I／O与主机交换信息的方式中，DMA方式的特点是________。
A. CPU与设备串行工作，传送与主程序串行工作
B. CPU与设备并行工作，传送与主程序串行工作
CPU与设备并行工作，传送与主程序并行工作
查看答案
该年我国乡镇企业职工占全国劳动力总数的比重比占农村劳动力总数的比重低多少？()
A. 23.8%
B. 17.6%
C. 6.2%
D. 6.8%
招标人与中标人不按照招标文件和中标人的投标文件订立合同的,或者招标人、中标人订立背离合同实质性内容的协议的,责令改正;可以处中标项目金额()的罚款。
A. 一万元以上五万元以下
B. 百分之五以上百分之十以下
C. 千万之五以上千分之十以下
D. 万分之五以上万分之十以下
According to the passage, how does a word finally get into the Merriam -Webster's Dictionary？
A. By its repeated use in the popular press.
By its repeated use in the Internet publications.
C. By the opinions of the lexicographers.
D. By people's votes.
Why did John Morse choose "Internet" as the word that defines the close of the 20th century？
A. The word has the highest frequency count in newspapers, magazines and the Internet publications.
B. It was highly recommended by the editing group of the Merriam-Webster's Dictionaries.
C. It had an impact on society and quick merge to the language and people that no other words can match.
D. It served as a root for creating more new" words.
微信支付 
支付宝支付