【判断题】直流12V供电的摄像机,输入电源正负极接错时摄像机会立即烧掉。
【单选题】– What do you think Sally will be ________ five years? – She will be a doctor.
【简答题】(因过于激动)失去自制力;神志失常;发狂:
【单选题】听力原文:What do you plan to do in the next five years? (A) We've got a tight schedule. (B) Sorry, I can't accept your plan. (C) I have no plan yet. (40)
【判断题】直流12V供电的摄像机,输入电源正负极接错时摄像机会立即烧掉