LKJ主机输入电源为()。
A、DC24V
B、DC50V
C、DC110V
D、DC220V
参考答案:C
Quite a few people used to believe that disaster ______ if a mirror was broken. [ ]
A. was sure of striking
B. was sure of having struck
C. was sure to be struck
D. was sure to strike
如果对某一张幻灯片进行详细设计、应在()下进行。
A.大纲视图
B.幻灯片放映视图
C.幻灯片视图
D.幻灯片浏览视图