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【单选题】
在CSS的文本属性中，文本修饰的取值【下划线】表示( )。A.
不用修饰
B.
文本加下划线
C.
文本加上划线
D.
横线从字中间穿过
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】In emergency, the SART should be activated and installed as high as possible
A.
after being taken out from the container
B.
in its container ,
C.
before being get out from the container
D.
after being put into water
【单选题】You _____ park here! It's an emergency exit. [ ]
A.
wouldn't
B.
needn't
C.
couldn't
D.
mustn't
【简答题】给出下列四个命题：①在空间，若四点不共面，则每三个点一定不共线；②已知命题 ，“非 为假命题”是“ 或 是真命题”的必要不充分条件；③若 ，那么 ；④若奇函数 对于定义域内任意 都有 ，则 为周期函数。其中错误命题的序号为____________.
【单选题】Why were the emergency services NOT able to manage the situation?
A.
There weren't enough people.
B.
The fire was too enormous.
C.
The planes didn't carry enough water-bombs.
D.
There was no help from other countries.
【简答题】下列命题： 其中正确命题的序号有_____________
【简答题】有下列四个命题: ①命题“若 ，则 互为倒数”的逆命题 ②命题“面积相等的三角形全等”的否命题 ③命题“ ，则方程 ”有实根的逆否命题 ④命题“若 ，则 ” 的逆否命题 其中是真命题的是 (填上你认为正确的命题的序号)
【单选题】—Do you know emergency ( 紧急 ) telephone numbers? —Yes. For example, ____ fire, we can call 119.
A.
because of
B.
because
C.
in case of
D.
if
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