Unit 14 : Wonders of the world - Hỏi đáp

điền một giới từ vào chỗ trống:

1. phong nha cave in viet nam is known ..as. a world heritage site

2.the eiffel tower was designed ..by. a french engineer ..for. paris world's fair .in.. 1889

3.coming to our area, visitors can take guided tours ...to the jungle or swim .in.. the blue sea

4. we have just returned ..from. a trip to hue citadel

5. in our place it is very cold ..at. night but it's warm ..in. the day

6. the lucturer is talking ..about. the great wall of china

Environmental pollution is the status of environmental contamination by chemical, biological ... affect human health, other living organisms.Environmental pollution is caused by humans and human management.
The main types of pollution :
- Air pollution : Smoke and dust discharge chemicals into the atmosphere. Examples of toxic gases as carbon monoxide, sulfur dioxide, cloroflorocacbon substances (CFCs) and nitrous oxide are of industrial waste and vehicle
- Water pollution occurs when surface water flows through the domestic waste, industrial waste water, pollutants in the ground, and groundwater seepage.
- Soil pollution occurs when soil contaminated with toxic chemicals (concentrations exceed normal limits) by the activities of man as active mining, industrial production and use of chemical fertilizers Study or too much pesticide, ... or leaks from underground storage tanks. Most common types of soil contaminants are hydrocarbons, heavy metals, MTBE, herbicides, pesticides, and chlorinated hydrocarbons .
- Radioactive Pollution , Noise pollution , Light Pollution ...
Affecf :
+ For human health : Air pollution can kill many living organisms including humans. Ozone pollution can cause respiratory disease, cardiovascular disease, inflammation of the throat, chest pain, breathlessness. Water pollution causes approximately 14,000 deaths per day, mainly by eating contaminated with untreated water. Chemicals and heavy metals contamination in food and drink can cause cancer. Oil spills can cause itching blisters. Noise pollution causes hearing loss, hypertension, depression, and insomnia., causing serious consequences .
+ For ecosystem :
- Sulfur dioxide and nitrogen oxides cause acid rain can reduce soil pH.
- Contaminated land may become barren, not suitable for crops. This will affect other living organisms in food webs.
- Smoke and fog reduce sunlight that plants receive to make the process of photosynthesis.
- Invasive species that can compete and occupied habitat for endangered native species, thus reducing biodiversity.
CO2 generated from the factories and passing vehicles also increases the greenhouse effect. Earth on a heating up. Gradually destroying the natural resort where it is available.
Solutions to limit environmental pollution :.
- Combat desertification and silver color.
- Natural water treatment contaminated ...
- Purify air ...


Ô nhiễm môi trường là tình trạng môi trường bị ô nhiễm bởi các chất hóa học, sinh học... gây ảnh hưởng đến sức khỏe con người, các cơ thể sống khác . Ô nhiễm môi trường là do con người và cách quản lý của con người.
Các dạng ô nhiễm chính :
- Ô nhiễm không khí, việc xả khói chứa bụi và các chất hóa học vào bầu không khí. Ví dụ về các khí độc là cacbon mônôxít, điôxít lưu huỳnh, các chất cloroflorocacbon (CFCs), và ôxít nitơ là chất thải của công nghiệp và xe cộ .
- Ô nhiễm nước xảy ra khi nước bề mặt chảy qua rác thải sinh hoạt, nước rác công nghiệp, các chất ô nhiễm trên mặt đất, rồi thấm xuống nước ngầm.
- Ô nhiễm đất xảy ra khi đất bị nhiễm các chất hóa học độc hại (hàm lượng vượt quá giới hạn thông thường)do các hoạt động chủ động của con người như khai thác khoáng sản, sản xuất công nghiệp, sử dụng phân bón hóa học hoặc thuốc trừ sâu quá nhiều,... hoặc do bị rò rỉ từ các thùng chứa ngầm. Phổ biến nhất trong các loại chất ô nhiễm đất là hydrocacbon, kim loại nặng, MTBE, thuốc diệt cỏ, thuốc trừ sâu, và các hydrocacbon clo hóa .
- Ô nhiễm phóng xạ , Ô nhiễm tiếng ồn , Ô nhiễm ánh sáng ...
Ảnh hưởng :
+ Đối với sức khỏe con người : Không khí ô nhiễm có thể giết chết nhiều cơ thể sống trong đó có con người. Ô nhiễm ozone có thể gây bệnh đường hô hấp, bệnh tim mạch, viêm vùng họng, đau ngực, tức thở. Ô nhiễm nước gây ra xấp xỉ 14.000 cái chết mỗi ngày, chủ yếu do ăn uống bằng nước bẩn chưa được xử lý. Các chất hóa học và kim loại nặng nhiễm trong thức ăn nước uống có thể gây ung thư. Dầu tràn có thể gây ngứa rộp da. Ô nhiễm tiếng ồn gây điếc, cao huyết áp, trầm cảm, và bệnh mất ngủ., gây nhiều hậu quả nghiêm trọng .
+ Đối với hệ sinh thái :
- Điôxít lưu huỳnh và các ôxít nitơ có thể gây mưa axít làm giảm độ pH của đất.
- Đất bị ô nhiễm có thể trở nên cằn cỗi, không thích hợp cho cây trồng. Điều này sẽ ảnh hưởng đến các cơ thể sống khác trong lưới thức ăn .
- Khói lẫn sương làm giảm ánh sáng mặt trời mà thực vật nhận được để thực hiện quá trình quang hợp .
- Các loài xâm lấn có thể cạnh tranh chiếm môi trường sống và làm nguy hại cho các loài địa phương, từ đó làm giảm đa dạng sinh học.
Khí CO2 sinh ra từ các nhà máy và các phương tiện qua lại còn làm tăng hiệu ứng nhà kính. Trái Đất ngày một nóng dần lên. Phá hủy dần các khu du lịch tự nhiên mà nó sẵn có.
Giải pháp để hạn chế ô nhiễm môi trường :
- Giảm độ mặn cho đất.
- Xử lý nước tự nhiên bị ô nhiễm.
- Làm trong sạch không khí ..

mk là bandicoot

Viết câu sao cho nghĩa không đổi:
1.We haven't seen each other for over two years.
~> The last time.....we saw each other was over two years ago ...........
2.The water was so cold that the children could not swim in it.
~>The water was not......warm enough for the children to swim in .......
3.Map keeps leaving her pen at home.
~>Mai is......always leaving her pen at home ......
4.She is not only a teacher, she is also a singer.
~>Not only.......is she a teacherbut she also is a singer.......

1/We haven't seen each other for over 2 years.
-> The last time we saw each other was over 2 years ago

2/The water was so cold that the children couldn't swim in it
-> The water wasn't warm enough for the children to swim in

3.Map keeps leaving her pen at home.

->Mai is always leaving her pen at home

4/She is not only a teacher. She is also a singer.
-> She is not only a teacher but also a singer.

B

B

#Perhaps =))

Vietnam have a lot of natural beauty. Ha Long Bay is located in northeast Vietnam, is part of the west coast Bac Bo bay. My feeling about Ha Long Bay was first to see firsthand the magical beauty that nature has bestowed to Vietnam is similar to what I learned about through books and television: Ha Long bay is really beautiful and sexy. Ha Long Bay as a huge picture wearing extremely lively. That's the beautiful art works, the flowers of creation, of nature turn thousands of islands senseless silence became quite sculpture, painting with all our perfect appearance, charm, just very familiar just as alien to human beings. Thousands of islands bobbing on the waves of shimmering, majestic both strong but also very soft and graceful, lively. Ha Long bay is beautiful, but would be nicer, more romantic if colored by the sentiments of respect and love for visitors to the bay. You and I, we have the owner just as tourists, we get together to preserve the precious gift that nature has bestowed favor for the country of Vietnam. Ha Long bay is the wonder in the world. Ha Long bay-my love.

Is the pyramid of cheops one wonder of the world ? Where ?

=>Yes,it is.It is in Egypt.

Yes , it is . It is in Egypt

Computer is a modern tool which has made life very easy and simple. It has the capability to complete more than one task in small time. It is able to do work of many human beings alone within less time. It is the utility of highest efficiency. The first computer was a mechanical computer which was created by the Charles Babbage. A computer works successfully using its hardware and fully installed application software. Other accessories of the computer are keyboard, mouse, printer, CPU and UPS.

The data which we put into the computer using device is called input data and device as input device and data which we take outside using printer or the other device is called as output data and device as output device. The input data gets changed into the information which can be stored and changed anytime. Computer is very safe tool for data storage which is being used in various fields. We can shop, pay our electricity bill, water bill, video chat, messaging, e-mail messages anywhere in the world and lots of online activities using the internet.

1) sugested -> suggested

4) roial -> royal

5) quiet -> quite

1, She was always singing all day.
2, My mom was always complaining about my room when she got there.
3, When he worked here, he was always making noise.
4, They were still waiting for the plane when I spoke to them.
5, I was walking in the street when I suddenly fell over.
6, When my sister got there, it was 8 p.m.
While I was taking a bath, she was using the computer.
7, While I was driving home, Peter was trying desperately to contact me.
8, I was listening to the news when she phoned.
9, We were not talking about it before you arrived.
10, We were just talking about it before you arrived.

1. I was watching TV at 8.30 last night

2. They were swimming at 2.30 yeaterday

3.When he came , we were having dinner

4. When I came back home , my mother was cooking lunch

5. My brother was studying Enlish while I was cleaning the floor

6. While my parents were reading books , my sister was playing the guitar

7. I and my friend were playing football at 3.00 yesterday afternoon

8. When I came home , my mother was talking with her friends

9. I was reading comics this time yesterday

10. While my brother were playing basketball , I were doing my homework

*Danh từ số ít

1.What an interesting film!

2.What a beautiful house!

3.What awful weather!

4.What an intelligent girl!

5.What a beautiful clock!

*Danh từ số nhiều

1.What naughty boys!

2.What beautiful girls!

3.What beautiful clocks!

4.What interesting films!

5.What useful books!

Danh từ số ít

What a beautiful girl!

What a interesting novel!

What a good student!

What a nice day!

What a sad story!

Danh từ số nhiều

=> What beautiful flowers are!

=> What tight shoes are!

=>What good students are!

=>What sad stories are!

=>What interesting novels are!

1. Alexandre Eiffel designed the Eiffel Tower for the Paris World's Fair of 1889
=> The Effiel Tower was designed for Paris World's Fair of 1889 by Alexandre Effiel.

2. His painting will be exhibited for the first time by New Arts gallery.
=> New Arts gallery will exhibit his painting for the first time.

3. People said that the Pyramids of Egypt is one of the wonders of the world.
=> It's said that Pyramids of Egypt is one of the wonders of the world .
4. They have to change the plan to Florida because of the rough weather.
=> The plan to Florida have to be changed because of the rough weather.

The country that I want to visit best is Japan. Firstly, I want to see Phú Sỹ mountain, it's the most beautiful mountain in Japan. Secondly, I want to eat Japanese food, I really like sushi and I also want to see the life of the Japanese people. Finally, I want to wear the traditional clothes of Japan called "Kimono" and join the festival that I like very much is the Cherry Blossom Festival, it's very interesting and funny. I hope I can visit Japan one day.

1.My friend jessica (come) came while she (eat) was eating dinner last night

2.my roommate came home late last night. I (sleep) was sleeping when she (get) got home

3. while I (watch) was watching tv last night, our uncle (phone) phoned

4.when they (come) came,lan and I (do) were doing our homework

5. milions of people (visit) visit ha long bay every year

6. when harry (woke) woke up, we told him the good news

7. I don't know where (buy) to buy some things I need

8. I'd like you (meet) to meet my mother

9. she has a lot of novels (write) written in english

10. it was late, so we decide (take) to take a taxi home

11. we were hungry, so I suggested (have) having dinner early

12. it started (rain) to rain when they left home

13. don't forget (turn) to turn off the lights before(go) going out

14. she (practice) was practicing her piano lesson at 7 o'clock last night

15 lan (play) was playing badminton while thu (read) was reading comics at recess yesterday

16.thu (talk) was talking to her friend on the phone at 8 o'clock last night

17. my parents (be) have been very busy since then

18. we (not have) haven't had a vacation since last year

19. he (live) has lived here for ten years

1. I/have/wonderful time/ Sydney

=>I am having a wonderful time in Sydney.

2.weather/lovely/so/go/beach/most of the time

=>The weather is lovely so I go to the beach most of the time.

3. people/this/city/so friendly/helpful

=>People in this city are friendly and helpful.

4. next sunday/I buy/ some souvernirs/ you/ my sister

=> Next Sunday, I will buy some souvenirs for you and my sister.

5.I/tell/more/trip/I/be/in Hue

=>I will tell more in the trip when I am in Hue

1. I/have/wonderful time/ Sydney

=> I am having a wonderful time in Sydney.

2.weather/lovely/so/go/beach/most of the time

=> The weather is lovely so I go to the beach most of the time.

3. people/this/city/so friendly/helpful

=> People in this city is so friendly and helpful.

4. next sunday/I buy/ some souvernirs/ you/ my sister

=> Next Sunday I will buy some souvenirs for you and my sister.

5.I/tell/more/trip/I/be/in Hue

=>I will tell more about the trip I will be in Hue.

Chia động từ và giải thích:

1.Do you like this picture? My uncle (paint)....painted....... it.

2. We (have)......were having... luch when we heard the news.

3. He broke his arm when he ( play)......was playing.....rugby.

4.Kylie (make)..was making...her first film when she was 21.

5. I (work)....was working..on the computer when the earthquake happpened.

6. I(have).......was having.....a bath when she phoned.

7. While I (shop) ........was shopping.... yesterday afternoon, I heard someone call my name.

8. What were you doing when the alam (sound)...sounded....?

Chia động từ và giải thích:

1.Do you like this picture? My uncle (paint)HAS PAINTED it. (HÀNH ĐỘNG XẢY RA TẠI 1 THỜI ĐIỂM K RÕ Ở QK, ĐỂ LẠI KẾT QUẢ Ở HIỆN TẠI THÌ CHIA HTHT)

2. We (have)WERE HAVING luch when we heard the news.

3. He broke his arm when he ( play)WAS PLAYING rugby.

4.Kylie (make)MADE her first film when she was 21.

5. I (work)WAS WORKING on the computer when the earthquake happpened.

6. I(have)WAS HAVING a bath when she phoned.

7. While I (shop)WAS GOING SHOPPING yesterday afternoon, I heard someone call my name.

8. What were you doing when the alam (sound)SOUNDED?