One percent of the solar energy that reaches the earth will be enough to provide electricity for the whole population of the world.. Solar energy will be used by many countries around th
Trang 1UNIT 10: SOURCES OF ENERGY Exercise 1 : Circle the best answer (A, B, C or D) for each question
1 I would like _ some fruit and vegetables.
2 I hate carrots and I don’t like peas, _.
3 She _ the beef into thin strips.
4 A balanced diet is very good your health.
5 I am looking forward _ you again.
6 Jack and Peter are playing basketball and is Tom.
7 My brother didn’t clean the floor last night but I .
Exercise 2 : Complete the sentences with the correct form of the words in brackets.
1 At this time tomorrow, what……… you……… (do)?
2 Next week, I……… (drive) from Hanoi to Danang You won’t able to contact
me for a couple of days
3 Please don’t call me after 11 p.m I………(sleep)
4 Tomorrow, I…… ………… (sit) in the same seat that I am sitting in now
5 I……….(not travel) with my brother through Europe because I don’t have enough money
Trang 26 My brother……….(not get) married any time soon He
Has no job and he doesn’t seem to want to do anything
7 We……… (ride) our bicycle around Hoan Kiem Lake from 6 a.m to 8 a.m tomorrow
Exercise 3 :Read the passage and answer the following questions.
My name is John, and this is my story Last year just before Christmas my family and our cousin and uncle and aunt decided to go to Perth for holiday We went in two cars but when we were about halfway there my uncle wanted to turn round and come back He said it was too far, and it was terribly hot too, one day it was 480C Even at night it was really hot Anyway, what we decided to do was to drive back about 160 km to a place where the train went through Then we put both cars on the train and we all went to Perth by train That was fun It was a good train We had a good time in Perth but we had to cut our holiday short You see, while we were there my grandmother (my mother’s mother) in Melbourne died Most of
us flew back but but my Dad and my uncle came on the train with the cars and then had to drive back to Melbourne from Port Pirie It was a really strange holiday because nothing went the way we planned it
1. When did John’s family go to Perth?
2. How did they go to Perth?
3. Why did John’s uncle decide to come back?
4. Who died when John’s family were on holiday?
Exercise 4 : Read the following passage and answer the questions
We are looking for cheap, clean, and effective sources of energy These types of energy won’t cause pollution or waste natural resources It will be provided freely by the sun
Trang 3One percent of the solar energy that reaches the earth will be enough to provide electricity for the whole population of the world Solar energy will be used by many countries around the world Solar panels will be placed on the roofs of houses and other buildings and the sun’s energy will be used to heat water The energy will be stored for a long time We hope that by using solar energy the problem of the energy shortage will be solved
1 What types of energy are we looking for?
2 What will we use the sun’s energy for?
3 How long will the energy be stored?
Exercise 5 : Read the passage and tick (√) True or False.
Energy is fundament to human beings Many poor people in developing countries do not have modern sources of energy like electricity or natural gas, with which their life can be improved
People who live in mountainous areas have to gather wood for fuel This takes a lot of time For many people living in rural areas, biogas is the largest energy resource available The main use of biogas is for cooking and heating, but it can also provide energy for public transport As biogas is smoke-free, it helps the problem of indoor air pollution Moreover, it
is made from plant waste and animal manure They cost almost nothing
The tendency to use renewable energy sources in developing sources in developing countries
is on the increase as non-renewable ones are running out In the future, the wind and the sun will be uses as the most important environmentally friendly energy sources
1 Non-renewable sources are being used up
2 Many poor people in developing countries do not have little
electricity
3 Biogas is a new source of energy available for poor people
4 Biogas creates a lot of smoke
5 The new energy source is not costly
Trang 4Exercise 6 Read the passage and decide if the statement is True or False.
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 send a lot of money on heating Many houses have special system called “central heating” The heats all the rooms and, at the same time, heats the hot water Houses without central heating often have gas, electric or coal fires The rooms in most British houses are quite small
New houses are much better They have two layers of glass in the windows to stop the heat going out
1 Why do British people spend a lot of time at home ?
A Because the climate is not very good
B Because they don’t know where to go
C Because the climate is very good
D Because they want to stay at home
2 The heat goes out of the houses through
A the windows, the doors and up the chimney
B the windows and up the chimney
C the doors and up the chimney
D the walls and up the chimney
3 Because of _, people in Britain have to spend a lot of money on heating
A cold weather
B cool weather
C hot weather
D bad weather
4 Houses without central heating often have
A only coal fires
B gas or coal fires
C electric or coal fires
D gas, electric or coal fires
5 New houses usually have in the windows to stop the heat going out
A only layer of glass
B two layers of glass
C three layers of glass
D two or three layers of glass
Exercise 7 Change the sentences into the passive voice.
1 We will use less electricity in the future
→ Less electricity………
2 The students in my school will use public transport when travelling long distances
→ Public transport
Trang 53.I will turn off the lights when leaving a room or going to bed.
→ Thelights……… ……… ………….……
4 Wind power will offer a great deal of energy next century
→ A great deal of energy ………
5 We will use sources of energy more effectively for our future
→ Sources of energy……… ………
6 People in the countryside will increase the use of biogas for cooking
→ The use of biogas ……….………