the base of the expansion trunk
the base of the ullage port
a line scribed within the ullage port
an above-deck datum,usually the top of the ullage hole
第1题:
在成绩表中要求按“物理”降序排列,并查询前两名的学生姓名,正确的语句是( )。
A.SELECT 姓名 TOP 2 FROM 成绩表 WHERE 物理 DESC
B.SELECT 姓名 TOP 2 FROM 成绩表 FOR 物理 DESC
C.SELECT 姓名 TOP 2 FROM 成绩表 GROUP BY 物理 DESC
D.SELECT 姓名 TOP 2 FROM 成绩表 ORDER BY 物理 DESC
第2题:
The tanks should then be ______ immediately after the measurements or cargo samples have been taken.
A.topped up
B.braced
C.tommed down
D.re-pressurized
第3题:
A. clear
B. much clearer
C. more clearer
D. the clearest
第4题:
现有书目表book,包含字段:price(float);现在查询一条书价最高的书目的详细信息,以下语句正确的是()
第5题:
Definition of Length:()
第6题:
When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery,check it ______.
A.one meter from the tank bottom and one meter below the tank top
B.one half the ullage of the tank and one meter below the tank top
C.one half the ullage of the tank and one meter above the tank bottom
D.at three meter intervals from the tank top to the bottom
第7题:
下列查询年龄最大的前四个学生(包括并列的情况)的语句,正确的是()。
第8题:
在成绩表中要求按“总分”降序排列,并查询前3名学生的记录,正确的命令是
A.SELECT * TOP 3 FROM成绩表; WHERE总分DESC
B.SELECT * TOP 3 FROM成绩表; FOR总分DESC
C.SELECT * TOP 3 FROM成绩表; GROUP BY总分DESC
D.SELECT * TOP 3FROM成绩表; ORDER BY总分DESC
第9题:
查询金额最大的那10%订单的信息。正确的SQL语句是()。
第10题:
one meter from the tank bottom and one meter below the tank top
one half the ullage of the tank and one meter below the tank top
one half the ullage of the tank and one meter above the tank bottom
at three meter intervals from the tank top to the bottom