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【单选题】
You are the network administrator for Your network consists of a single Active Directory domain named All network servers run Windows Server 2003. A server named TK1 hosts user home folders, which occupy 12 GB of disk space. You install a backup tape device on TK1. You create a batch file that will automatically back up TK1 by running Ntbackup.exe every day at 1:00 A.M. One week later, you test your restoration procedure for home folders on TK1. You notice that your backup data occupies only 9 MB of disk space. You review the backup batch file: REM "Backup Batch File" NTBACKUP.EXE BACKUP D://m daily /1:s /v:yes /k "BACKUP_TK1" You need to ensure that all existing and future data on TK1 is backed up successfully. What should you do?（）A.
Specify /b in the command line of the batch file.
B.
Change /m daily to /m normal in the command line of the batch file.
C.
Modify the NTFS permissions on the user home folders to assign the Allow - Full Control permission to the Administrators group.
D.
Add the local Administrator account for TK1 to the local Backup Operators group
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【简答题】非活性混合材料掺入硅酸盐水泥中可以起到的作用是( )、( )、( )。
【单选题】The _______ supports the diesel engine with hydraulic pumps for travel drive, vibration drive and steering ,and other parts of the vibratory rollers.
A.
articulated joint
B.
drive shaft
C.
front frame
D.
rear frame
【简答题】在一定条件下,NO跟NH 3 可以发生反应生成N 2 和H 2 O。现有NO和NH 3 的混合物1 mol,充分反应后所得产物中,若经还原得到的N2比经氧化得到的N 2 多1.4g。 ( 1 ) 写出反应的化学方程式并标出电子转移的方向和数目。 ( 2 ) 若以上反应进行完全,试计算原反应混合物中NO与NH 3 的物质的量可能各是多少。
【简答题】在一定条件下，NO跟NH 3 可以发生反应生成N 2 和H 2 O。现有NO和NH 3 的混合物1mol，充分反应后所得产物中，若经还原得到的N 2 比经氧化得到的N 2 多1.4g。 （1）写出反应的化学方程式并用双线桥标出电子转移方向和数目。 （2）若以上反应进行完全，试计算原反应混合物中NO与NH 3 的物质的量各是多少？
【简答题】（8分）在一定条件下，NO跟NH 3 可发生反应：6NO＋4NH 3 ＝5N 2 ＋6H 2 O。现有NO与NH 3 的混合物1mol，充分反应后所得产物中，经还原得到的N 2 比经氧化得到的N 2 多1.4g。 （1）标出电子转移的方向和数目。 （2）若以上反应进行完全，试计算反应混合物中NO与NH 3 的物质的量可能各是多少。
【单选题】It looks as if it came straight from the set of Star Wars. It has four-wheel drive and rises above rocky suces. It lowers and raises its nose when going up and down hills. And when it comes to a ri...
A.
It swims.
B.
It raises its nose.
C.
It uses hydrojets.
D.
It uses its four-wheel drived.
【单选题】在一定条件下，NO跟NH 3 可以发生反应：6NO+4NH 3 =5N 2 +6H 2 O，该反应中被氧化和被还原的氮元素的质量比是（ ）
A.
3：2
B.
2：1
C.
1：1
D.
2：3
【单选题】It looks as if it came straight from the set of Star Wars. It has four-wheel drive and rises a bove rocky suces. It lowers and raises its nose when going Up and down hills. And when it comes to a r...
A.
It swims.
B.
It raises its nose.
C.
It uses hydrojets.
D.
It uses its four-wheel drive.
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