资料：Tencent Holdings Ltd has announced that it will fully open up its big data platform and machine learning technology in a move to build a "sharing economy" based on cloud services. Enterprises will be able to use a set of big data analysis tools developed by Tencent, helping them gain a better understanding of their clients and improve their products.
The Shenzhen-based internet giant, which owns instant messaging tools QQ and WeChat, has years of experiences storing and analyzing huge amounts of data. The opening of its core technologies is part of Tencent's efforts to develop cloud services, an area which many other big companies including Alibaba and Baidu are also tapping into.
"Development of a sharing economy is closely related to cloud services" said Ma Huateng, chairman of Tencent." Like transportation, accommodation and many other areas. cloud services are also a kind of sharing economy. "He said cloud computing has become one of the key areas Tencent focuses on and the company is dedicated to opening its IT resources and technological capabilities to outsiders." In the past, enterprises were only users of internet technology. Now, as they engage themselves in the cloud, they are becoming a part of the internet ecosystem," Ma said at the 2016 Tencent Cloud Summit held in Shenzhen this week.
Cloud technology has achieved greater importance in recent years as more and more Chinese enterprises integrate themselves deeper with the internet. However, it remains difficult for companies, especially smaller ones, to build their own data center because it involves large capital investment and a waste of resources, said Dowson Tong. senior executive vice-president of Tencent. Cloud services help enterprises get access to more resources while reducing their operating costs, Tong said.
According to the 2016 Internet Trends report, services provided by Tencent are the most commonly used by Chinese internet users. More than 50 percent of their time on the internet is spent on Tencent services." We are not offering cloud services as a separate business. Instead, it is a part of Tencent's entire strategy. Enterprises will be able to get access to all Tencent platforms by using its cloud services," Ma said.
The phrase "tap into" in paragraph 2 is in closest meaning to:
本题考查的是细节理解及推理判断。
【关键词】tap into; closest meaning
【主题句】第2自然段The opening of its core technologies is part of Tencent's efforts to develop cloud services, an area which many other big companies including Alibaba and Baidu are also tapping into. 其核心技术的开放，是腾讯开发云服务的努力的一部分。云服务是阿里巴巴和百度等许多大公司也在挖掘的领域。
【解析】本题的问题是“与第二自然段的短语‘tap into’意思最相近的是哪一项？”。根据主题句可判断，tap into意思是挖掘。A选项义为“挖掘”；B 选项义为“专门研究”；C选项义为“闯入”；D 选项义为“使用，利用”，故选A。
下列关于公司的表述，正确的是（）
以下各项列举了我国常见气象灾害与其发生地区的对应关系，其中正确的一项是（）
根据电视收视率调査，看体育节目的观众中青年人比中老年人要多。
由此可推断出（）
—种海洋蜗牛产生的毒素含有多种蛋白，把其中的一种给老鼠注射后，会使有两星期大或更小的老鼠陷入睡眠状态，而使大一点的老鼠躲藏起来。当老鼠受到突然的严重威胁时，非常小的那些老鼠的反应是呆住，而较大的那些老鼠会逃跑。
以上陈述的事实最有力地支持了以下哪项假说？（）
疾病控制中心对某校髙中三个年级的学生进行抽样做视力状况调查，抽样的方法为分层抽样（按比例抽样），若高中一、二、三年级学生人数分别为626、703、780，样本容量为84，则应从离二年级抽样的学生人数为多少？（）
