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【单选题】
以下哪句是“欢迎,您好”?
A.
ِمَعَ السَّلاَمَة
B.
ِإِلَى اللِّقَاء
C.
ًأَهْلاً وَسَهْلا
D.
مَنْ أَنْتَ؟
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举一反三
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A.
图形的尺寸
B.
实物的尺寸
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两者都可
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无
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A.
log on
B.
log off
C.
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D.
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A.
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c
D.
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