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Mua vip
TC
Thái Cảnh Thuận
11 tháng 5 2016 - olm

A building is 24 m long . The bottom of the ladder is 10m away from the foot of the building . Find the length of the ladder ?

Bốn gợi ý:

A) 12m

B)24m

C)26m

D)8m
#Toán lớp 5
1
FI
Flower in Tree
22 tháng 12 2021

A building is 24 m long . The bottom of the ladder is 10m away from the foot of the building . Find the length of the ladder ?

Bốn gợi ý:

A) 12m

B)24m

C)26m

D)8m

Đúng(0)
L
lucynastu
26 tháng 12 2016 - olm

A rectangular garden is 25.04m long, the width is 3/4 of the length. Find the perimeter of the garden?
#Toán lớp 5
5
NM
Nguyễn Mai Trang
26 tháng 12 2016

Chịu đó

abc

?

Đúng(0)
S
sakura
26 tháng 12 2016

Đề bài : một khu vườn hình chữ nhật có chiều dài 25,04 m, chiều rộng bằng 3/4 chiều dài . Tính chu vi của khu vườn đó.

Bài giải :

Chiều rộng khu vườn là :

25,04 x 3/4 = 18,78 ( m )

Chu vi của khu vườn là :

(18,78 + 25,04) x 2 = 87,64 ( m )

Đáp số : 87,64 m

đúng thì k mình nha

Đúng(0)
T
Takao
8 tháng 11 2017 - olm
Lesson 1: Trapezoid sheet has a large bottom 2.8dm, baby bottom 1.6dm, height 0.8dm.a) Calculate the area of the cardboard?b) Cut a quarter of the area. Calculate the area of the cardboard remaining?Lesson 2: ABCD rectangle with DC length = 27cm, AD = 20.4cm. E is a point on AB. Calculate the area of the triangle ECD?Lesson 3: (HSKG): A trapezoidal field with a baby bottom 26m, the bottom is 8m lower than baby, the bottom is 6m lower. Average 100m2 harvested 70.5 kg paddy. How much is the field...
Đọc tiếp

Lesson 1: Trapezoid sheet has a large bottom 2.8dm, baby bottom 1.6dm, height 0.8dm.
a) Calculate the area of the cardboard?
b) Cut a quarter of the area. Calculate the area of the cardboard remaining?
Lesson 2: ABCD rectangle with DC length = 27cm, AD = 20.4cm. E is a point on AB. Calculate the area of the triangle ECD?
Lesson 3: (HSKG): A trapezoidal field with a baby bottom 26m, the bottom is 8m lower than baby, the bottom is 6m lower. Average 100m2 harvested 70.5 kg paddy. How much is the field harvested?
#Toán lớp 5
6
TM
thai my phung
8 tháng 11 2017

i don't no

please write Vietnamese​

​

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T
Takao
8 tháng 11 2017

I can't

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NH
Nguyễn Hồ Thảo Nguyên
6 tháng 5 2020 - olm

four faces of the cuboid fish tanks are made of 72 dm2 of glass(the bottom and the top face are not included).find the area of the bottom face of the fish tank,given that it's height is 3 dm and the diffrence between the length and the width is 2.5 dm.giúp mik nha

 

 
#Toán lớp 5
0
LT
Lê Thị Mỹ Duyên
9 tháng 4 2017

Give the correct form of the capital words.

1. The Red river is 1.200 kilometers .......... ( LENGTH )

2. Ba is the ....... student in the class. ( TALL )

3. The building is 500 years ........ ( OLDEST )
#Tiếng anh lớp 6
5
WM
Wendy Marvell
9 tháng 4 2017

1. long

2. tallest

3. old

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CN
cô nàng cute
9 tháng 4 2017

1: long

2:tallest

3:old

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DN
Đạt Nguyễn
21 tháng 10 2016
Viết lại câu giúp mình với........1. Nam couldn’t reach the window because of the length of the ladder.ªThe ladder..........................................................................................................................................2. Who does this car belong to?ªWho is the................... ......................................................................................................................3.When I was young, my family usually lived on the...
Đọc tiếp

Viết lại câu giúp mình với........

1. Nam couldn’t reach the window because of the length of the ladder.

ªThe ladder..........................................................................................................................................

2. Who does this car belong to?

ªWho is the................... ......................................................................................................................

3.When I was young, my family usually lived on the farm.

ªMy family...............................................................................................................
#Tiếng anh lớp 8
2
NN
Nguyễn Như Nam
21 tháng 10 2016

1. Nam couldn’t reach the window because of the length of the ladder.

=> The ladder wasn't long enought to reach the window.

2. Who does this car belong to?

=> Who is the owner of this car?

3.When I was young, my family usually lived on the farm.

=>My family used to live on the farm when I was young.

Đúng(0)
NT
Nguyễn Trần Thành Đạt
21 tháng 10 2016

1. Nam couldn’t reach the window because of the length of the ladder.

The ladder wasn't long enough to reach the window.

2. Who does this car belong to?

Who is the owner of this car?

3.When I was young, my family usually lived on the farm.

My family used to live on the farm when I was young.

Đúng(0)
LQ
Lê Quỳnh Anh
22 tháng 4 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 35 to 42. The green building movement, started in the 1970s as a way to reduce environmental destruction, is changing the way buildings are constructed. In the early years, green builders were a small minority, and their goals of reducing the environmental impact of buildings were considered unrealistic. Now, however, the movement is growing, as builders...
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 35 to 42.

The green building movement, started in the 1970s as a way to reduce environmental destruction, is changing the way buildings are constructed. In the early years, green builders were a small minority, and their goals of reducing the environmental impact of buildings were considered unrealistic. Now, however, the movement is growing, as builders have been able to take advantage of new technology.

Green builders try to make use of recycled materials, which means less waste in dumps. Also, they reduce environmental impact by reducing the energy requirements of a building. One way is to provide an alternative, non-polluting source of energy. First, with solar panels, it is possible to produce electricity from the rays of the sun. Once installed, they provide energy at no cost and with no pollution.

Another solution is to reduce the amount of energy required in a building. It is possible to cut electricity use noticeably by improving natural lighting and installing low-energy light bulbs. To reduce the amount of fuel needed for heating or cooling, builders also add insulation to the walls so that the building stays warmer in winter and cooler in summer.

One example of this advanced design is the Genzyme Center of Cambridge, the most environmentally responsible office building in America. Every aspect of the design and building had to consider two things: the need for a safe and pleasant workplace for employees and the need to lessen the negative environmental impact. 75 percent of the building materials were recycled materials, and the energy use has been reduced by 43 percent and water use by 32 percent, compared with other buildings of the same size.

In other parts of the world, several large-scale projects have recently been developed according to green building principles. One of these is in Vauban, Germany, in an area that was once the site of army housing. The site has been completely rebuilt with houses requiring 30 percent less energy than conventional ones. These houses, heated by special non-polluting systems, are also equipped with solar panels.

A larger project is under way in China. The first phase of this project will include houses for 400 families built with solar power, non-polluting bricks, and recycled wall insulation. In a second phase, entire neighborhoods in six cities will be built. If all goes well, the Chinese government plans to copy these ideas in new neighborhoods across China.

Green building ideas, on a small or large scale, are spreading. Individuals, companies, and governments are beginning to see their benefits. Not only are they environmentally friendly, green buildings improve living and working conditions and also save money in the long run.

(Adapted from “Advanced Reading Power” by Beatrice S. Mikulecky and Linda Jeffries)

Which of the following is NOT mentioned in paragraph 7 as a merit of green buildings?

A. Improving living conditions.

B. Proving more economical eventually. 

C. Being friendly to the environment.

D. Increasing work productivity.
#Mẫu giáo
1
DH
Dương Hoàn Anh
22 tháng 4 2019

Chọn đáp án D

Which of the following is NOT mentioned in paragraph 7 as a merit of green buildings?: Câu nào dưới đây KHÔNG được nhắc đến ở đoạn 7 như một lợi ích của cao ốc xanh?

A. Improving living conditions: Cải thiện điều kiện sống

B. Proving more economical eventually: Chứng minh đến cuối cùng (các cao ốc xanh) tiết kiệm hơn

C. Being friendly to the environment: Thân thiện với môi trường

D. Increasing work productivity: Tăng năng suất lao động

Dẫn chứng (đoạn 7): Not only are they environmentally friendly, green buildings improve living and working conditions and also save money in the long run: Không chỉ thân thiện với môi trường, các cao ốc xanh còn cải thiện điều kiện sống và làm việc, và tiết kiệm tiền về lâu dài.

Vậy ta thấy phương án “tăng năng suất lao động” không xuất hiện. Ta chọn đáp án đúng là D.

Đúng(0)
LQ
Lê Quỳnh Anh
9 tháng 10 2018
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 35 to 42. The green building movement, started in the 1970s as a way to reduce environmental destruction, is changing the way buildings are constructed. In the early years, green builders were a small minority, and their goals of reducing the environmental impact of buildings were considered unrealistic. Now, however, the movement is growing, as builders...
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 35 to 42.

The green building movement, started in the 1970s as a way to reduce environmental destruction, is changing the way buildings are constructed. In the early years, green builders were a small minority, and their goals of reducing the environmental impact of buildings were considered unrealistic. Now, however, the movement is growing, as builders have been able to take advantage of new technology.

Green builders try to make use of recycled materials, which means less waste in dumps. Also, they reduce environmental impact by reducing the energy requirements of a building. One way is to provide an alternative, non-polluting source of energy. First, with solar panels, it is possible to produce electricity from the rays of the sun. Once installed, they provide energy at no cost and with no pollution.

Another solution is to reduce the amount of energy required in a building. It is possible to cut electricity use noticeably by improving natural lighting and installing low-energy light bulbs. To reduce the amount of fuel needed for heating or cooling, builders also add insulation to the walls so that the building stays warmer in winter and cooler in summer.

One example of this advanced design is the Genzyme Center of Cambridge, the most environmentally responsible office building in America. Every aspect of the design and building had to consider two things: the need for a safe and pleasant workplace for employees and the need to lessen the negative environmental impact. 75 percent of the building materials were recycled materials, and the energy use has been reduced by 43 percent and water use by 32 percent, compared with other buildings of the same size.

In other parts of the world, several large-scale projects have recently been developed according to green building principles. One of these is in Vauban, Germany, in an area that was once the site of army housing. The site has been completely rebuilt with houses requiring 30 percent less energy than conventional ones. These houses, heated by special non-polluting systems, are also equipped with solar panels.

A larger project is under way in China. The first phase of this project will include houses for 400 families built with solar power, non-polluting bricks, and recycled wall insulation. In a second phase, entire neighborhoods in six cities will be built. If all goes well, the Chinese government plans to copy these ideas in new neighborhoods across China.

Green building ideas, on a small or large scale, are spreading. Individuals, companies, and governments are beginning to see their benefits. Not only are they environmentally friendly, green buildings improve living and working conditions and also save money in the long run.

(Adapted from “Advanced Reading Power” by Beatrice S. Mikulecky and Linda Jeffries)

According to the passage, which of the following statements about green buildings is TRUE?

A. They have only been built in technologically developed countries. 

B. They are gaining in popularity in different parts of the world. 

C. They are environmentally responsible constructions with gardens. 

D. They are more economical and produce no pollution.
#Mẫu giáo
1
DH
Dương Hoàn Anh
9 tháng 10 2018

Chọn đáp án B

According to the passage, which of the following statements about green buildings is TRUE?: Theo đoạn văn, câu nào dưới đây về các cao ốc xanh là ĐÚNG?

A. They have only been built in technologically developed countries: Chúng chỉ được xây dựng ở các quốc gia phát triển công nghệ

B. They are gaining in popularity in different parts of the world: Chúng đang trở nên phổ biến ở nhiều khu vực trên thế giới

C. They are environmentally responsible constructions with gardens: Chúng là những công trình thân thiện với môi trường có các khu vườn

D. They are more economical and produce no pollution: Chúng tiết kiệm hơn và không gây ô nhiễm

Dẫn chứng (đoạn 7): Green building ideas, on a small or large scale, are spreading: Các ý tưởng về cao ốc xanh ở quy mô to hay nhỏ đều đang lan rộng.

Dựa vào dẫn chứng trên cùng các ví dụ ta trong bài có thể thấy rằng cao ốc xanh đang ngày càng phổ biến ở nhiều nơi trên thế giới. Vậy chọn đáp án đúng là B.

Phương án A, C sai vì không được nhắc đến trong bài, phương án D sai vì các cao ốc xanh chỉ giảm thiểu ảnh hưởng đến môi trường chứ không phải “không gây ô nhiễm” hoàn toàn.

Đúng(0)
LQ
Lê Quỳnh Anh
17 tháng 9 2018
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.Forces other than damaging winds are also at work inside tornadoes. Sometimes, as the writhing, twisting funnel passes over a house, the walls and ceiling burst apart as if a bomb had gone off inside. This explosion is caused by the low air pressure at the center of a tornado.The pressure at the center of a tornado is usually 13 pounds per square...
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.

Forces other than damaging winds are also at work inside tornadoes. Sometimes, as the writhing, twisting funnel passes over a house, the walls and ceiling burst apart as if a bomb had gone off inside. This explosion is caused by the low air pressure at the center of a tornado.

The pressure at the center of a tornado is usually 13 pounds per square inch. However, inside the house, the air pressure is normal, about 15 pounds per square inch. The difference of 2 pounds per square inch between the inside and outside pressure may not seem like much. But suppose a tornado funnel passes over a small building that measures 20 by 10 by 10 feet. On each square inch of the building, there is 2 pounds of pressure from the inside that is not balanced by air pressure outside the building. On the ceiling, that adds up to an unbalanced pressure of 57, 600 pounds. The pressure on the four walls adds up to 172,800 pounds.

If windows are open in the building, some of the inside air will rush out through them. This will balance the pressure inside and outside the building. But if the windows are shut tightly, the enormous inside pressure may cause the building to burst.

Unfortunately, heavy rain and hail often occur in thunderstorms that later produce tornadoes. So people frequently shut all windows to protect their property. This may cause far worse damage later. For the same reason, tornado cellars must have an air vent. Otherwise, the cellar door might be blown out when a tornado passes over it.

Which of the following is the main topic of the passage?

A. How tornadoes can be prevented

B. When tornadoes usually occur

C. Where tornadoes are formed

D. Why tornadoes cause so much damage
#Mẫu giáo
1
DH
Dương Hoàn Anh
17 tháng 9 2018

Đáp án D

Đoạn văn hầu như đề cập đến những tác hại cũng như những đặc điểm gây hại của lốc xoáy à đáp án D phù hợp nhất với nội dung của bài (chủ đề chính của đoạn văn là “Tại sao lốc xoáy lại gây ra những sự phá hủy nghiêm trọng”)

Đúng(0)
LQ
Lê Quỳnh Anh
5 tháng 2 2018
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 35 to 42. The green building movement, started in the 1970s as a way to reduce environmental destruction, is changing the way buildings are constructed. In the early years, green builders were a small minority, and their goals of reducing the environmental impact of buildings were considered unrealistic. Now, however, the movement is growing, as builders...
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 35 to 42.

The green building movement, started in the 1970s as a way to reduce environmental destruction, is changing the way buildings are constructed. In the early years, green builders were a small minority, and their goals of reducing the environmental impact of buildings were considered unrealistic. Now, however, the movement is growing, as builders have been able to take advantage of new technology.

Green builders try to make use of recycled materials, which means less waste in dumps. Also, they reduce environmental impact by reducing the energy requirements of a building. One way is to provide an alternative, non-polluting source of energy. First, with solar panels, it is possible to produce electricity from the rays of the sun. Once installed, they provide energy at no cost and with no pollution.

Another solution is to reduce the amount of energy required in a building. It is possible to cut electricity use noticeably by improving natural lighting and installing low-energy light bulbs. To reduce the amount of fuel needed for heating or cooling, builders also add insulation to the walls so that the building stays warmer in winter and cooler in summer.

One example of this advanced design is the Genzyme Center of Cambridge, the most environmentally responsible office building in America. Every aspect of the design and building had to consider two things: the need for a safe and pleasant workplace for employees and the need to lessen the negative environmental impact. 75 percent of the building materials were recycled materials, and the energy use has been reduced by 43 percent and water use by 32 percent, compared with other buildings of the same size.

In other parts of the world, several large-scale projects have recently been developed according to green building principles. One of these is in Vauban, Germany, in an area that was once the site of army housing. The site has been completely rebuilt with houses requiring 30 percent less energy than conventional ones. These houses, heated by special non-polluting systems, are also equipped with solar panels.

A larger project is under way in China. The first phase of this project will include houses for 400 families built with solar power, non-polluting bricks, and recycled wall insulation. In a second phase, entire neighborhoods in six cities will be built. If all goes well, the Chinese government plans to copy these ideas in new neighborhoods across China.

Green building ideas, on a small or large scale, are spreading. Individuals, companies, and governments are beginning to see their benefits. Not only are they environmentally friendly, green buildings improve living and working conditions and also save money in the long run.

(Adapted from “Advanced Reading Power” by Beatrice S. Mikulecky and Linda Jeffries)

Which of the following does the passage mainly discuss?

A. New technologies applied to constructing office buildings. 

B. Successful green building projects all over the world. 

C. An environmentally friendly approach to constructing buildings. 

D. Economic benefits of environmentally responsible buildings.
#Mẫu giáo
1
DH
Dương Hoàn Anh
5 tháng 2 2018

Chọn đáp án C

Which of the following does the passage mainly discuss?: Câu nào sau đây là nội dung chính của đoạn văn?

A. New technologies applied to constructing office buildings: Các công nghệ mới được áp dụng vào xây dựng các tòa nhà văn phòng

B. Successful green building projects all over the world: Các dự án cao ốc xanh thành công trên toàn thế giới

C. An environmentally friendly approach to constructing buildings: Một cách tiếp cận thân thiện với môi trường trong việc xây dựng các tòa nhà

D. Economic benefits of environmentally responsible buildings: Lợi ích kinh tế của các tòa nhà thân thiện với môi trường

Ta thấy đoạn đầu bài văn nói về việc phong trào xây dựng các cao ốc xanh đang phát triển còn các đoạn văn sau phân tích chi tiết việc các nhà xây dựng đã và đang cố gắng xây dựng các tòa nhà thân thiện với môi trường. Như vậy đáp án đúng ở đây là C.

Các phương án còn lại hoặc quá chi tiết hoặc chưa nêu ra được đối tượng chính là xây dựng các tòa nhà thân thiện với môi trường.

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