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Một hỗn hợp có chứa các phụ khác nhau mà không liên quan hóa học với nhau.
-Pure subtances chỉ bao gồm một loại phân tử trong đó.Hầu hết những thứ trong thế giới này là hỗn hợp.
-Một hỗn hợp có thể được tách biệt về thể chất hoặc vật lý.
- Khi một hỗn hợp muối và nước được cách nhau bằng cách sưởi ấm, có thể thu được nước tinh khiết.
1.Bạn có thể tách riêng một hỗn hợp nước và cát?
2. Bạn có thể làm gì để tách sắt và muối
rewritethe followed using ''so-too-either-neighther''
1.i have told you , and (your father)
I HAVE TOLD YOU AND I HAVE TOLD YOUR FATHER, TOO.
2.she hasn't bough a glass of water , and (we) NEITHER HAVE WE.
3. what you eat is healthful , and (what you drink) SO IS WHAT YOU DRINK
4.none of my friends has come , and(you) NEITHER HAS YOU
5.she can never drive a car, and(we) SO CAN WE
6. i don'tthink you can do it , and (my mother) I DON'T THINK MY MOTHER CAN DO IT, EITHER.
7. my mother thinks they will come soon , and(i) SO DO I
8. what he has done is encouraging , and(your work)
SO DOES YOUR WORK
9. the reason why he has passed the exam is unknown , and (he)
SO IS HE
10. we like him, and(you) SO DO YOU
III. Sentence building:
1. electricity / should / waste / not / We
=> ...
III. Sentence building:
1. electricity / should / waste / not / We
=> .We should not waste electricity.....................................................................................................................
2. world / biggest / is / the / in / city / Mexico City / the
=> ...Mexico City .is the biggest city in the world............................................................................................................
3. matter / is / What / is / the / Hoa / with ?
=> ....What is the matter with Hoa...?.........................................................................................................
4. water / color / What / is / the ?
=> ....What is the color of water?............................................................................................................
5. lot / a / of / traffic / Ha Noi / There / is / in
=> ....There is a lot of traffic in Ha Noi..........................................................................................................
6. street / throw / Don't / in / trash / the
=> ..Don't throw trash in the street............................................................................................................
7. beef / produce / These / and / lots / milk / cows / of
=> ...These cows produce lots of beef and milk...........................................................................................................
8. eggs / want / does / many / your / How / mother ?
=> ....How many eggs does your mother want?.
................................................................................................................
I. 1. A
2. Lots
3. Any
4. Little
5. Some
6. Lot
7. Few
8. Some
9. Some
10. An
I. 1. Exposure to fire, hot liquids or metals, chemicals, electricity or the sun’s ultraviolet rays can cause burns.
2. It should be removed as soon as possible.
3. Because it helps ease pain and protect the burns from contaminating.
4. For at least twenty minutes.
5. He or she should use dry, sterile dressing held in place by bandages.
II.1. Linh’s parents are very proud of him because he always gets good marks.
2. We are very interested in playing soccer when we lived in the countryside.
3. I haven’t talked to your/ my uncle since he bought a new house in the city center.
4. The Browns have bought a lot of food because they are going to have a party.
5. It is only a small car, so there isn’t enough room for all of us.
III. 1. received
2. for
3. working
4. number
5. an
6. gone
7. will
8. there
9. never
10. finds
Read the following passage and answer the questions below.
A burn is an injury to the skin caused by exposure to fire, hot liquids or metals, chemicals, electricity or the sun’s ultraviolet rays. When someone gets a burn , it’s necessary to provide first - aid right away. First aid for burns involves removing the source of the burn as soon as possible. The burns should be cooled immediately with cold water. A clean, cold wet towel or dressing can be placed on less serious burns to ease pain and protect the burns from contaminating. If the burn is caused by chemicals, it should be bathed continuously with running water for at least 20 minutes to reduce the substance. Any powder should be carefully brushed off with gloved or protected hands before washing. Wet dressings should never be used for burns. Instead, the first - aid provider should gently apply dry, sterile dressing held in place by bandages and seek immediate medical attention.
* Question:
1. What can cause burns?
................................... It is caused by exposure to fire, hot liquids or metals, chemicals, electricity or the sun’s ultraviolet rays.............................................................................................................
2. When should the source of the burn be removed?
..................................................... The source of the burn should be removed as soon as responsible...........................................................................................
3. Why should we place clean, cold wet towels on less serious burns?
.............................. Because it can ease pain and protect the burns from contaminating..................................................................................................................
4. How long should the burn caused by chemicals be washed with water?
............................. 20 minutes...................................................................................................................
5. What kind of dressings should the first - aid provider use?
........................................... The first - aid provider use should dry, sterile dressing.....................................................................................................
Use the given words to make complete sentences.
1. Linh/ parents/ proud/ him/ because/ he/ always/ get/ good marks.
................................... Linh’s parents are very proud of him because he always gets good marks.............................................................................................................
2. We/ very interested/ play/ soccer/ when/ live/ countryside.
................................ We were very interested in playing soccer when we lived in the countryside................................................................................................................
3. I/ not talk/ uncle/ since/ he/ buy/ new house/ city center.
...................................... I haven’t talked to my uncle since he bought a new house in the city center........................................................................................................................................................................................................................................................
4. The Browns/ buy/ lot/ food/ because/ they/ go/ have/ party.
.......................... The Browns have bought a lot of food because they are going to have a party......................................................................................................................
...............................................................................................................................................
5. It/ only/ small car/ so/ there/ not/ enough room/ all/ us.
................................. It is only a small car, so there isn’t enough room for all of us...............................................................................................................
Fill in each blank with the suitable word in the following passage.
I have just ................. received............. (1) a letter from my brother, Dave. He is in Australia. He has been there ....................for.............. (2) six months. He is an engineer. He is ................working..............(3) for a big farm and he has visited a great ..........number................. (4) of different places in Australia. He has just bought .............an................ (5) Australian car and he has .....................gone.............. (6) to Alice Spring, a small town to the center of Australia. He .................will............. (7) soon visit Darwin. From .........there...................... (8), he’ll fly to Perth. My brother has .............never.................(9) been abroad before, so he ........finds.............. (10) this trip very exciting
1. I'd like a sandwich and some rice ,please .
2. There isn't any milk in the fridge .
3. He wants an apple and a glass of water .
4. Are there any chocolates in the box ?
5. Would you like some coffee .
6. There is some carrots but there isn't any meat in the fridge .
7. We need some beef and a can of peas .
8. I need an egg and a cooking oil to make an omelette .
1. I'd like a sandwich and some rice, please.
2. There isn't any milk in the fridge.
3. He wants an apple and a glass of water.
4. Are there any chocolates in the box?
5. Would you like some coffee?
6. There are some carrots but there isn't any meat in the fridge.
7. We need some beef and a can of peas.
8. I need an egg and a cooking oil to make an omelette.
31. morning?/ you / every / do / much / have / How / water /drink /
→ ____How much water do you have drink every morning ? ___________________________________________________________________
32. He/ sometimes / has / bowl / cereal / and / glass / milk / for breakfast./ a / a / of / of /
→ ___He sometimes has a bowl of cereal and a glass of milk for breakfast. ____________________________________________________________________
31. morning?/ you / every / do / much / have / How / water /drink /
→ ____How much water do you have drink every morning ? ___________________________________________________________________
32. He/ sometimes / has / bowl / cereal / and / glass / milk / for breakfast./ a / a / of / of /
→ ___He sometimes has a bowl of cereal and a glass of milk for breakfast. ____________________________________________________________________
she always puts a few salt in her soup
=> few -> little
how often are going to stay in hue ?for three days
=> often -> long
they always do their homeworks in the evening
=> homeworks -> homework
mary has a glass of water or fruit juice in her meal
=> a glass -> two glasses ; or => and
they are going home by their uncle and aunt
=> by -> with
1T 2F
He teaches in a small school in London
He goes home at on o'clock in the afternoon
He doesn't work on Saturdays and Sundays
III. Read the following passage and do the tasks below:
Mr John is a teacher. He teaches in a small school in London. In the morning, he gets up at seven o’clock. He has breakfast and drinks a glass of milk. Then he goes to work. He teaches his pupils French. He has lunch at school. He goes home at one o’clock in the afternoon. He doesn’t work on Saturdays and Sundays, he goes to the cinema or reads stories. He likes books very much. He has a sister in Oxford and a brother in London.
A. True (T) or False (F):
| Statement | T | F |
| 1. Mr John is a teacher. | × |
|
| 2. He often gets up at nine o’clock every morning. |
| × |
B. Answer the questions:
1.Where does Mr John teach?
=>………………He teaches in a small school in London.………………….
2.What time does he go home in the afternoon?
=>……………………He goes home at one o’clock in the afternoon.………………………….
3.Does he work on Saturdays and Sundays?
=>…………………No, he doesn't………………….
- Alex has a glass of milk. => The milk in the glass is solution.
- Kevin put some sand into water. => He didn't make a solution because when you mix sand with water the sand can't be a liquid.
- 3 insoluble mixtures:
+ sand with water
+ rocks with water
+ paper with water
- 3 solutions:
+ water
+ orange juice
+ milk
- James has a solution of salt and water, he wants to separate salt from water => He should take a spoon and put the salt out of the glass.