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【单选题】
光纤传感器的接线,棕色线接()A.
输出端
B.
输入端
C.
24
D.
0
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举一反三
【单选题】The story implies that the author's mother was______.
A.
critical
B.
fault-finding
C.
optimistic
D.
pessimistic
【单选题】The author's mother prepared the following food EXCEPT:
A.
roasted chickens
B.
brown bread
C.
mayonnaise
D.
rock-cakes
【单选题】Why did the author's mother beat him?
A.
Because she saw him playing with the lead cowboy.
B.
Because his brother informed his mother of his stealing.
C.
Because he had been chasing his neighbor's cats.
D.
Because he left the house without having told his mother.
【单选题】删除学生表中专业zno为空的学生记录,正确的命令是
A.
delete * from student where zno is null
B.
delete from student where zno=null
C.
delete from student where zno is null
D.
delete from student where zno is 'null'
【单选题】Which of the following statements is TRUE?
A.
The author's mother died when he was only ten years old.
B.
The author's father died when he was six years old.
C.
The author and his family moved to Indiana in his eighth year.
D.
His grandfather was killed by Indians in a battl
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