当用户均匀分布时,若距离测度为矩形线时,最佳服务区域为()
A、圆形
B、正方形
C、长方形
D、不规则形
参考答案:B
小题1:乡村的生活十分无聊,我不久就感到厌烦了。
The life in the country was so boring that I soon got _________ _________ _________ it
小题2:如果只是把佛罗里达看作是旅游胜地,那你就错了。
It's a mistake to think of Florida only_________ _________ _________its tourist attractions.
小题3:在地震中受损的房子需要修理。
Some buildings damaged in the earthquake are still _______ _________ _________ repair.
小题4:在政府的帮组下,农民们开始着手改变这个局面。
With the help of the government, the peasants ________ _______ _______ the situation.
小题5:我们队在比赛中输了的消息令我们很沮丧。
We ________ ________ ________ by the news that our team was defeated in the game.
一般情况下,由系统分类按月自动编制凭证编号,即每类凭证每月都从( )号开始。
A.1
B.01
C.001
D.0001