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19 tháng 4 2018
Có một thùng dầu không đầy. một phần của thùng không có dầu. Sau khi đổ 8L dầu vào thùng, phần dầu được tính bằng 1/2 phần dầu không có dầu. Có bao nhiêu lít dầu đã làm mà thùng có lúc đầu? (thử dùng Google Dịch đi bạn!) Sorry nha mình không biết làm câu này!
19 tháng 4 2018

DịchCó một thùng dầu chưa đầy. một phần thùng mà không có dầu. Sau khi đổ 8L dầu vào thùng, phần dầu đếm được 1/2 phần nhiều mà​ không có dầu. Có bao nhiêu lít dầu đã làm thùng đó lần đầu tiên?

7 tháng 3 2017

mù tiếng anh thi toán tiếng anh làm gì vậy

4,8 l nặng 3,648kg. Hỏi cần mấy lit để nặng 4,864kg dầu hỏa?

Đáp án 6,4 lít

14 tháng 4 2018

there are 14 liter of oil in each can if they are filled equally.

mình trả lời đầu nè, k cho mình nha bạn :) 

11 tháng 8 2017

 8 liters of oil is filled in the first can ;

6 liters of oil is filled in the second can ;

how many liters are there in each can If they are filled equally?

anwer 7 liters

11 tháng 8 2017

Tạm dịch: Can thứ nhất có 8 lít dầu

Can thứ hai có 6 lít dầu

Hỏi có bao nhiêu lít dầu sau khi chia đều cho 2 can ?

Answer:

The number of liters of oil after equalization for two cans is:

(8 + 6): 2 = 7 (liter)

Answer: 7 liters of oil

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 34There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid...
Đọc tiếp

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 34

There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.

Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid and nitric acid. When it rains, these acids dissolve in the rain and turn it acidic. Acid rain is thought to be the worst pollution problem of all. It has (33)_________ aquatic life by turning many lake into lifeless bodies of water. In these areas, there is no limestone in the rocks to neutralize the acid rain naturally. One remedy is to pump limestone into the acidic lakes. (34)_________, it is not possible to do this on a large enough scale to save all the lakes.

Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the exhaust fumes build (35)_________ and pose a health hazard to human beings.

Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

A. However

B. Moreover

C. So

D. Because

1
25 tháng 5 2019

Đáp án A

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 35There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid...
Đọc tiếp

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 35

There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.

Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid and nitric acid. When it rains, these acids dissolve in the rain and turn it acidic. Acid rain is thought to be the worst pollution problem of all. It has (33)_________ aquatic life by turning many lake into lifeless bodies of water. In these areas, there is no limestone in the rocks to neutralize the acid rain naturally. One remedy is to pump limestone into the acidic lakes. (34)_________, it is not possible to do this on a large enough scale to save all the lakes.

Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the exhaust fumes build (35)_________ and pose a health hazard to human beings.

Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

A. on

B. in

C. up

D. over

1
12 tháng 10 2018

Đáp án C

Build on: tin cậy vào

Build up: tích tụ lại

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 33There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid...
Đọc tiếp

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 33

There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.

Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid and nitric acid. When it rains, these acids dissolve in the rain and turn it acidic. Acid rain is thought to be the worst pollution problem of all. It has (33)_________ aquatic life by turning many lake into lifeless bodies of water. In these areas, there is no limestone in the rocks to neutralize the acid rain naturally. One remedy is to pump limestone into the acidic lakes. (34)_________, it is not possible to do this on a large enough scale to save all the lakes.

Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the exhaust fumes build (35)_________ and pose a health hazard to human beings.

Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

A. destroyed

B. destroying

C. harming

D. harmed

1
11 tháng 4 2018

Đáp án A

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 32There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid...
Đọc tiếp

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 32

There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.

Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid and nitric acid. When it rains, these acids dissolve in the rain and turn it acidic. Acid rain is thought to be the worst pollution problem of all. It has (33)_________ aquatic life by turning many lake into lifeless bodies of water. In these areas, there is no limestone in the rocks to neutralize the acid rain naturally. One remedy is to pump limestone into the acidic lakes. (34)_________, it is not possible to do this on a large enough scale to save all the lakes.

Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the exhaust fumes build (35)_________ and pose a health hazard to human beings.

Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

A. forms

B. form

C. formed

D. forming

1
12 tháng 2 2019

Đáp án B

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 31There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid...
Đọc tiếp

Read the following passage and choose A, B, C, or D to indicate the correct word or phrase that best fits each of the following blanks. Fill in the appropriate word in question 31

There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills.

Factory chimneys give (31)_________ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (32)_________ sulfuric acid and nitric acid. When it rains, these acids dissolve in the rain and turn it acidic. Acid rain is thought to be the worst pollution problem of all. It has (33)_________ aquatic life by turning many lake into lifeless bodies of water. In these areas, there is no limestone in the rocks to neutralize the acid rain naturally. One remedy is to pump limestone into the acidic lakes. (34)_________, it is not possible to do this on a large enough scale to save all the lakes.

Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the exhaust fumes build (35)_________ and pose a health hazard to human beings.

Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

A. from

B. away

C. over 

D. out

1
7 tháng 11 2019

Đáp án D

Give away: cho

Give out: phân phối

Give over: vứt bỏ

countries -polluted-land-water rivers -people- garbage- sea Our oceans are becoming extremely (1).......... Most of this pollution comes from the land, which means it comes from(2)……………….First, there is raw sewerage, which is pumped directly into the sea. Many (3)…………….. developing, both developed and developing, are guilty of doing this. Secondly, ships drop about 6 million tons of (4) …………..into the sea each year. Thirdy, there are oil spills from ships. A ship has an accident and oil leaks...
Đọc tiếp

countries -polluted-land-water rivers -people- garbage- sea
Our oceans are becoming extremely (1).......... Most of this pollution comes from the land, which means it comes from(2)……………….First, there is raw sewerage, which is pumped directly into the sea. Many (3)…………….. developing, both developed and developing, are guilty of doing this. Secondly, ships drop about 6 million tons of (4) …………..into the sea each year. Thirdy, there are oil spills from ships. A ship has an accident and oil leaks from the vessel. This not only pollutes the (5)……………., but it also kills marine life. Next, there are waste materials from factories. Without proper regulations, factory owners let the waste run directly into the (6)……………… which then leads to the (7)…………... And finally, oil is washed from (8)……………… This can be the result of carelessness or a deliberate dumping of waste.

2
26 tháng 1 2019

countries -polluted-land-water rivers -people- garbage- sea
Our oceans are becoming extremely (1)....polluted...... Most of this pollution comes from the land, which means it comes from(2)………people……….First, there is raw sewerage, which is pumped directly into the sea. Many (3)………countries…….. developing, both developed and developing, are guilty of doing this. Secondly, ships drop about 6 million tons of (4) ………garbage…..into the sea each year. Thirdy, there are oil spills from ships. A ship has an accident and oil leaks from the vessel. This not only pollutes the (5)……water………., but it also kills marine life. Next, there are waste materials from factories. Without proper regulations, factory owners let the waste run directly into the (6)………rivers……… which then leads to the (7)……sea……... And finally, oil is washed from the(8)……land………… This can be the result of carelessness or a deliberate dumping of waste.

29 tháng 3 2020

Our oceans are becoming extremely (1) polluted Most of this pollution comes from the land, which means it comes from(2) people. First, there is raw sewerage, which is pumped directly into the sea. Many (3)……countries……….. developing, both developed and developing, are guilty of doing this. Secondly, ships drop about 6 million tons of (4) …garbage………..into the sea each year. Thirdy, there are oil spills from ships. A ship has an accident and oil leaks from the vessel. This not only pollutes the (5)…water …., but it also kills marine life. Next, there are waste materials from factories. Without proper regulations, factory owners let the waste run directly into the (6)…river……… which then leads to the (7)…sea And finally, oil is washed from (8)…land…………… This can be the result of carelessness or a deliberate dumping of waste.