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【判断题】
如为滑动门、应急门门体玻璃破裂或破碎时,车站完成应急处理后列车应继续保持进出站限速25km/h。A.
正确
B.
错误
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【简答题】完形填空。 I've never been late for school, but yesterday I came very close. My alarm clock didn't 1 , and by the time I woke up, my father had already 2 the bathroom and I had to wait for him 3 . I had to...
【简答题】当a=1,b=2,c=3时,执行if(a>c) b=a; a=c; c=b; 语句后a,b,c的值分别为a= ; b= ; c= ;
【简答题】account adopt annual deposit devise fund furthermore intend pace permission perspective protes...
【单选题】在 Xs 表有姓名、语文、数学、英语等字段,能查询“王悦”各科成绩的语句是 ( )
A.
Select * From Xs While Alltrim (姓名) = =” 王悦 ”
B.
Select * From Xs Where Alltrim (姓名) = =” 王悦 ”
C.
Select 各科成绩 From Xs Where Alltrim (姓名) = =” 王悦 ”
D.
Select 各科成绩 From Xs
【单选题】当a=1,b=2,c=3时,以下if语句执行后,a,b,c的值分别为()。 if(a>c) b=a; a=c; c=b;
A.
3 2 2
B.
3 3 3
C.
2 2 2
D.
1 1 1
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