对于下面的JSON对象删除属性site3，正确的方法是（多选）：myObj= { name:runoob, alexa:10000, sites: { site1:m.runoob.com, site2:m.runoob.com, site3:c.runoob.com }}A.del myObj.sites[‘site3’]B.delete myObj.sites[‘site3’]C.del myObj.sites.site3D.delete myObj.sites.site3 A: A B: B C: C D: D

在教育网内搜索cnkikw，正确的查询语句是（ ） A: cnkikw site:edu.cn B: cnkikw site:http://edu.cn C: cnkikw sites:edu.cn D: cnkikw insite:edu.cn

The site selection committee will be making a final tour of all sites this afternoon making their final decision this evening. A: on B: in C: along D: before

What are the two criteria for World Heritage Sites List by UNESCO? ____ A: financial and technical aid B: well known and protected C: the site’s value and the state of preservation

Nefazodone is prone to be oxidized and metabolized to produce toxic metabolites. Which of the following strategies are used by scientists to optimize its structure and reduce liver toxicity A: F atom closes metabolic sites B: Benzene ring replaced with pyrimidine ring C: Increase metabolic site steric hindrance D: Introduce metabolizing sites to change metabolic pathways

The amazing Bone Flute was excavated in (). A: the Sites of Liangzhu Culture B: the Sites of Peiligang Culture C: the Sites of Majiayao Culture D: the Sites of Cishan Culture

Which are the top 3 social network sites now in the world? A: Facebook B: Whatsapp C: Youtube D: Twitter

Booking sites

以下有关Site Link正确的是（） A: A是人为设置的 B: B在AD Sites and Services中建立 C: C在AD Users and Computers中建立 D: D不是一条线，而是一个区域

使用site命令语法有两种格式，分别是（ ） A: site:网址 关键词 B: 关键词 site:网址 C: 网址 site:关键词 D: site：关键词 网址