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【单选题】
有一根长度为500m、外径(直径)为300mm的热力管道在室外,测得其外表面温度为48.5°C,室外空气温度为25°C。已知管外壁与空气的复合传热系数为11 W/(m2.K),试计算该热力管道的散热量.
A.
φ=121.75kW
B.
φ=1215kW
C.
φ=127.5kW
D.
φ=12175kW
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参考答案:
举一反三
【多选题】与I型超敏反应有关的细胞是:
A.
肥大细胞
B.
嗜碱性粒细胞
C.
浆细胞
D.
嗜酸性粒细胞
E.
T细胞
【单选题】4FCR is the short form of( )in groupage transport which is issued by a freight forwarder to each seller.
A.
The Forwarder’s Certificate of Reception
B.
he Freight’s Certificate of Reception
C.
The Forwarder’s Certificate of Receipt
D.
The Freight’s Certificate of Receipt
【多选题】欧阳询楷书的代表作品是( )
A.
《九成宫醴泉铭》
B.
《化度寺碑》
C.
《皇甫诞碑》
D.
《孟法师碑》
【单选题】FCR is the short form of ( ) in groupage transpot which is issued by a freight forwarder to each seller.
A.
The Forwarders’ Certificate of Reception
B.
The Freight’s Certificate of Reception
C.
The Forwarders’ Certificate of Receipt
D.
The Freight’s Certificate of Receipt
【多选题】与I型超敏反应有关的细胞是:
A.
肥大细胞
B.
嗜碱性粒细胞
C.
浆细胞
D.
嗜酸性粒细胞
E.
T细胞
【多选题】欧阳询楷书的代表作品是( )
A.
《九成宫醴泉铭》
B.
《化度寺碑》
C.
《皇甫诞碑》
D.
《孟法师碑》
E.
《雁塔圣教序
F.
《伊阙佛龛》
【单选题】You configure the hard disk on each computer to have two 4-GB partitions. Windows NT  Workstation is installed on driver C.  Windows 2000 Professional is installed on drive D.   In Windows 2000 Profes...
A.
Use Windows 2000 Professional to configure drive D as a dynamic partition
B.
Use Windows 2000 Professional to enable Encrypting File System (EFS) on drive D
C.
Use Windows NT Workstation to configure NTFS permissions on drive D to deny the users write permission
D.
Reinstall Windows NT Workstation after configuring the disk quotas
【单选题】As a Company employee you are the desktop administrator of a Windows 2000 Professional computer.  The Windows 2000 Professional computer has 25 MB of free disk space drive C and 800 MB of free disks p...
A.
From the Printer Properties dialog box, change the location field to  E:/Winnt/System32/Spool/Printers
B.
From the Print Server Properties dialog box, change the location of the spool folder to any   existing file path on drive E
C.
Copy the C:/Winnt/System32/Spool/Printers folder to the E:/Winnt/System32/Spool/Printers  folder
D.
Mount drive C as a subdirectory on drive E
【单选题】You have 17GB of private files on drive D on your Windows 2000 Professional computer. You have shared the files as private_files. You do not want other users to see this share name in the browse list....
A.
Stop the computer browser service, and disable the startup state.
B.
Change the comment for the share to hidden:Yes
C.
Change the share name to private_files$.
D.
Add a hidden entry to the HKLMSystem/currentcontrolset/services/larmanserver/shares/private_files registry value entry.
【单选题】FCR is the short form of( )in groupage transport which is issued by a freight forwarder to each seller.
A.
The Forwarder’s Certificate of Reception
B.
he Freight’s Certificate of Reception
C.
The Forwarder’s Certificate of Receipt
D.
The Freight’s Certificate of Receipt
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