Which of the following are usually covered in a Discussions section?
A. Reiterating the research problem and stating the major findings.
B. Relating your findings to the results of similar studies conducted in the past.
C. Introducing results that are not mentioned in the Results section.
D. Providing suggestions for further research in the field.
查看答案
Which of the following is(are) the sentence pattern(s)to state the limitations?
A. This study was unable to analyze these variables.
B. The current findings add to a growing body of literature on...
C. However, this study was not designed to evaluate factores related to...
D. The association of these factors should be investigated in future studies.
判断圆球的表面上的点的可见性，要考虑前后、左右、上下三个方向。
A. 对
B. 错
端口扫描是一种( ) 型网络攻击。
A. DoS
B. 利用
C. 信息收集
D. 虚假信息
_( )___是通过偷窃或分析手段来达到计算机信息攻击目的的,它不会导致对系统中所含信息的任何改动,而且系统的操作和状态也不被改变。
A. 主动威胁
B. 被动威胁
C. 黑客攻击
D. 蠕虫病毒
微信支付 
支付宝支付