1. a : indefinite article  （不定冠词）用在可数不可数名词前，表示还未提及过的人或者物。a 用于首字母是辅音字母的单词，an 永远首字母是元音的单词。For examples： Dan is a man .

2. are: verb (动词) 见图  i am= i'm ;  you are = you're   he is = he's;    are 是 be 动词之一，用于第二人称单数，复数 （you）第一人称复数 we , 第三人称复数 they  后； 表示 是 某物， 在 某处， 在何时，或具有某种特点。等;For examples:   She and Dan are from the US.     Here are three people.

3. book noun(名词)  Examples  ： This is a book.  Open the book.

4. boy noun(名词)  Examples: Dan is a man , and Ben is a boy .  The  boy's name is Ben.

5. cell phone: a small telephone that people can take with them(人们可以随身携带的小型电话) Examples:This is a cell phone.

6. close verb(动词) Usage Tips使用技巧:   动词变化形式： Vd closed; Vn closed  Ving closing  close 和 open 是一对反义词。close 表示 关闭 合上， Example ：close the window 关窗，close a book 合上书， open the door, 打开门，open the box. 打开盒子。 Examples: People open and close doors.  Close the door.

7.desk  noun (名词) a table that you sit at to read,write,work,etc. 你坐着 读书，写字，工作等的桌子。

8.door noun(名词)  Examples :  People open and close doors .  This is a door.

9.girl noun(名词) Examples: Here are two people , a boy and a girl.  Lisa is a girl.

10. is verb(动词)  Usage Tips 使用技巧   动词变化形式 Vd was   Vn been    is  是 be 动词， 用于第三人称单数后，he is, she/it is， 表示 是 某物， 在某处， 在何时，或 具有某种特点，等等。Examples: Dan is a man .  Hi,my name is Ben.

11. It's nice to meet you .  used as a greeting when you meet someone for the first time.当你第一次见到某人时用作问候语。 Examples： It's nice to meet you , Tina.  

12. man noun(名词)  Usage Tips  使用技巧   名词变化形式   pl  men. Examples : Dan is a man, and Ben is a boy.

13. name noun(名词) Usage Tips 使用技巧    英语国家人名的顺序从前到后分别是 first name ,middle name, last name. first name 是名，middle name 是名和姓之间的名字，last name 是姓。 Examples : This girl's name is Lisa Jackson.What is your name?

14. open verb 动词，  Usage Tips 使用技巧   动词变化形式， Vd opened; Vn opened; Ving opening ;   Examples: Open the door.  Open the book.

15. put down  放下  Examples:  Put down the keys .  Put down your hand.

16. phone  noun  a telephone. 一部电话。  Examples: Can i have your phone number?  This is a cell phone.

17. these  pronoun 代词   plural of  "this"  Examples:  These  are  her parents.These are stairs.

18. woman   noun   Usage Tips  : 名词变化形式，pl women. Examples： Tina is a woman.

19. your  determiner 限定词     Subject主语： i, you, he ,she,it , we, they;  Possessive 所有格：my,your,his,her,its,our,their;  Object 宾语： me,you,him,her,it,us,them.    Examples: Put down your hand. What is your name?

i'm tired for this . May 27th 2019.