三、Period / Full Stop (.) 句號(hào)、句點(diǎn)
句號(hào)的寫法，在英文里是個(gè)小黑點(diǎn)(.)，可在中文卻是個(gè)小圈兒(。)(在科學(xué)技術(shù)文章里
也可用“小黑點(diǎn)”)。用法也有些差異，在英文方面，最“好玩”的是用在縮寫方面：
* 句號(hào)用在陳述句、祈使句及禮貌問句等的句尾
* 句號(hào)用在縮寫方面
* 句號(hào)用在數(shù)目字方面
3.1 句號(hào)用在陳述句、祈使句及禮貌問句等的句尾：
3.1.1 用在陳述句(Declarative sentence)尾，表示句子結(jié)束：
1. I am leaving now.
2. Ailan and Xiaodong are my friends.
-------------------------------------------------
3.1.2 用在祈使句(Imperative sentence)尾，表示句子結(jié)束：
1. Close the door.
2. Turn in your papers, please.
--------------------------------------------------
3.1.3 用在禮貌的、祈使性的、以及間接疑問句(Interrogative sentence)尾，表示
句子結(jié)束：
1. Will you please send me three copies. 麻煩你給我三份。(不要看到Will
you...就在句尾加問號(hào)喔)
2. Since when am I supposed to believe this. 我什么時(shí)候會(huì)相信這個(gè)呢。
3. He asked if you can come. 他問你能不能來。
==============================================
3.2 句號(hào)用在表示縮寫(Abbreviation, Acronym):
3.2.1 縮寫詞(Abbreviation)：(將一個(gè)字詞省略其中某些字母,字尾須加句號(hào))
1. 稱呼：Mr. = Mister, Mrs.= Misteress, Dr. = Doctor, Mim. = Ministor /
Ministry , Esq. = Esquire (先生)
2. 時(shí)間：yr. = year, min.=minute
3. 星期：Mon. = Monday, Tues. = Tuesday, Wed. = Wednesday, Thurs. =
Thursday, Fri. = Friday, Sat. = Saturday, Sun. = Sunday
4. 月份：Jan. = January, Feb. = February, Mar. = March, Apr. = April, Jun.
= June, Jul. = July, Aug./Ag. = August, Sept. = September, Oct. = October,
Nov. = November, Dec. = December (注意：oct. = octave八度, nov. = novelist
小說家, dec. = deceased亡故)
5. 國名：Afr. = Africa / African, Aus. = Austria / Austrian, Fr. = France
/ French, Ger. = Germany, It. = Italy / Italian
6. 其他：etc. = et cetera (等), Xmas. = Christmas, min. = minimum /
minor, max. = maximum, pc. = piece, Ltd. = Limited, num. =number / numbers
(No. = Number 第幾號(hào)之意)
-------------------------------------------------
3.2.2 Acronym (只取首字母的縮寫詞)：
1. 公元：A.D. = Anno Domin(公元)，B.C. = Before Christ(公元前)
2. 郵政：G.P.O. = General Post Office, C.O.D.= Cash on Delivery, P.O. /
p.o. = Postal Order, R.T.S. = Return To Sender
3, 時(shí)間：a.m. /A.M. = ante meridiem 上午， p.m. / P.M.= post meridiem下午
4. 國名：U.K. = United Kingdom, U.S.A. = United States of America
5. 其他：F.O.C. = Free Of Charge, R.I.P. = Rest In Peace 愿他安息, r.p.m.=
Revolution Per Minute, P.T.O. / p.t.o. = Please Turn Over 翻下頁，P.T.A. =
Parent-Teachers' Association 家長教師協(xié)會(huì)
-------------------------------------------------
也許是大家覺得縮寫詞后加個(gè)小黑點(diǎn)是件麻煩事，因此有些就干脆省掉它，下面是一
些不加句點(diǎn)的縮寫詞：
1. 組織名：UN, UNESCO, WTO
2. 數(shù)目：$75 , 2nd , 5th , Henry V
3. 常用詞：memo , math , exam , lab , dorm , TV , CD , VCD ,DVD,
PS =Postscript 附言，SARS (現(xiàn)在是無人不知其大名的了！)
4. 度量衡: mm , cm , km , g , mg , ml , kw , kv
====================================================
3.3 句號(hào)用在數(shù)字方面：
3.3.1 表示小數(shù)點(diǎn)：
1. $12.50 , ￥200.20 , RM4.45, 50.45%, 5.2 kg
----------------------------------------------------
3.3.2 用于大綱列表：
例： I. 第一學(xué)期體育教學(xué)
1. 游泳
a. 自由式
注意：在括號(hào)內(nèi)的數(shù)字或字母，不可加句號(hào)：
(3), (b), (Iv)