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As you know, sources of energy like solar energy, wind energy,.. are very important. People use them for many things:cooking, heating,ect...But, almost the sources of energy have the disadvantages and advantages. There are two kinds of energy:non-renewable and renewable energy. Non-renewable is very popular in many countries. They are abundant, available and easy to use. However, they won't last forever and they're harmful for the environment. And, people will use renewable energy to solve the problems of non-renewable energy. Renewable sources of energy are forever and they're clean and safe, too. Nevertheless, they have some problems, too. For example, nuclear is clean but it's dangerous to use. Wind power has many advantages but it isn't available,... On the other hand, there are some sources of energy don't have some serious problems like solar energy. It's the reason why people use solar energy in the future. So, what should we do to save energy? We should use them properly and use them less. We should use less cars or motorbike, too. It also have the enviroment. Energy is very important, we should protect them for our life in the future.
Renewable energy comes from a source that will not deplete. Two common examples of this type of energy are solar power and wind power. Geothermal power, hydropower, biomass, and tidal power are additional forms of renewable energy that produce power for our planet right now.
The primary advantage of renewable energy is that fewer potentially harmful emissions are released into the atmosphere. Although fossil fuels are used to create the products that allow for this power to be produced, most forms of renewable energy can become carbon neutral in 5 years or less.
The disadvantage of renewable energy is that it can be costly. Although wind power and solar power have become cost-competitive with coal-fired power and nuclear power in some communities, some forms are not cost-competitive globally yet when the cost per kilowatt hour is compared. In 2015, the lifetime cost per kilowatt hour of conventional coal was 9.5 cents, while the cost of offshore wind was 15.8 cents.
There are additional advantages and disadvantages of renewable energy to consider as well.
Renewable energy describes a collection of energy technologies i.e. solar, wind, geothermal derived from sources that are never-ending and can be replenished time after time. Most countries across the world heavily depend on fossil fuels (oil, coal andnatural gas) as sources of energy to power their economies.
Fossil fuels are non-renewable forms of energy, meaning, they utilize limited resources that will ultimately deplete, hence, driving up overall energy costs. These very countries have responded to the threat by stepping up campaigns to embrace renewable forms of energy like solar and wind
BẠN ƠI MK CHỈ GỢI Ý THÔI NHA
DỰA VÀO ĐÓ BẠN VIẾT NHA
TOPIC 1
Tell four rules you must obey when you are a road user
=> - Always look carefully where you go
- Use the pavement or footpath
- Walk across the street at the zebra crossing
- Wait for the traffic light to turn green before you cross the street
- Wear white or light-coloured clothes in the dark
- Give a signal before you turn left or right
TOPIC 2
Tell about your favourite film
- The name of the film
=> It's Boy Hood
-What kind of film is it ?
=> It's a school life film ( phim học đường)
-What is its plot ?
=> It's about school life and basketball competition between two schools
-Who does it star ?
=> It stars TFBOYS
-What have critics said about it ?
=> Crictics say it's a must see
TOPIC 3
Tell about a festival you attended
- What's the name of festival ?
=> It's Tet
- Where was it plot ?
=> It held everywhere in Viet Nam
- When was it held ?
=> It held in late January or early February
- Why was it held ?
=> It held to welcome the new year with the hopes for better things in the year to come
- How was it held ?
=> Vietnamese people do many activities to celebrate it such as cleaning and decorating their houses,cooking traditional food, visiting relatives and friends or going to the pagodas to pray health,happiness,....
TOPIC 4
Tell about sources of energy
- How many types of energy sources ?
=> There are two types of energy sources
- What are they ?
=> They are: renewable and non-renewable
- List some sources that are renewable. What are their advantages and disadvantages ?
=> some sources that are renewable: wind,solar,hydro,biogas,....
- List some sources that are non- renewable . What are their advantages and disadvantages ?
=> some sources that are non- renewable : coal,oil,petrol,....
TOPIC 5
Think a future means of transport
- What will it look like ?
=> It will look like a big magic box
- What kind of energy will it use ?
=> It will use solar energy
- Where can people use it ?
=> People can use it everywhere
- How fast can it travel ?
=> It can travel at 1570 kph
- How many people can it transport ?
=> It can transport 21 people
Renewable energy comes from a source that will not deplete. Two common examples of this type of energy are solar power and wind power. Geothermal power, hydropower, biomass, and tidal power are additional forms of renewable energy that produce power for our planet right now.
The primary advantage of renewable energy is that fewer potentially harmful emissions are released into the atmosphere. Although fossil fuels are used to create the products that allow for this power to be produced, most forms of renewable energy can become carbon neutral in 5 years or less.
The disadvantage of renewable energy is that it can be costly. Although wind power and solar power have become cost-competitive with coal-fired power and nuclear power in some communities, some forms are not cost-competitive globally yet when the cost per kilowatt hour is compared. In 2015, the lifetime cost per kilowatt hour of conventional coal was 9.5 cents, while the cost of offshore wind was 15.8 cents.
There are additional advantages and disadvantages of renewable energy to consider as well.