问题 多项选择题

系统周期测量系统的负荷,当负荷均值在一个设定的时间内超越过载门限时,则认为系统负荷较重,使系统进入不稳定状态,此时需要启动负荷控制策略。减少负荷的策略包括()

A.减少分组业务的数据吞吐率

B.删除宏分集链路

C.强制切换到另一个载频或GSM/GPRS/EDGE系统

D.强制一些低优先级的用户掉话

答案

参考答案:A, B, C, D

选择题
阅读理解

When you go to St. Petersburg, the number of attractions can seem large. If you are short of time, or just want to make sure to hit the highlights, these are the top must-see sights in St.Petersburg.

●The Hermitage Museum

The Hermitage Museum is one of the most important sights to see for any visitor to St.Petersburg.There are lots of different paintings by the old masters in the Hermitage.Prepare to come face-to-face with classic Western artists.

●Kizhi Island

Kizhi Island is an open-air museum of wooden architecture from the Karelia Region of Russia.These impressive structures are made entirely without nails - the wood fits together with joints and grooves(沟槽).

●Peterhof

Peterhof is as beautiful as it is fun.You’ll be charged for admission, but go to Petethof when the fountains are working—during the day in the summer.They are shut off in winter evenings.

●The Church of Our Savior on the Spilt Blood

Love it or hate it, the Church of Our Savior on the Spilt Blood in St.Petersburg is an enthralling must-see sight.The beautiful look may make y our eyes brighten, and the painting inside the church will make you say “Wow!”

●The Bronze Horseman Statue

The so-called Bronze Horseman is a part of Russian culture and a symbol of St.Petersburg.Made famous by Alexander Pushkin, this statue of Peter the Great sitting on his horse can truly show Peter the Great’s influence on the Russian idea of greatness.

小题1:If you are interested in paintings, you’d better go to        

A.Peterhof and Kizhi Island

B.the Hernatage Museum and Peterhof

C.Kizhi Island and the Church of Our Savior on the Spilt Blood

D.the hermitage Museum and the Church of Our Savior on the Spilt Blood小题2:We can learn from the passage that           

A.visitors can visit Peterhof for free

B.the buildings of Kizhi Island are made of wood

C.the fountains in Peterhof can be seen all year round

D.the largest collection of Russian arts is in the Hermitage Museum小题3:The main purpose of the passage is to        

A.show the wonderful history of Russia

B.persuade artists to study St.Petersburg

C.recommend the famous buildings in Russia

D.introduce the must-see sights in St.Petersburg小题4:The underlined phrase (in Para 1) “hit the highlights” means        

A.to save more time

B.to learn more knowledge

C.to go to the high buildings

D.to visit the most interesting sights