Unit5 What are the shirts made of ?
（一）概念：英语中有两种语态：主动语态和被动语态。主动语态的主语是动作的执行者，被动语态的主语是动作的承受者。
（二）构成：A + is/am/are + V-过去分词 + by B
（三）被动语态的句型结构：
These dishes are washed by my mother. (一般疑问句)
Are these dishes washed by my mother?
These dishes are washed by my mother.(变否定句)
The dishes aren’t washed by my mother.
（四）某些含有被动关系的短语 ：have sth. done = get sth. done 让某事被做
eg:I often have my hair cut.
The boy got his ears pierced.
（五）部分动词，如see、hear、watch、feel、notice等变被动语态时要注意还原不定式to,且被动语态中的动作执行者可省略
eg: The boss makes us work 12 hours every day.（变被动语态）
We are made to work 12 hours every day.
（六）主动表达被动的情况
① want/need/require doing = want/ need/ require to be done 需要被……
My bike needs repairing. = My bike needs to be repaired.
School uniform looks good on us.
The dinner smells good.
③ open/lock/write/sell/read/cook等词作不及物动词且它们的主语为物时，可用主动语态表示被动意义
This pen writes very smoothly.
This book sells well.
二、知识点
1. glass
① n. 玻璃（不可数名词）
a piece of glass 一片玻璃
② n. 玻璃杯（可数名词）
eg: I broke a glass this morning.
③ n. 眼镜 （可数名词，常用复数形式glasses）
eg: Mr. Wang wears a pair of glasses.
2. Is it made of silver?
辨析：be made of，be made from，be made in, be made by与be made into
be made of | |
be made from | “由…制造，由…制成”，指原材料经过加工后，从成品中看不出原材料，有质的变化。 |
be made in | “在…地方制造；在…年制造”，指某物是在某地或某年生产或制造的，后接地点或年份。 |
be made by | “由/通过…制造”，指某物是由某人或某种方式制造的。 |
be made into | “被制成…”，指用某种原材料制成某种产品。 |
eg: The table is made of wood and it was made by my uncle.
These wines are made from grapes.
This kind of perfume is made in France.
These orange peels can be made into medicine for sale.
3. the art and science fair
① fair
n. 展览会；交易会
eg: There will be a fashion fair this weekend.
adj. 公平的，公正的
be fair to sb.
eg: We must be fair to both sides.
② unfair adj. 不公平的
eg: It’s unfair to treat the old man like that.
4. grass and leaves.
① leaf n. 叶；叶子（可数名词，复数形式为leaves）
eg: There are some leaves in the picture.
② 以f或fe结尾的名词，其复数形式把f或fe变y再加es，常见的这类词有：
wife—wives thief—thieves knife—knives life—lives half—halves
self—selves
5. China is famous for tea, right?
辨析：be famous for 和 be famous as
be famous for | 表示出名的原因，意为“因......而出名” |
be famous as | 后接表示身份、地位等的名词，意为“作为......而出名” |
eg:The restaurant is famous for delicious fish. 这家饭店以美味的鱼闻名。
Sun Li is famous as an actress. 孙俪作为演员出名。
6. Where is tea produced in China?
① produce v. 生产；制造；出产
eg: They try to produce more cars.
② product n. 产品；制品
eg: I think you may be interested in our new product.
7. For example, Anxi and Hangzhou are widely known for their tea.
① widely adv. 广泛地；普遍地
eg: Now Chinese is used more widely than before in the world.
② wide adj. 宽的
eg: The river is wide.
8. Well, as far as I know, tea plants are grown on the sides of mountains.
as far as I know 据我所知
eg: As far as I know, Mr. Green has gone to America.
9. When the leaves are ready, they are picked by hand and then are sent for processing.
ready adj. 准备好的
① get/be ready for sth. 为......做好准备
eg: Are you ready for the exam?
② get/be ready to do sth. 准备好了做某事
eg: After breakfast, I will get ready to go to work.
10. It seems that many people all over the world drink Chinese tea.
seem v. 似乎
① seem+adj. 似乎…
eg: He seems happy.
② seem to do 似乎做了某事
eg: He seems to be happy.
③ It seems + that从句
eg: It seems that he is happy.
11. Yes, people say that tea is good for both health and business.
① both…and… …….和……都
She is both hard-working and careful.
② neither…nor… 既不……也不……
eg: Neither you nor she likes getting up early.
12. They are picked by hand and then are sent for processing.
process
① v. 加工
eg: Workers are processing vegetables.
② n. 过程 in the 在......的过程中
eg: They are in the process of working.
13. The Difficult Search for American Products in the US.
search
n. 搜索、搜查 in search of 寻……
eg: The boys went in search of something to eat.
v. 搜索、搜查
辨析: search与search for
search | 查查某地或搜身，其宾语可以是房屋、人身、衣袋等名词 |
search for | 寻、搜索，指搜寻、搜索某人或某物 |
eg: They searched his clothes. 他们搜查了他的衣服。
eg: They are searching for his clothes. 他们正搜寻他的衣服。
14. No matter what you may buy, you might think those products were made in those countries.
no matter 无论；不论（与what, who, when, where, how等疑问词连用，引导让步状语从句）
no matter where = wherever no matter what = whatever no matter who = whoever
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