在我国国家机构中居于最高地位的是[ ] A．中 * * 政治局 B．全国人民代表大会

— How long_____like this?  

— Three weeks! It's usual in here that rain_____without stopping these days of the year.  [ ]

A. has it rained; pours      

B. is it raining; is pouring  

C. has it been raining; pours  

D. does it rain; pours

(66) is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string. (67) is a protocol that most USENET machines how use it to allow news articles to propagate from one machine to another over a reliable connection. (68) is an approach preferred by cable TV providers. In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable. (69) is a device used to connect two separate network that use different communication protocol. (70) js a digital-to-digital polar encoding method in which the signal level is always either positive or negative.

A．ADSL

B．FTTC

C．HFC

D．FTTH

控制性详细规划是以( )为手段的。

A．数据控制和图纸控制
B．规划设计与管理相结合的法规
C．总体规划
D．规划的综合性研究

旅游者要住高于合同规定标准的房间，如有，可予以满足但旅游者要交付原定饭店——和______。

永元四年(公元92年)，汉和帝用宦官( )掌握的一部分禁军，消灭了窦氏势力。郑众从此参预政事，并受封为侯，这是宦官用权和封侯的开始。

A．孙程
B．单超
C．侯览
D．郑众