16. However, according to the Blood Centre, less than 20 per cent of the children were proved to be illegitimate as a result of the tests meaning that at least 80 per cent of the children's mothers were wrongly suspected of _________. A. iniquity B.
1. Cholera is __________ through contaminated water A. transferred B. transmitted C. transported D. transacted 2. The company has signed (a) ________ of understanding with a group of investors to sell its steel operations. A. memoirs B. memento C.
一、选择题 1. 散列文件使用散列函数将记录的关键字值计算转化为记录的存放地址，因为散列函数是一对一的关系，则选择好的（ ）方法是散列文件的关键。【哈尔滨工业大学 2001二、5 （2分）】 A. 散列函数 B. 除余法中的质数 C. 冲突处理 D. 散列函数和冲突处理 2. 顺序文件采用顺序结构实现文件的存储，对大型的顺序文件的少量修改，要求重新复制整个文件，代价很高，采用（ ）的方法可降低所需的代价。【北京邮电大学 2000 二、8 （20/8分）】 A. 附加文件 B. 按关键字大小排序
