Why there are tiny holes on the windows of a plane

NH

Nguyễn Hữu Trí

13 tháng 2 2022

#Khoa học lớp 5

4

LN

Lâm Ngọc Hoàng Diệp

13 tháng 2 2022

"This hole helps prevent moisture and snow from accumulating on the windows," said Bret Jensen, a senior Boeing aeronaual technician. That's why your windows don't get cloudy every time the plane passes through the clouds."

nghĩa :

Bret Jensen, kỹ thuật viên hàng không cao cấp của Boeing cho biết: “Lỗ thủng này giúp ngăn hơi ẩm và tuyết tích tụ trên cửa sổ. Đó là lý do tại sao cửa sổ của bạn không bị vẩn đục mỗi khi máy bay đi qua các đám mây ”.

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SA

ミ★ Sumire Akane ★彡

13 tháng 2 2022

Holes in window panes are meant to keep us safe. Known as “bleed holes”, they help regulate air pressure changes as planes climb to cruising altitudes of up to 33,000 feet. At high altitudes, air pressure and oxygen levels reduce. ... However, this pressure difference puts enormous strain on the windows.

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MV

Minh Vương Nguyễn Bá

10 tháng 3 2022

. Read then answer the questions.Colds and flu are caused by viruses. The infections are contagious, passed on by tiny droplets and hand contact. There are hundreds of different types of virus that can cause cold, which explains why children get repeated colds. Flu is caused by the influenza virus. There are three major types: A (often the cause of flu epidemics), B and C. The flu virus is constantly changing its structure, so new strains appear each year. We don’t have immunity to the new...

Đọc tiếp

. Read then answer the questions.

Colds and flu are caused by viruses. The infections are contagious, passed on by tiny droplets and hand contact. There are hundreds of different types of virus that can cause cold, which explains why children get repeated colds. Flu is caused by the influenza virus. There are three major types: A (often the cause of flu epidemics), B and C. The flu virus is constantly changing its structure, so new strains appear each year. We don’t have immunity to the new strains, which is why we can catch flu repeatedly. Anyone can catch a cold or flu. The peak season for colds is the colder winter months, not only because of the weather but because central heating dries out the normally moist nasal mucosa-an important defense against invading viruses. However, you can catch a cold at any time of the year; one particular type of cold virus thrives in the summer. Flu rarely occurs outside November to February in the UK. A cold causes a stuffy or runny nose, sneezing, sore throat, cough, mild fever and tiredness, lasting from two to four days. Flu is more severe with a high fever (usually 39^oC or above), chills, headache, intense muscle pains, exhaustion, loss of appetites, cough and sometimes a blocked nose and sore throat. It may last a week or more and possible complications include pneumonia. Most cold don’t last long and need no specific treatment other than painkillers and simple measures such as decongestant rubs or vaporizers. Antibiotics are of no benefit. Zinc supplements may help to settle a cold more quickly. Children with flu can be given similar treatments, with lots of rest, medicine to bring down any fever and plenty of fluids to avoid dehydration. Lowering the temperature in the room can also be helpful when someone has a fever. Specific antiviral treatments for flu are now available, but generally these are only given to those at high risk of flu complications.

1. What are cold and flu caused by?

…………………………………………………………………………

2. Why do children get repeated colds?

……………………………………………………………………………

3. How many influenza viruses is flu caused by? What are they?

………………………………………………………………………………………………………….

4. Who can catch a cold or flu?

…………………………………………………………………………………………………………..

5. Which season do people usually get cold the most in the year?

……………………………………………………………………………………………………………

6. What symptoms do colds often cause?

………………………………………………………………………………………………………………..

7. How many days does a cold last?

………………………………………………………………………………………………………………………..

8. What symptoms does flu often cause?

……………………………………………………………………………………………………………………………

9. How long does flu last?

……………………………………………………………………………………………………………………………..

10. When someone gets colds, what measures should be used instead of painkillers?

………………………………………………………………………………………………………………………..

#Tiếng anh lớp 7

0

HN

Hồ Nguyễn Duy Bảo

27 tháng 1 2023

Colds and flu are caused by viruses. The infections are contagious, passed on by tiny droplets and hand contact. There are hundreds of different types of virus that can cause cold, which explains why children get repeated colds. Flu is caused by the influenza virus. There are three major types: A (often the cause of flu epidemics), B and C. The flu virus is constantly changing its structure, so new strains appear each year. We don’t have immunity to the new strains, which is why we can catch...

Đọc tiếp

Colds and flu are caused by viruses. The infections are contagious, passed on by tiny droplets and hand contact. There are hundreds of different types of virus that can cause cold, which explains why children get repeated colds. Flu is caused by the influenza virus. There are three major types: A (often the cause of flu epidemics), B and C. The flu virus is constantly changing its structure, so new strains appear each year. We don’t have immunity to the new strains, which is why we can catch flu repeatedly. Anyone can catch a cold or flu. The peak season for colds is the colder winter months, not only because of the weather but because central heating dries out the normally moist nasal mucosa-an important defense against invading viruses. However, you can catch a cold at any time of the year; one particular type of cold virus thrives in the summer. Flu rarely occurs outside November to February in the UK. A cold causes a stuffy or runny nose, sneezing, sore throat, cough, mild fever and tiredness, lasting from two to four days. Flu is more severe with a high fever (usually 39^oC or above), chills, headache, intense muscle pains, exhaustion, loss of appetites, cough and sometimes a blocked nose and sore throat. It may last a week or more and possible complications include pneumonia. Most cold don’t last long and need no specific treatment other than painkillers and simple measures such as decongestant rubs or vaporizers. Antibiotics are of no benefit. Zinc supplements may help to settle a cold more quickly. Children with flu can be given similar treatments, with lots of rest, medicine to bring down any fever and plenty of fluids to avoid dehydration. Lowering the temperature in the room can also be helpful when someone has a fever. Specific antiviral treatments for flu are now available, but generally these are only given to those at high risk of flu complications.

1. What are cold and flu caused by?

…………………………………………………………………………

2. Why do children get repeated colds?

……………………………………………………………………………

3. How many influenza viruses is flu caused by? What are they?

………………………………………………………………………………………………………….

4. Who can catch a cold or flu?

…………………………………………………………………………………………………………..

5. Which season do people usually get cold the most in the year?

……………………………………………………………………………………………………………

6. What symptoms do colds often cause?

………………………………………………………………………………………………………………..

7. How many days does a cold last?

………………………………………………………………………………………………………………………..

8. What symptoms does flu often cause?

……………………………………………………………………………………………………………………………

9. How long does flu last?

……………………………………………………………………………………………………………………………..

10. When someone gets colds, what measures should be used instead of painkillers?

………………………………………………………………………………………………………………………..

#Tiếng anh lớp 8

1

PV

Phạm Vĩnh Linh

27 tháng 1 2023

1 By viruses

2 Because there are hundred types of viruses that can cause cold

3 There are three: A (often the cause of flu epidemics), B and C

4 Anyone can catch a cold or flu

5 Winter

6 A cold causes a stuffy or runny nose, sneezing, sore throat, cough, mild fever and tiredness

7 It lasts from two to four days.

8 Flu is more severe with a high fever (usually 39^oC or above), chills, headache, intense muscle pains, exhaustion, loss of appetites, cough and sometimes a blocked nose and sore throat.

9 It may last a week or more

10 Decongestant rubs or vaporizes

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HD

Hà Dương

10 tháng 7 2017

Read the passage and fill in the gaps with the suitable words: Mrs Lan, 54 years old (1)...on a plane, a Boeing 727. Her (2)...is very special. Lan's front door is at the top of the plane's steps, but you (3)... need a ticket when you come in. There are three bedrooms, a living room, a modern kitchen and a bathroom. The bathroom has the bath under the windows. (4)... to this is Lan's bedroom. Then there is the living room (5)...four emergency exit doors, which she opens in summer evenings. On...

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#Tiếng anh lớp 6

1

LD

Linh Diệu

10 tháng 7 2017

Read the passage and fill in the gaps with the suitable words:

Mrs Lan, 54 years old (1).IS..on a plane, a Boeing 727. Her (2).HOME..is very special. Lan's front door is at the top of the plane's steps, but you (3).DON'T.. need a ticket when you come in. There are three bedrooms, a living room, a modern kitchen and a bathroom. The bathroom has the bath under the windows. (4)..NEXT. to this is Lan's bedroom. Then there is the living room (5)WITH...four emergency exit doors, which she opens in summer evenings. On the (6).WALL..there is a photo of aa plane flying from Florida to the Caribean. There are also four toilets, all with No Smoking signs. "The plane is 27 years old and it's the best home(7)IN...the world", says Lan, "It has all the(8).THINGS..you want in a home: a telephone, air conditioning, a cooker, a washing machine, even a dishwasher. It's always very warm, even in winter, and it;s very bis 42 meters long. My grandchildren love(9)..RUNNING.up and down. And my friends love parties(10).HERE.."

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TD

Tử Đằng

10 tháng 7 2017

:"V Hình như đây là dị bản của 1 bài đọc trong sách New headway elementary

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LQ

Lê Quỳnh Anh

15 tháng 1 2019

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42. Whales are the largest animals in the world, and the gentlest creatures we know. Although the whale is very huge, it is not hindered at all by its size when it is in the water. Whales have tails that end like flippers. With just a gentle flick, it can propel itself forward. The skin of a whale is so smooth that it does not create any...

Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42.

Whales are the largest animals in the world, and the gentlest creatures we know. Although the whale is very huge, it is not hindered at all by its size when it is in the water. Whales have tails that end like flippers. With just a gentle flick, it can propel itself forward. The skin of a whale is so smooth that it does not create any friction that can slow the whale down. A whale’s breathing hole is located on the top of its head, so it can breathe without having to completely push its head out of the water. Whales are protected from the cold seawater by body fat that is called blubber.

Whales live in the ocean but, in terms of behaviours, they are more similar to humans than fish. They live in family groups and they even travel in groups when they have to migrate from cooler to warmer waters. The young stay with their parents for as long as fifteen years. Whales are known not to desert the ill or injured members; instead, they cradle them.

When whales are in danger, there are people who go to great lengths to help them. One such case occurred in 1988, when three young whales were trapped in the sea. It was close to winter and the sea had begun to freeze over. Whales are mammals that require oxygen from the air, so the frozen ice was a great danger to them. All they had then was a tiny hole in the ice for them to breathe through. Volunteers from all over soon turned up to help these creatures. They cut holes in the ice to provide more breathing holes for the whales. These holes would also serve as guides for the whales so that they could swim to warmer waters.

(Adapted from http://www.englishdaily626.com?reading_comprehension)

According to the passage, why was the frozen ice on the sea surface a danger to whales?

A. Because they couldn’t swim in icy cold water.

B. Because they couldn’t eat when the weather was too cold.

C. Because whales couldn’t breathe without sufficient oxygen.

D. Because the water was too cold for them as they were warm-blooded.

#Mẫu giáo

1

DH

Dương Hoàn Anh

15 tháng 1 2019

Đáp án C

Because whales couldn’t breathe without sufficient oxygen.

“Whales are mammals that require oxygen from the air, so the frozen ice was a great danger to them.” Dịch: cá voi là động vật có vú, chúng cần oxy từ không khí để sống, do đó băng là mối đe dọa đối với chúng.

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L

lenguyenthienlam

16 tháng 2 2022

READ AND WRITE.

This is my living room. There are many things in the room. There are two windows and one door.There are a sofa, a desk and eight chairs. There is a lamp on the desk and a TV on the copboard. There are four pictures and two fans on the walls.

1. How many doors are there in the living room?

2. How many windows are there?

3. How many chairs are there?

4. How many pictures are there?

5. How many fan are there?

#Tiếng anh lớp 3

2

NV

Nguyễn Viết Bảo Minh

16 tháng 2 2022

Đây là phòng khách của tôi. Có nhiều thứ trong phòng. Có hai cửa sổ và một cửa ra vào, có một ghế sofa, một bàn và tám ghế. Có một cái đèn trên bàn làm việc và một cái TV trên bo mạch chủ. Có bốn bức tranh và hai cái quạt trên tường.

1. Có 1 cửa

2. Có 2 cửa sổ

3. Có 1 cái ghế

4. Có 4 bức tranh

5. Có 2 cái quạt

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NV

Nguyễn Viết Bảo Minh

16 tháng 2 2022

sai thì thôi <3

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MT

muun Thỏ

8 tháng 5 2020

In Britain, the climate is not very good. There are very few hot days and it rains a lot. Because of this, people spend a lot of time at home. Generally, British homes have a lot of furniture in them, carpets on the floors and heavy curtains. Many houses in Britain are old. Many of them are over one hundred years old. Often, they do not have enough insulation and the heat goes out through the windows, the doors and up the chimney. Because of the climate, people in Britain have to spend a lot of...

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#Tiếng anh lớp 7

1

NT

Nguyễn Thùy Dung

5 tháng 4 2022

1. Britain rains alot.

2.Yes, there are.

3.Many houses in Britain are over a hundred years old.

4. Many houses has a ''central heating system".

5.People spend lots of time at home because of rainy days.

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LQ

Lê Quỳnh Anh

27 tháng 1 2018

Read the passage and write Yes or No.

This is my living room. There are many things in the room. There are three windows and a door. There is a table, six sofas and two chairs. There is a lamp on the table and a TV on the cupboard. There are two pictures, a fan and a clock on the wall.

#Tiếng anh thí điểm lớp 3

1

DH

Dương Hoàn Anh

27 tháng 1 2018

Đáp án là:

1. Yes

2. No

3. No

4. Yes

5. No

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LG

Lý Gia Hân

14 tháng 4 2019

KatyMy parents and I live in a large new apartment on the 9th floor of the Green Star Building which is right in the heart of Sydney, Australia. There is a living room, two bedrooms, a kitchen and a bathroom. It has a beautiful long balcony giving us a bird’s eye view of the city. It also has glass windows which let in plenty of sunlight. It is quite hot in summer and cold in winter, so our living rooms and all bedrooms are air-conditioned. There is a swimming pool located in the basement...

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#Tiếng anh lớp 8

2

LH

Lãnh Hàn Thiên Phương

12 tháng 7 2019

Because It is quite hot in summer and cold in winter, so Katy's house living rooms and all bedrooms are air-conditioned.

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LH

Lãnh Hàn Thiên Phương

12 tháng 7 2019

Because It is quite hot in summer and cold in winter, so Katy's house living rooms and all bedrooms are air-conditioned

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T1

tao 1234534

9 tháng 12 2021

1. How many windows in your class? A. are there B. there are C. there isn’t D. there aren’t2. My are on the second floor. A. parent’s room B. parents’ room C. room’s parents D. parents’s room3. Which word has three syllables? A. table B. telephone C. window D. bench4. Those pens and pencils. A....

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1. How many windows in your class?

A. are there B. there are C. there isn’t D. there aren’t

2. My are on the second floor.

A. parent’s room B. parents’ room C. room’s parents D. parents’s room

3. Which word has three syllables?

A. table B. telephone C. window D. bench

4. Those pens and pencils.

A. is B. are C. has D. have

5. meadows on the way.

A. There is B. There are C. There has D. There have

6. Is this your favorite class?

A. Yes, this is. B. No, there isn’t C. Yes, I think so. D. No, it doesn’t.

7. There are five people in family.

A. they B. their C. them D. theirs

8. Have you read on the internet.

A. yesterday’s news B. yesterday news C. yesterdays’ news D. news of the yesterday

9. Go and a bath!

A. wash B. make C. do D. have

10. Close the door ; it’s cold in here.

A. Φ B. up C. to D. have

#Tiếng anh lớp 6

1

HV

Hương Vy

9 tháng 12 2021

1. How many windows in your class?

A. are there B. there are C. there isn’t D. there aren’t

2. My are on the second floor.

A. parent’s room B. parents’ room C. room’s parents D. parents’s room

3. Which word has three syllables?

A. table B. telephone C. window D. bench

4. Those pens and pencils.

A. is B. are C. has D. have

5. meadows on the way.

A. There is B. There are C. There has D. There have

6. Is this your favorite class?

A. Yes, this is. B. No, there isn’t C. Yes, I think so. D. No, it doesn’t.

7. There are five people in family.

A. they B. their C. them D. theirs

8. Have you read on the internet.

A. yesterday’s news B. yesterday news C. yesterdays’ news D. news of the yesterday

9. Go and a bath!

A. wash B. make C. do D. have

10. Close the door ; it’s cold in here.

A. Φ B. up C. to D. have

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