When do we Use Capital Letters?

 　　1. Use a capital letter for the personal pronoun 'I':

　　What can I say?

　　2. Use a capital letter to begin a sentence or to begin speech:

　　The man arrived. He sat down.

　　Suddenly Mary asked, "Do you love me?"

　　3. Use capital letters for many abbreviations and acronyms¹:

　　G.M.T. or GMT (Greenwich Mean Time)

　　N.A.T.O. or NATO or Nato (North Atlantic Treaty Organization)

　　4. Use a capital letter for days of the week, months of the year, holidays:

　　Monday, Tuesday

　　January, February

　　Christmas

　　Armistice² Day

　　5. Use a capital letter for countries, languages & nationalities, religions:

　　China, France

　　Japanese, English

　　Christianity, Buddhism³

　　6. Use a capital letter for people's names and titles:

　　Anthony, Ram⁴, William Shakespeare

　　Professor Jones, Dr Smith

　　Captain Kirk, King Henry VIII

　　7. Use a capital letter for trade-marks and names of companies and other organizations:

　　Pepsi Cola, Walkman

　　Microsoft Corporation, Toyota

　　the United Nations, the Red Cross

　　8. Use a capital letter for places and monuments:

　　London, Paris, the Latin Quarter

　　the Eiffel Tower, St Paul's Cathedral

　　Buckingham Palace, the White House

　　Oxford⁵ Street, Fifth Avenue

　　Jupiter, Mars, Syrius

　　Asia, the Middle East, the North Pole

　　9. Use a capital letter for names of vehicles like ships, trains and spacecraft:

　　the Titanic⁶

　　the Orient Express, the Flying Scotsman

　　Challenger 2, the Enterprise

　　10. Use a capital letter for titles of books, poems, songs, plays, films etc:

　　War And Peace

　　If, Futility⁷

　　Like a Virgin⁸

　　The Taming of the Shrew

　　The Lion King, Gone With The Wind

　　11. Use capitals letters (sometimes!) for headings, titles of articles, books etc, and newspaper headlines:

　　HOW TO WIN AT POKER⁹

　　Chapter 2: CLINTON'S EARLY LIFE

　　LIFE FOUND ON MARS!

　　MAN BITES DOG

1 acronyms   

n.首字母缩略词( acronym的名词复数 )

参考例句：

• Scratch the subject of defence and acronyms, abbreviations, and buzzwords fly out. 话题触及国防，缩合字，缩写字和行话就满天飞。 来自《简明英汉词典》
• Some acronyms as scientific terminology are used as a lexical item. 一些科学术语缩写用作词汇项目。 来自互联网

2 armistice   

n.休战，停战协定

参考例句：

• The two nations signed an armistice.两国签署了停火协议。
• The Italian armistice is nothing but a clumsy trap.意大利的停战不过是一个笨拙的陷阱。

3 Buddhism   

n.佛教（教义）

参考例句：

• Buddhism was introduced into China about 67 AD.佛教是在公元67年左右传入中国的。
• Many people willingly converted to Buddhism.很多人情愿皈依佛教。

4 ram   

(random access memory)随机存取存储器

参考例句：

• 512k RAM is recommended and 640k RAM is preferred.推荐配置为512K内存，640K内存则更佳。

5 Oxford   

n.牛津（英国城市）

参考例句：

• At present he has become a Professor of Chemistry at Oxford.他现在已是牛津大学的化学教授了。
• This is where the road to Oxford joins the road to London.这是去牛津的路与去伦敦的路的汇合处。

6 titanic   

adj.巨人的，庞大的，强大的

参考例句：

• We have been making titanic effort to achieve our purpose.我们一直在作极大的努力，以达到我们的目的。
• The island was created by titanic powers and they are still at work today.台湾岛是由一个至今仍然在运作的巨大力量塑造出来的。

7 futility   

n.无用

参考例句：

• She could see the utter futility of trying to protest. 她明白抗议是完全无用的。
• The sheer futility of it all exasperates her. 它毫无用处，这让她很生气。

8 virgin   

n.处女，未婚女子；adj.未经使用的；未经开发的

参考例句：

• Have you ever been to a virgin forest?你去过原始森林吗？
• There are vast expanses of virgin land in the remote regions.在边远地区有大片大片未开垦的土地。

9 poker   

n.扑克；vt.烙制

参考例句：

• He was cleared out in the poker game.他打扑克牌，把钱都输光了。
• I'm old enough to play poker and do something with it.我打扑克是老手了，可以玩些花样。