计算机的数据传送有两种方式,即() 和()串行数据传送方式,其中具有成本低特点的是 ()方式。
B. Replace the boldfaced words in the following sentences with appropriate specific verbs in the chart above to make the description more precise and vivid.1) It has been her long-cherished dream to walk with her lover on the beach of the Maldives at sunset. ___________2) Groping in the darkness, the injured explorers walked out of the cave, tired out. ____________3) Instead of being butchered, cows are allowed to walk in the streets in Indian cities. ____________4) Tens of thousands of US school children walked out of classes, calling for “books not bombs”. ____________5) Last night a burglar walked into their dormitory and stole three laptops, 4 smartphones along with a digital camera. ____________6) The audience enthusiastic to see the superstar had to control their passion and walk to the stadium at a snail’s pace due to the considerable number of them. ____________7) She chuckled, and her feet made a dull sound as they walked along the hardwood floor. ____________8) Two-year-old Tommy is walking to his favorite domain — the sandpit in the garden. ____________
随机试验E为: 统计某路段一个月中的重大交通事故的次数,A表示事件”无重大交通事故”,B事件表示至少有一次重大交通事故,C事件表示重大交通事故的次数大于1,D事件表示发生重大交通事故的次数小于 2,则相容的事件是 ()
A 与 C
B. C与D
C. A与B
D. B与D
物业服务收费实行包干制的,物业服务费的构成包括物业服务成本、法定税费和( )。(2013, 8)
A. 管理费
B. 物业服务企业的酬金
C. 物业服务企业的利润
D. 社会保险费用