以下对于问卷设计的表述，正确的是（）。 ["同性质的问题要尽量分开排版","所有问题的措辞要尽量客观","被访者的个人资料如教育程度、经济状况等应放在问卷的开头","问卷的排列要由浅而深"]
Every page of your web site must include a common set of navigation menus at the top of the page. Thismenu is static HTML and changes frequently，so you have decided to use JSP’s static import mechanism. Which JSP code snippet accomplishes this goal？（） ["<%@ import file=’\/common\/menu.html’ %>","<%@ page import=’\/common\/menu.html’ %>","<%@ import page=’\/common\/menu.html’ %>","<%@ include file=’\/common\/menu.html’ %>","<%@ page include=’\/common\/menu.html’ %>"]
某大型流水生产线月生产能力为100000个单位，营运成本每日为50000元，剩余寿命为5年，折现率为10%，比较对象全新生产线月生产能力为100000个单位，每日营运成本40000元，全年制度工作日为360天，试估算该流水线营运性功能贬值。
Refer to the exhibit. On the basis of the output of the show spanning-tree inconsistentports command， which statement about interfaces FastEthernet 0/1 and FastEthernet 0/2 is true？（） ["They have been configured with the spanning-tree bpdufilter disable command.","They have been configured with the spanning-tree bpdufilter enable command.","They have been configured with the spanning-tree bpduguard disable command.","They have been configured with the spanning-tree bpduguard enable command.","They have been configured with the spanning-tree guard loop command.","They have been configured with the spanning-tree guard root command."]
国家科技部下属的“中国科学技术信息研究所”，每年以国外四大检索工具SCI、EI、ISR、ISTP为（）。 ["1978年","1987年","1988年","1989年"]
创先争优活动的主要内容是什么？
