目前,在我国桥梁及大跨度结构房屋及工业厂房中已广泛采用的钢结构连接方法是()。
A.焊缝连接
B.铆钉连接
C.螺栓连接
D.机械连接
参考答案:C
在城市生态规划的过程中,分对土壤、气候是否适合城市生态建设,以及建成之后是不是有利于生态环境的改造分析是()。
A、因子综合评价
B、生态图分析
C、指标体系分析
D、适用性分析
Future Computer Trends: The components of a PC will be built into the (6) and large plasma or electroluminescent flat panel display hanging on a partition wall will act as both a (7) and videophone display. A high resolution, touch sensitive LCD (8) into desktop will allow pan-based pointing and data input. In the home, meanwhile, computers will become as ubiquitous as TVs. Computer interfaces will be far friendlier than (9) graphical user interfaces (GUI) of today. Computers will use "human interfaces" based on multimedia. RISC microprocessors will finally obliterate the ever thinning gap between workstations and PCs. Similar advances in nonvolatile flash memory will lead to the replacement of magnetic (10) disks with electronic "silicon disks".
A.desk
B.monitor
C.built
D.hard