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【单选题】
用"写字板"、"记事本"和“word”编辑文字时,如果要使用键盘删除文字,将删除光标所在位置以前的那一个字符,应该按的键是______。A.
[Alt]
B.
[Ctrl]
C.
[Delete] --- 按该键将删除光标所在位置的后一个字符
D.
[BackSpace] --- 按该键将删除光标所在位置的前一个字符
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】Father asked Bob__________.
A.
which one did he like best
B.
which one he liked best
C.
which one he likes best
D.
which one does he like best
【单选题】The bull blacksnake followed the boy and his father and would have fought to his death. The father asked the boy to throw it away because _______.
A.
he was afraid
B.
he thought about the safety of Bob
C.
he could not understand the snake
D.
he did not want to kill the snake this time
【单选题】In Unit 1 Love , the father asked the boy to throw the bull snake away because .
A.
He was sick
B.
He thought about the safety of Bob
C.
He wanted to kill the snake
D.
He did not want to kill the snake
【简答题】建筑构件的燃烧性能是指( )
【多选题】建筑构件的燃烧性能，主要是指组成建筑构件材料的燃烧性能，我国把建筑构件按其燃烧性能进行分类为有（ ）。
A.
不燃性
B.
难燃性
C.
可燃性
D.
易燃性
E.
易爆性
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