下列各项均为“急腹症”的病因,但除外().
A.肠梗阻
B.胃肠穿孔
C.卵巢扭转
D.宫外孕
E.肝淤血
参考答案:E
Everyone agrees that the Philippine police ____ for the tragedy that Hong Kong tourists were killed.
A.are to blame
B.are to be blamed
C.are being blamed
D.have blamed
在所列出的①字处理软件、②Linux、③Unix、④学籍管理系统、⑤Windows 9X和⑥Office 97六个软件中,属于系统软件的有( )。
A.①②③
B.②③⑤
C.①②③⑤
D.全部都不是