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【单选题】
关于数据库访问中,以下说法正确的是( )
A.
JDBC无需驱动即可访问所有的数据库
B.
数据库的连接驱动由数据库开发厂商提供,在下载驱动的时候无需区 分版本和操作系统平台
C.
ODBC是一个数据库链接驱动,可以跨平台运行在任意系统上
D.
ExcuteUpdate函数会直接提交执行结果,如果要进行事务管理,必须设置connection.setAutoCommit为false
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参考答案：
举一反三
【单选题】Firms that use computers have found that the number of staff______ is neeced for quality control can be substantially reduced.
A.
whose
B.
as
C.
what
D.
that
查看完整题目与答案
【单选题】From this material we can ______ hundreds of what you may call direct products.
A.
derive
B.
discern
C.
diminish
D.
displace
查看完整题目与答案
【单选题】Firms that use computers have found that the number of staff _____ is needed for quality control can be greatly reduced.
A.
whose
B.
as
C.
what
D.
that
查看完整题目与答案
【单选题】He _____ to Beihai Park last Sunday. [     ]
A.
go
B.
goes
C.
went
查看完整题目与答案
【单选题】关于岩溶地区的路基设计，下列说法错误的是( )。
A.
设计时主要的考虑因素包括溶洞的位置、大小和稳定性，还包括路基附近的地面水和地下水
B.
常用的处理措施类型有疏导、填塞、跨越和加固等四种
C.
对于岩溶水的处理应本着能导则导，能堵则堵，因地制宜的原则
D.
加固主要用以防止基底溶洞的坍塌和岩溶水的渗漏
查看完整题目与答案
【简答题】根据下面的正方体图形，画出它平面展开的草图．
查看完整题目与答案
【单选题】化学已渗透人类生活的各个方面。下列说法不正确的是
A.
高纯度的硅单质广泛用于制作光导纤维，光导纤维遇强碱会“断路”
B.
“光化学烟雾”、“自氧空洞”的形成都与氮氧化合物有关
C.
低碳生活注重节能减排，尽量使用太阳能等代替化石燃料，减少温室气体的排放
D.
高铁酸钾（K 2 FeO 4 ）是新型高效多功能水处理剂，既能消毒杀菌又能净水
查看完整题目与答案
【单选题】听力原文：W: What a shame about your accident! What a way to end your holiday! M: Yes, it was bad luck. I suppose I should have been more careful. What are they talking about?
A.
A holiday.
B.
Luck.
C.
Work.
D.
An accident.
查看完整题目与答案
【单选题】From this material we can ______ hundreds of what you may call direct products.
A.
displace
B.
derive
C.
diminish
D.
discern
查看完整题目与答案
【简答题】听力原文：Conversation 1 F: Hello, this is First Direct, how can I help you? M: This is Ahmed Aziz speaking. Er, I'm interested in opening an account with you, but I have a couple of questions. F: What exa...
查看完整题目与答案
相关题目：
【单选题】Firms that use computers have found that the number of staff______ is neeced for quality control can be substantially reduced.
A.
whose
B.
as
C.
what
D.
that
查看完整题目与答案
【单选题】From this material we can ______ hundreds of what you may call direct products.
A.
derive
B.
discern
C.
diminish
D.
displace
查看完整题目与答案
【单选题】Firms that use computers have found that the number of staff _____ is needed for quality control can be greatly reduced.
A.
whose
B.
as
C.
what
D.
that
查看完整题目与答案
【单选题】He _____ to Beihai Park last Sunday. [     ]
A.
go
B.
goes
C.
went
查看完整题目与答案
【单选题】关于岩溶地区的路基设计，下列说法错误的是( )。
A.
设计时主要的考虑因素包括溶洞的位置、大小和稳定性，还包括路基附近的地面水和地下水
B.
常用的处理措施类型有疏导、填塞、跨越和加固等四种
C.
对于岩溶水的处理应本着能导则导，能堵则堵，因地制宜的原则
D.
加固主要用以防止基底溶洞的坍塌和岩溶水的渗漏
查看完整题目与答案
【简答题】根据下面的正方体图形，画出它平面展开的草图．
查看完整题目与答案
【单选题】化学已渗透人类生活的各个方面。下列说法不正确的是
A.
高纯度的硅单质广泛用于制作光导纤维，光导纤维遇强碱会“断路”
B.
“光化学烟雾”、“自氧空洞”的形成都与氮氧化合物有关
C.
低碳生活注重节能减排，尽量使用太阳能等代替化石燃料，减少温室气体的排放
D.
高铁酸钾（K 2 FeO 4 ）是新型高效多功能水处理剂，既能消毒杀菌又能净水
查看完整题目与答案
【单选题】听力原文：W: What a shame about your accident! What a way to end your holiday! M: Yes, it was bad luck. I suppose I should have been more careful. What are they talking about?
A.
A holiday.
B.
Luck.
C.
Work.
D.
An accident.
查看完整题目与答案
【单选题】From this material we can ______ hundreds of what you may call direct products.
A.
displace
B.
derive
C.
diminish
D.
discern
查看完整题目与答案
【简答题】听力原文：Conversation 1 F: Hello, this is First Direct, how can I help you? M: This is Ahmed Aziz speaking. Er, I'm interested in opening an account with you, but I have a couple of questions. F: What exa...
查看完整题目与答案
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