【简答题】A.After they receive 's degree. B.After they graduate from middle schools. C.After they receive bachelor's degrees. D.After general survey courses are completed.
【单选题】在OSI参考模型中,工作在网络层的设备是( )
【简答题】原子化系统分为火焰原子化器和无火焰原子化器两类。火焰原子化器由()、()和()组成。无火焰原子化器也称为(),其原子化程序分为()、()、()、()4个阶段。
【单选题】听力原文:M: What are you going to do after you graduate from college? W: I' m not sure. I may be a teacher. But I want to do more than just teaching, maybe practice law. How about you? M: I don't have any...
A.
He will become a teacher.
B.
He will become a lawyer.
C.
He will try a lot of jobs.
D.
He has not decided yet.
【单选题】查询“图书”表中所有书名以“计算”开头的图书信息,正确的语句是【 】。
A.
SELECT * FROM 图书 WHERE 书名 LIKE "计算?"
B.
SELECT * FROM 图书 WHERE 书名 IN "计算*"
C.
SELECT * FROM 图书 WHERE 书名 = "计算?"
D.
SELECT * FROM 图书 WHERE 书名 LIKE "计算*"
【判断题】( ) 虽然电控柴油机燃油系统的多样性 , 但不同型号的发动机使用同型号的ECM。
【单选题】查询“图书”表中书名含有“计算机”的图书信息,正确的选项是______。
A.
select * from book where bname like ‘_计算机_’
B.
select * from book where bname like ‘_计算机%’
C.
select * from book where bname like ‘%计算机_’
D.
select * from book where bname like ‘%计算机%’
【简答题】在“图书”表中查询“清华大学出版社”出版的图书的图书名和价格。
【简答题】I would like to find a job in a(n)__ ____ company after I graduate.