Unit 10 : CONSERVATION - Hỏi đáp

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Humans impact the environment in several ways. Common effects include decreased water quality, increased pollution and greenhouse gas emissions, depletion of natural resources and contribution to global climate change. Some of these are the direct result of human activities, whereas others are secondary effects that are part of a series of actions and reactions.

Water Pollution

One of the biggest impacts humans have on aquatic systems is excess nutrient inputs. Nutrients, like nitrogen and phosphorus, are essential to the health and survival of aquatic plants and animals. However, humans introduce large quantities of nutrients, primarily through overuse of fertilizers. Too many nutrients can rapidly reduce water quality by causing overgrowth of certain bacteria and algae that use the oxygen necessary for other species to survive. Even more problematic is that these nutrients can be transported downstream to other streams, rivers and bays. Therefore, nutrients can reduce water quality in places far removed from where they were first introduced.

Air Pollution

The majority of air pollution is the result of human activities. For example, increased fossil fuel combustion from motor vehicles, industrial factories and power plants all pump large quantities of air pollutants, such as carbon monoxide, ozone and nitrous oxides, into the atmosphere. Other air pollutants, such as lead-based compounds, can lead to serious health effects like cancer, or other types of reproductive effects and birth defects.

Climate Change

According to the U.S. Environmental Protection Agency, human activities are largely responsible for an increase in temperature around the globe, primarily due to carbon dioxide and other greenhouse gas emissions. This increase in temperature is leading to changes in where crops can grow and where certain fish or animals can be found, all vital for feeding an increasing human population. The rise in global temperatures is also causing glaciers to melt, releasing water that causes sea levels to rise and threaten coastal communities and economies that rely on coastal resources.

Solutions

There are several simple things that people can do on a daily basis to minimize their impact on the environment. For example, taking public transportation, biking or walking instead of driving will reduce carbon dioxide emissions. Reducing the amount of fertilizer applied to lawns, gardens and vegetables will lessen the likelihood of water pollution nearby, which is also beneficial for drinking water and human health. Using less energy in the home can lessen the amount of pollution put into the air by coal burning power plants. Any activity which reduces water and energy consumption can lead to positive impacts on our environment.

1. Someone broke his windows last night.

-> His windows was broken last night

2. The police didn’t find the lost boy yesterday.

-> The lost boy wasn't found yesterday

3. About thirty million people are watching this live show now.

-> This live show is being watched by about thirty million people now

4. Jack has typed the article recently.

->The article have been typed recently by Jack

5. The police haven’t found the murderer yet.

-> The murderer hasn't been found yet.

6. Children should treat old men with respect.

-> Old men should be treated with respect.

7. The computer can do all the accounts.

-> All the accounts can be done by the computer

8. No one told us the news

->We were not told the news.

9. Paul didn't tell me the ending of the story

->I wasn't told the ending of the storey by Paul

10. Her mother bought her a doll last week

->She was bought a doll by her mother last week.

1/The newspapers are delivered every morning
2/The letter is often written to me

3/That noise was made by the boy

4/Rice isn't grown along the river

5/The wine wasn't opened for the party

6/Are the lessons prepared carefully by these students?

7/Was your exercise done perfectly?

8/He is being given the details of the talk

9/The floor was being cleaned at that time

10/His daughter has just been taken to the dentist

11/She hasn't been called yet

12/English has to be spoken in the club

13/The phone might be used at night

14/My house can be seen from the park

15/Your exercises must be done carefully

- Change these sentences into passive voice:

1. John delivers the newspapers every morning.

=> The newspaper is delivered by John ever morning.

2. My sister often writes letter to me

=> Letters are often writeen to me (by my sister).

3. The boy made that noise

=> That noise is made (by the boys).

Chuyển thành câu chủ động

1. Can English be spoken at the club?

-> Can they speak English at the club ?

2. I am not invited to the parties very often.

-> They don't invite me to the parties very often

3. Many new roads are being built in this city.

-> They are building many new new roads in this city

4. Tree are grown well in this soil

-> They grow trees well in this soil

1.Can they speak English at the club?

2.They don't invite me to the parties very often

3.They are building many new roads in this city

4.They grow trees well in this soil

Đề : Supply the correct form of the word in bold

1 I nearly dief of .......embarrassment.............. when he said that (embarrass)

2 The equator is an ...........imaginary......... line around the middle of the earth (Imagine )

3 The player all have .........confidence......... in their manager ( confident )

4 A .......charming............. country cottage with roses around the door (Charm)

5 They were ......eventual....................... rescued by helicopter ( event )

6 You can't really appeciate foreign literature in ..........translation................( translate )

7 Changes in public attitudes to ..................marriage......(marry)

8 Eva told me about their .............relatives............ in confidence (relate)

Đề : Rewrite the following sentences so that the second sentences means nearly the same as the first one

1 People think that Smith is in the England

.............................Smith is thought to be in the England.........................................

2 People believe that Smith left England last week

.................Smith is believed to left England last week.........................................................

3 People thoaght Sue had paid too much

...........sue was thought to have paid too much.................................................................

4 The police thought that the thief was still in the house

........................the thief was thought to be still in the housse..........................................................

5 Everyone knows the portrait was painted by an Italia

...................the portrait is know to be painted by an I talia...............................................................

6 The portait is known to have been painted by an Italia

...................the portrait is know to be painted by an I talia........................................................................................

7 Mary is thought to be living in Scotland

........................People think Mary is living in scotland........................................................

8 Someone broke into our house

.....................Our house was broken into by someone......................................................

Có jk sai thì tha lỗi nhé !

Over the last years, many cities have grown in an unsystematic way. As a result, infrastructure of these cities are facing some problems. The best way to tackle this issue is to make careful plans for developing of these cities. In this essay I will look at the reasons why careful planning is so important and how they can positively impact on life in cities.

Firstly, it is common to see in many countries, especially in developed countries, a row of vehicles on the road that get stuck in traffic jam. The main reason for this is that infrastructure of roads in these countries are very dated and are not able to afford so much cars or other means of transport. If government improve the infrastructure of transport systems with a careful plan, there is no doubt that most of traffic problems will be reduced.

Secondly, we can observe a dramatic increase in the number of factories in many big cities which negatively affect to many aspects of the life there. What I meant by this is that factories in many cities were built in separate places and as a result factory pollution is spread all over the city. Although factories built in different places of the city can allow people to commute to work that are in short distance to their home, I think it is more advisable to relocate them to one place so as to accumulate all pollution in this place. Of course, it does not mean that any measures must not be taken to completely reduce pollution in this place in order to provide safer work conditions for workers.

To sum up, careful planning plays an important role in the development of cities. While it can reduce significantly traffic congestion, it can also improve air quality there.

In this modern world, the rapid increase in the number of population and vehicles is a serious challenge for the governments across the world. To accommodate the maximum number of people and vehicles in a city they have to enhance the size of it. In this essay writer would like to discuss why careful planning is crucial when building a city.

To embark upon, first and foremost problem behind a broader city is that it causes deforestation. To make it clear, as they need more timber to build beautiful buildings and to make bigger cities they need more space so they grab the space of wild animals, so scientific planning is necessary. More importantly, this devastation of trees can cause air pollution so they should not imbalance natural habitat to build a huge city. Apart from this, they should have a proper waste management system most of the cities are facing this catastrophic problem such as recycling units and disposal units in the city.

Furthermore, the government needs to plan well when building a city. As we know there are many sophisticated cities that struggle with the inefficient drainage system, such as Bombay, Tokyo and the like. Moreover, narrow roads can cause traffic congestion and it is impossible for them to reconstruct a city after building it. In addition to this, modern cities should be well connected with other major cities through seaways as well as road and airways. The cities have many visitors not only as visitors but also for trading and for dwelling so modern cities should be big enough to accommodate more people. Moreover, these should have ultra modern facilities such as schools, colleges and hospitals.

To conclude, in this era most of the countries development are mainly concentrated in their cities so it is quite necessary to have a developed city but, these developments should be scientific.
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1;took

2;was

3;are being marked

I took the final exam last week. It was difficult. The papers are marking now.