在客户机/服务器体系结构的数据库系统中，数据库功能分为前端部分和后端部分，下列功能中 发布时间：2017-06-18 10:21 │ 来源：www.tikuol.com 题型：单项选择题 问题： 在客户机/服务器体系结构的数据库系统中，数据库功能分为前端部分和后端部分，下列功能中属于后端部分的是______。A．数据输入B．报表输出C．用户界面D．存取结构
题型：单项选择题 完型填空。通读下面短文，掌握其大意，然后从四个选项中选出一个最佳答案。 The train I was travelling 1 was already half 2 hour late. I had planned to 3 in London at 7:00 4 to catch the 7:50 train to Liverpool, but there was no hope 5 that now. I explained (解释)the situation (情况) to the conductor 6 advised 7 to get off at the stop before London Station and 8 a taxi. When the time came, he even helped me 9 my luggage. He wished me good 10 as Ijumped off, and 11 minutes after I was racing towards London Station in a taxi. It was 12 7:50 when we stopped outside the station. I 13 the driver quickly and hurried inside. " The Liverpool train " was all I had time to 14 to the first porter I saw. You can imagine my disappointment when he pointed to a train that was just moving 15 of the station.( ) 1. A with ( ) 2. A a ( ) 3. A arrive ( ) 4. A so ( ) 5. A for ( ) 6. A when ( ) 7. A I ( ) 8. A put ( ) 9. A in ( )10. A luck ( )11. A few ( )12. A over ( )13. A spent ( )14. A say ( )15. A to B on B an B get B that B in B where B me B carry B to B luckilyB a few B more B paid B speak B through C at C the C get to C in orderC on C what C my C by C with C to come C little C then C cost C tell C out D of D / D go D but D to D who D mine D take D for D to go D a littleD about D took D talk D away 查看答案
题型：单项选择题 斯塔夫里阿诺斯在《全球通史》中写道：“除了文化上的成就外，宋朝时期值得注意的是，发生了一场名副其实的商业革命，对整个欧亚大陆有重大意义”。其中的“商业革命”表现在A．坊市制度被最终打破B．“胡风”、“胡俗”在城市流行C．最早的银行雏形出现D．政府设有专职官员管理市场 查看答案
题型：单项选择题 用32K×4位的RAM芯片构成256K×32位存储器芯片M，至少需要 (20) 个RAM芯片。若用构成的芯片M来存储16MB的内容，则至少需要 (21) 个这样的芯片M。A．16B．64C．2D．128 查看答案
题型：单项选择题 低温货是指货物在还未冻结或货物表面有一层薄薄的冻结层的状态下进行运输的货物，一般允许的温度范围为（）之间。A.1℃～-14℃B.1℃～-15℃C.1℃～-16℃D.1℃～-17℃ 查看答案