settings． 4．________ Even when dealing with colleagues or friends you are familiar with, do not immediately fall back on informal language．

　　Keep it simple． People may get dozens and even hundreds of e­mails a day． 5．________ In that way, they can save much of their time when reading e­mails．

　　A．Use proper greetings．

　　B．Express your ideas clearly．

　　C．State your purpose at the beginning．

　　D．Be as specific as possible when writing the subject．

　　E．However, an e­mail may not be the best place to use such language．

　　F．It is important to check the language to avoid spelling and grammar mistakes．

　　G．It is always easier for them if you keep your e­mail as short and brief as possible．

　　1．解析：选D　本选项承接上一句来说明写主题的时候要具体，以便收件人能够立即知道邮件的主题，下一句也顺着本选项展开，说明措辞也要简练，故选D。

　　2．解析：选A　本段主要讲不同情况和场合下应该使用适当的称呼，故选A。

　　3．解析：选C　根据下一句可知，本段主要讲在邮件一开始就点明你写邮件的意图，选项中的"at the beginning"与下一句中的"Within the first two sentences"相对应，故选C。

　　4．解析：选E　本选项与上一句构成语意上的转折关系，以此来说明写电子邮件时不要使用非正式的语言，同时与下句也构成了并列关系，故选E。

　　5．解析：选G　本选项中的them指代上一句中的people，与前后句共同来说明为什么要使邮件简洁、明了，故选G。

　　Ⅲ．完形填空

　　"Don't talk to strangers ．．．" That is probably one of the __1__ pieces of advice handed down from our parents． Yeah, they __2__ well． Since there are bad people out there, it seems to be a good idea in order to help __3__ us． And over the years we've learned how to keep our eyes __4__． We are used to making no eye contact with strangers．

　　__5__， the price that we pay for this __6__ is that we grow up suspicious (表示怀疑的) of others and their motives． We tend to have a(n) __7__ of strangers, which is neither necessary nor __8__ as we grow older．

　　Most people out there are not sociopaths (反社会者)． __9__， most people are quite __10__． What once protected us from bad people is now preventing us from establishing relationships with __11__ people!

　　In general, you know that the random stranger standing next to you is very __12__ to kidnap (绑架) you, yet the emotion of fear is __13__ associated with talking to them． So you __14__ do it． But you miss out on a lot by closing yourself off to new people like this．

　　Instead, you should actively __15__ that people in general are friendly． Why? Because they are． Most people actually are nice． We are __16__ creatures, and we welcome interactions with others． Think about it: when a stranger starts a(n) __17__ with you, how do you usually __18__？

　　Besides, you never know who you might __19__． The person standing behind you in a line could one day be your best friend． It __20__． But even if it's not that extreme, you never know if that person has a job opportunity for you, or is just a cool person who you would enjoy having a brief conversation with．

　　1．A．shortest　　　　　　B．worst

C．longest D．best