Unit 1 --Unit 2
(1)问候语：
Good morning/ afternoon/ evening.
How are you?---Just OK, thank you. How are you?---Not bad, thanks.
Hi! Hello!
How do you do?
(2)道别用语：
Nice/ Glad to meet/ see you.(meet用于初次见面，see用于熟人间)
Nice to meet/ see you, too.
Goodbye. Byebye. Bye. See you (later/ tomorrow/ next time)! So long! Good night!
(3)介绍人或者物的句型：This is...
(4)Excuse me.与I'm sorry.的区别：
Excuse me.是要引起对方的注意，而I'm sorry.则是向对方道歉。
(5)词组be from = come from
(6)当问句中问到this/ that时，回答要用it;问到these/ those时，要用they来回答。 例如： What's this in English?----It's an eraser.
What are those?----They are books.
(7)对Thanks.的回答：That's OK./ You're welcome./ My pleasur.
(8)look the same = have the same looks
give sth. to sb. = give sb. sth.
be like = look like
in the tree/ on the tree (树上结的、长出来的用on，否则用in)
in red(穿着红色的衣服)
in the desk(在空间范围之内)
in English(用英语)
help sb. do sth.
(9)both与all的区别：
both表示"两者都......";all表示"三者及以上都......"。
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