[解析]
(1)A.段落大意题。根据第一段At the present time,the Internet is a major part of our lives.It's always in our hands or pockets.Whatever we are doing is somehow linked(连接) to the Internet.We start finding our conections online as well,which is quite impressive.We find a person on a social media platform (社交媒体平台),see we have a shared interest and start chatting!(现在,互联网是我们生活的重要组成部分。它总是在我们的手里或者口袋里。不管我们在做什么,都和互联网有关。我们也开始在网上寻找联系,这很令人印象深刻。我们在社交媒体平台上找到一个人,看到我们有共同的兴趣,然后开始聊天! )可知,本段主要介绍了互联网是如何改变我们的日常生活的。故选A。
(2)C.词句猜测题。根据上文Online friendships in the past were doubted (过去的网上友谊受到了质疑。)以及下文because you didn't know who was behind the screen.(因为你不知道屏幕后是谁。)可推知,划线词此处的意思是"可靠的"。A.Easy简单的;B.Possible可能的;C.Dependable可靠的;D.Lasting持续的。故选C。
(3)B.推理判断题。文章第二段Online friendships in the past were doubted and not considered reliable because you didn't know who was behind the screen.But now,when we can go shopping online,clear bills in online banks,and virtually attend schools,why can't we find some real friends online?(过去的网络友谊受到怀疑,不被认为是可靠的,因为你不知道谁在幕后。但现在,当我们可以在网上购物、在网上银行结清账单、虚拟上学时,我们为什么不能在网上找到一些真正的朋友呢?)可知是现在和过去的对比论证。A.By telling stories通过讲故事;B.By making comparisons通过比较;C.By explaining general rules解释一般规则;D.By providing research results提供研究成果。故选B。
(4)D.观点态度题。根据最后一段Despite all these problems,online company is a perfect form of relationship between two or more.After all,we would notice these problems in any other kind of relationship or friendship. (尽管存在所有这些问题,但网络公司是两个或更多人之间关系的完美形式。毕竟,在任何其他类型的关系或友谊中,我们都会注意到这些问题。即使在面对面交流中,沟通失误或信任问题也总是存在。)可知,作者对网络友谊持肯定态度。A.Doubtful值得怀疑的;B.Neutral中立的;C.Unclear不清楚的;D.Supportive支持的。故选D。