【多选题】子类中定义的方法与父类方法同名且同形时称父类方法被复盖(也称重写)以下说法正确的是( )
B.
在子类中仍可用super.方法名调用父被复盖的方法
D.
子类方法必须与父类被重写的方法在访问权限、返回值类型、参数表等方面完全一 致
【单选题】在0.10mol·L -1 NH 3 ·H 2 O溶液中,加入少量NH 4 Cl晶体后,引起的变化是
【判断题】在 NH 3 ·H 2 O 溶液中,加入水,会使 NH 3 ·H 2 O 离解度减少。
【单选题】You need to install Windows 2000 Professional on 35 new computers on the company LAN. First, you create a distribution folder on the network server. Then you create a network boot disk to install Wind...
A.
Z:/i386/winnt /s:z:/i386 /t:d: /a /e:z:/hardware/setup.exe
B.
Z:/i386/winnt /s:z:/i386 /rwinnt.tmp /a /e:z:/hardware/setup.exe
C.
Z:/i386/winnt32 /s:z:/i386 /tempdrive:d /cmd:z/hardware/setup.exe
D.
Z:/i386/winnt32 /s:z:/i386 /cmdcons:z:/hardware/setup /makelocalsource
【单选题】When you install a new device in a computer,you have to add the correct device______to the operating system to allow the computer to communicate with the device.
【单选题】下列叙述错误的是( )
C.
疔是一种发病迅速,易于变化而且危险性较大的急性化脓性疾病
D.
疖是发于肌肤浅表部位,范围较小的急性化脓性疾病
E.
丹毒是患部皮肤突然发红成片,色如涂丹的急性传染性疾病
【多选题】You are preparing to install Windows 2000 Professional on 75 new computers. You want to create a standard installation image to use on all the new computers. The computers have several different confi...
A.
Copy Sysprep.inf to C:/Sysprep folder.
B.
Copy the Administrator profile to the Default User profile, and then grant permissions to the Everyone group to use the profile.
C.
Include the-pnpparameter for Sysprep.exe when you rerun that utility.
D.
Include the-nosidgenparameter for Sysprep.exe when you rerun that utility.
【简答题】欲配pH=10.0的缓冲溶液,计算应在300mL0.5mol·L -1 NH 3 ·H 2 O溶液中加入NH 4 Cl的质量。