根据《固定电话交换设备安装工程验收规范》(YD/T5077—2005),初验应在()进行。
A.安装工艺合格后
B.软件版本检查合格后
C.软件补丁升级后
参考答案:A, B
Not until Dec. 2003 _____ caught by the US soldiers, and it was a great victory for the USA. [ ]
A. was Saddam Hussein
B. Saddam Hussein was
C. had Saddam Hussein been
D. Saddam Hussein had been
细胞凋亡的生物化学改变中,错误的是()。
A.细胞膜功能完好
B.需要核基因表达
C.常发生线粒体DNA损伤
D.需要DNA酶的激活
E.不发生线粒体DNA的损伤