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【简答题】
( )是由地球引力作用而发生的颗粒沉降过程,是常用的气固、液固和液液分离手段,在生物分离过程中有一定程度的应用。
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举一反三
【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】以下哪些情况不宜游泳( )
A.
心脏病
B.
饱食
C.
酗酒后
D.
以上都对
【单选题】在OSI参考模型中,工作在网络层的设备是( )
A.
普通交换机
B.
网卡
C.
路由器
D.
集线器
【单选题】Which one is the largest group in all of the divisions of the scouts?
A.
Boy Scouting
B.
Cub Scouting
C.
Venturing
D.
Webelos Scouts
【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。
A.
正确
B.
错误
【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.
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