与鼻咽癌发病机制有关的病毒是()。
A.HBV
B.HIV
C.HPV
D.EBV
E.HCV
参考答案:D
----- Are you sure you really want it for watching the Navy
celebration in Qingdao?
----- _______, I’m willing to pay ______ you ask for.
A.No; no matter what
B.Yes; no matter what
C.No; whatever
D.Yes; whatever
产后出血发生率占分娩总数的().
A.2%~3%
B.5%~6%
C.4%~5%
D.3%~4%
E.1%~2%