
A. with
B. in
C. at
D. to
答案:A
EBV可引起人类皮肤和黏膜的疱疹样病变,与其密切相关的疾病还有()
A.人类肝癌
B.人类乳腺癌
C.胃癌
D.人类鼻咽癌
E.直肠癌
《种树郭橐驼传》本文的主旨是什么?