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【简答题】对book表,按要求写出SQL查询语句: 1、在book表添加“作者”字段(文本型,字段大小为10)的SQL语句; 2、查询印刷册数大于5000册,且库存量小于80的图书名称和出版社信息的SQL语句;
【单选题】People try to avoid public transportation delays by using their own cars, and this _____ further problems.
A.
in short
B.
in case
C.
in doubt
D.
in turn
【简答题】年, 以“二十八画生”为笔名,在《 》上发表了《 》。
【简答题】阅读以下程序段,选出错误的说法: public class A { public float pro1=6.0f; public void Func1 () { } public void Func2 () { } } public class B : A { public int pro2=6; void Func3 () { } }A. 类A具有一个属性和两个方法 B. 类B只具有一个属性和一...
【单选题】Please find the exact definition for 'caravan'.
A.
a public sale in which property or items of merchandise are sold to the highest bidder
B.
a company of travelers journeying together
C.
a strong wish or need
D.
part of something you say or write in which you mention a person or thing
【简答题】A．Public Buses are fast and cheap transportation tools. B．Parking is becoming a big problem. C．Subway trains are even safer than taxies. D．Taxies are more convenient than buses.
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