火炎焱加冰
小括号 ：Parentheses,bracket 中括号：bracket 大括号：braces 请尽快【采纳】 谢谢你的合作!(￣0 ￣)y 如果能【增加财富值】就更好了! 也可以给一个【赞】哦~ 另外,我会尽快回复. ——来自{上贼船莫怕死}
江秀梅+刘洋
小括号在键盘上的位置位于数字“9”和“0”的位置，可以直接使用键盘输入。
使用键盘输入的方法为按住电脑的“shift键”和数字“9”的位置可以输入左半部分括号，按住电脑的“shift键”和数字“0”的位置可以输入左半部分括号（如图所示）。
扩展资料：
括号（）数学用法
括号（bracket）是用来规定运算次序的符号。
最早出现的括号是小括号“（ ）”，于1544年出现。
直至17世纪，中括号“[ ]”才出现于英国瓦里斯﹝1616─1703﹞的著作中，至于括线则由1591年韦达﹝1540─1603﹞首先采用，而大括号“{ }”则约在1593年由韦达首先引入，主要用来表示一个数的集合；至1629年，荷兰的基拉德采用了全部括号，18世纪后开始在世界通用。
随着数学学习的深入，所有的括号都可以用“（ ）”代替，这样看起来方便，又可以避免造成括号样式过少的情况。
在初等数论中，用来表示最大公约数，如（111,148）=37。
蓝莓嘉人
1.句号 Period [.]
用以表示一个句子的结束：
Hockey is a popular sport in Canada.
The federal government is based in Ottawa.
用在缩写中：
B.C.is the province located on the West Coast.
Dr.Bethune was a Canadian who worked in China.
The company is located at 888 Bay St.in Toronto.
It is 4:00 p.m.in Halifax right now.
2.问号 Question Mark ]
在句子的结尾使用问号表示是直接疑问句：How many provinces are there in Canada?
注意：在间接疑问句结尾不要加问号：
The teacher asked the class a question.
Do not ask me why.
3.叹号 Exclamation Mark [!]
在句子的结尾使用叹号表示惊讶、兴奋等情绪：
We won the Stanley Cup!
The forest is on fire!
4.逗号 Comma [,]
句子中的停顿：Therefore,we should write a letter to the prime minister.
在疑问句中引出说话人："I can come today," she said,"but not tomorrow."
排列三个或以上的名词：Ontario,Quebec,and B.C.are the three biggest provinces.
引出定语从句：Emily Carr,who was born in 1871,was a great painter.
5.单引号 Apostrophe [']
表示所有:This is David's computer.
These are the player's things.(Things that belong to the player)
Note:对于复数形式的名词,只加'
These are the players' things.(Things that belong to the players)
缩写I don't know how to fix it.
6.引号Quotation Marks ["]
直接引出某人说的话：
The prime minister said,"We will win the election."
"I can come today," she said,"but not tomorrow."
7.冒号Colon [:]
引出一系列名词：There are three positions in hockey:goalie,defense,and forward.
引出一个较长的引语：The prime minister said:"We will fight.We will not give up.We will win the next election."
8.分号Semicolon [;]
将两个相关的句子连接起来：The festival is very popular; people from all over the world visit each year.
和逗号一同使用引出一系列名词：The three biggest cities in Canada are Toronto,Ontario; Montreal,Quebec; and Vancouver,B.C.
9.破折号Dash [-]
在一个句子前作总结：Mild,wet,and cloudy - these are the characteristics of weather in Vancouver.
在一个句子的前面或后面加入额外的注释：The children - Pierre,Laura,and Ashley - went to the store.Most Canadians - but not all - voted in the last election.
表示某人在说话过程中被打断：The woman said,"I want to ask - " when the earthquake began to shake the room.
10.连字符Hyphen [-]
连接两个单词：sweet-smelling; fire-resistant
将前缀：anti-Canadian; non-contact
在数字中使用：one-quarter; twenty-three
符号是指一个社会全体成员共同约定的用来表示某种意义的记号或标记。来源于规定或者约定俗成，其形式简单，种类繁多，用途广泛，具有很强的艺术魅力。
优质英语培训问答知识库
