The information received by AIS will be displayed on().
A.DCU
B.UTC
C.ENC
D.MENU
参考答案:A
仔细看看下面每组是不是反义词,正确的在括号里写T,不正确的写F,并加以改正,写在横线上。
( ) 1. loud, loudly ______________
( ) 2. slow, quick ______________
( ) 3. new, old ______________
( ) 4. tall, fall ______________
当再热器出口安全阀误动作后不返回时,应如何处理?