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搜题
【多选题】
关于变电站（生产厂房）外墙、竖井等处固定的爬梯，以下说法正确的是（）。A.
爬梯应牢固可靠，并设护笼
B.
以上的爬梯，中间应设有休息的平台
C.
爬梯应定期进行检查和维护
D.
垂直爬梯宜设置人员上下作业的防坠安全自锁装置或速差自控器，并制定相应的使用管理规定
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Where does the guest of honor sit?
A.
on the right of the host
B.
on the left of the host
【判断题】The place of honor at the table is to the left side of the host, with a second guest of honor seated to
A.
正确
B.
错误
【单选题】Where should the guest of honor be seated?
A.
To the right of the host.
B.
To the left of the host.
C.
Wherever he/she wants.
D.
At the place where the dishes are served.
【单选题】按( )键和Print Screen键可以将当前活动窗口的界面复制到剪贴板
A.
〈Alt〉
B.
〈Ctrl〉
C.
〈Ctrl〉+ 〈Ctrl〉
D.
〈Shift〉
【判断题】When a family holds a banquet, the seat of honor is for the guest of the highest status, and the head of the house also takes a prominent seat besides the guest of honor.
A.
正确
B.
错误
【简答题】按【Print Screen】键可以复制_______;复制活动窗口可以按_______+Print Screen组合键。
【单选题】Where should the guest of honor be seated?
A.
At the place where the dishes are served.
B.
Wherever he/she wants.
C.
To the left of the host.
D.
To the right of the host.
【简答题】按___键和Print Screen键可以将当前活动窗口的界面复制到剪贴板。
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