计算题：某高炉全炉全天放上渣量为1600t，出下渣量为400t，求该高炉上渣率？

以下说法不正确的为( )。

A．室内人体或设备的散热属于显热得热
B．冷负荷是指在某时刻为保持房间恒温恒湿，需向房间供应的冷量
C．得热量是指在某一时刻进入一个恒温恒湿空间
D．湿负荷是指为．维持室内相对湿度所需由房间除去或增加的湿量

我国对从事物业管理工作的专业管理人员实行()制度。

A.执业考试 

B.执业注册 

C.职业准入 

D.职业备案

Don't forget to call me if I _____.[ ]

A. fall asleep          

B. fell asleep          

C. will fall asleep    

D. is falling asleep

界面

The heat generated by the operating system war between rivals IBM Corp. and Microsoft Corp. is (21) .
Windows 95 and OS/2 introduce a new (22) . Both systems claim to multitask legacy DOS and 16-bit Windows applications. However, only OS/2 can provide full memory (crash) protection for these legacy applications because it is capable of running each DOS and Windows application within its full-protected memory address space.
Windows 95 will run all current Windows applications in the same shared- memory address space, affording full memory protection only to the (23) 32-bit Windows 95 applications. In other word, Windows 95 users will have to (24) their current Windows applications to Windows 95 version to match the memory protection OS/2 now delivers.
While OS/2 does afford superior memory protection and multitasking for legacy DOS and Windows applications, it will not be able to run any Windows 95 applications. IBM may address this (25) in an update of the OS but has no present plans to do so.

A. old B. big C. new D. original