Form 作动词，表示"构成，组成"、

We formed a study group.

15.The most common thing, from paper to clay to bamboo, are turned into objects of beauty.

Eg: The famers are turning wasteland into rice fields.

turn相关的动词短语：

turn on 打开 turn off 关闭 turn up 调大 turn down 调小

turn against 背叛 turn in 上交 turn over 翻转

16. He sent them out to ask for help when in trouble.

send out 意为：发出，放出，发送，此结构为动词+副词短语，代词作宾语要放两者之间。

when in trouble 是状语从句的省略句，当主句主语和从句主语相同且从句中有be动词时，可以把从句中的主语以及be动词省略。

17.They are made of bamboo and covered with paper.

be covered with 被...覆盖

eg; The whole land is covered with white snow now.

be covered by 也表示"被...。覆盖"，是被动语态结构。

18.When the lanterns are lit, they slowly rise into the air like small hot-air balloons for all to see.

are lit 为被动语态

rise into 上升到；升入

19. They are seen as bright symbols of happiness and good wishes.

as意为：作为，当作

eg He works in a school as a teacher of math.

as作连词的用法

①因为，由于

You must hurry up, as there is little time left.

②像，按照

You must do everything as I asked you to.

③当...时候；一边...。。，一边...

She sings as she walks.

20.scissors 意为：剪刀，常用 a pair of scissors, a pair of + 复数名词作主语，谓语动词与pair的形式一致

21.lively ( full of life and energy ) 生气勃勃的，活泼的

对比alive living

22. After drying, they are fired at a very high heat.

单元测试

一、单项选择

( ) 1. -How are the team playing --They are playing well but one of them ______ hurt.

A.got B. gets C. are D. were ( ) 2. Having a trip abroad is certainly good for the old couple but It remains ______ whether they will enjoy it.

A.to B. to be seen C. seeing D. seen ( ) 3. --Mummy can I put the peaches in the cupboard

--No dear. They don't ______well. Put them in the fridge instead.

A.keep B. fit C. get D. last ( ) 4. Why don't you put the meat in the fridge

It will______ fresh for several days.

A.be stayed B. stay 　　 C. be staying 　　 D.have stayed ( ) 5. -How are you today -Oh I_____ as ill as I do now for a very long time.

A.didn't feel B. wasn' t feeling C. don't feel D. haven' t felt