D．To explain what kind of new words can make it into a dictionary.

　　B　[细节理解题。由文中第四段的"We had all the words around Brexit(脱欧) in the last update and we are now starting to see all the words around Trump coming into the dictionary，"可知，词典中也能看到很多关于英国脱欧和特朗普有关的词语，也就是说英国脱欧和特朗普这些当下的时政对语言有着一定的影响，故B选项正确。]

　　2．The underlined word "coin" in the sixth paragraph probably means ．

　　A．use　　　　 B．record

　　C．change D．create

　　D　[词义猜测题。根据全文可知，本文主要讲述的是人们在实践生活中创造出了许多新单词，并且最后一段运用了"But still，not all newly­invented words get the chance to make their way into a mainstream dictionary."说明，不是所有新单词都会进入主流词典。并且本句的前一句提到"social media was the main source for the new expressions."可知，社交媒体是新的表达方式的来源，由此可以推测此句应和新词的"发明"有关。故D选项正确。]

　　3．According to Stevenson，what kinds of new­invented words are more likely to be accepted by a mainstream dictionary?

　　A．Words that have unique meanings.

　　B．Words that reflect the changing world.

　　C．Words that are easy to remember.

　　D．Words that are meaningful，expressive and attractive.

　　D　[细节理解题。根据文中最后一段"suggests that you should not only make sure that they are expressive and meaningful，but also have an attractive sound so that people will enjoy saying them out loud."可知，具有表现力的意义丰富并且吸人眼球的新词汇才会被更多人运用。故D选项正确。]

4．What is the article mainly about?