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【单选题】
反斜杠字符(\)是一个特殊字符,在字符串中表示转义,即该字符与后面相邻的一个字符共同组成了新的含义。下面说法中错误的是( )A.
\n表示换行符,将光标置于下一行的行首
B.
\r表示回车符,将光标置于本行的行首
C.
\0表示NULL,什么都不做
D.
\b表示回退,向前退一格
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【判断题】孙 ( sūn ) 老 ( lǎo ) 师 ( shī ) 和 ( hé ) 学 ( xué ) 生 ( shēng ) 的 ( de ) 关 ( guān ) 系 ( xì ) 很 ( hěn ) 好 ( hǎo ) 。
A.
正确
B.
错误
【判断题】孙 ( sūn ) 老 ( lǎo ) 师 ( shī ) 不 ( bù ) 喜 ( xǐ ) 欢 ( huan ) 晴 ( qíng ) 天 ( tiān ) 。
A.
正确
B.
错误
【简答题】如果图层被锁住,下列说法正确的是
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