My sister's best friend ____ a nice dress.[ ]
A. have got
B. has got
C. have
答案:B
慢性盘状红斑狼疮在牙龈的表征是()
A.牙槽骨吸收、牙周袋形成
B.牙龈红肿、龈袋形成
C.剥脱性龈病损
D.牙龈组织弥漫性增生,表面呈颗粒结节状
E.龈缘及龈 * * 坏死
在windows系统中,下列合法的文件名是________。
A.a*3.doc
B.a?bc.xls
C.3&cd.txt
D.a/bd.exe