在绩效考核中，考核者不顾被考核者的实际表现，附和大多数人的意见，这种心态是（） ["印象性偏差","对照效应偏差","从众效应偏差","情感偏差"]
带宽是对通信信道（）的度量。 ["长度","宽度","速度","容量"]
You have a single Active Directory directory service domain. You back up your domain controllers on a nightly basis. You perform Group Policy backups on a nightly basis. A Group Policy object （GPO） is accidentally deleted. You need to restore the GPO. What should you do？（） [" Perform a nonauthoritative restore of the Active Directory database."," Perform an authoritative restore of the Active Directory database."," Select the Import Policy option in the Group Policy Object Editor."," Restore the GPO by using the Group Policy Management Console."]
移动图层中的图像时，如果每次需要移动10个像素的距离，应按下列哪组功能键？（） ["按住【Alt】键的同时按键盘上的箭头键","按住【Tab】键同时按键盘上的箭头键","按住【Ctrl】键同时按键盘上的箭头键","按住【Shift】键同时按键盘上的箭头键"]
田间检验时，若杂株率最低标准为1，则至少应检查多少株？（） ["100株","200株","300株","400株"]
简述系统设计阶段的主要任务。
