6 Progress Check
6
4 If you
3
11.5.2] Fill in: integrate, eliminate, fluctuate,
outweigh, generate, pump, compress, utilise,
expand, store.
1 The environmental benefits of renewable
energy
the financial cost.
2 Is there a better way to
.. energy
than inside batteries?
3 They use wind power to
electricity.
the air, you can fit more
inside the chamber.
5 We're trying to ...
the problems in
the system.
6 We the water to a higher point and
collect the energy as it runs back down again
7 The amount of energy our solar panels produce
can
by as much as 90%
depending on the weather.
8 You need to
all the data available
to you to come to an informed conclusion.
9 The air will
as you heat it
because the molecules vibrate faster.
10 The new smart technology helps us
lots of different energy sources into one grid.
10x2=20 marks​

Travelling is very popular nowadays. a lot of people travel  to different countries if they have such opportunity. travelling allows you to get interesting experience, learn about people’s life in other countries and continents. i think it is very interesting to discover new things, new places and different ways of life. while on travel, you meet new people, try different meals; see world famous places with your own eyes. these are many ways of traveling — by train, by plain, by ship, on foot. if you want to visit a far country, you’ll definitely choose a flight. if your aim is to see many countries for a short time, you’ll choose travelling by bus or by car. if you want to be closer to nature, you may choose a trip on foot. lots of people nowadays live in big cities. so it’s natural that they want to have a holiday by the sea or in the mountains with nothing to do but relaxing. there is other sort of travellers. they want to visit as many countries as possible. so after exploring europe and north america they go to exotic countries. people who travel a lot, are very interesting, they always have a good story to tell. thanks to them you can learn many things which you didn’t know before. they motivate to see something new, to explore the world, which is so easy to do nowadays. any kind of travel helps you to understand many things that you would never see or learn at home.

1. Yesterday was a beautiful Sunny day.
2. When Ken was a student, he usually every week went to the library.
3. Who invented the TV?
4. Yesterday George rested. He watched TV, then read an interesting paper, and at half past ten went to bed.
5. - You lived and worked in Madrid in 1986?
- Yes.
6. - When was the last time you were in a Museum?
- In the past year.
7. He created his business 20 years ago.
8. Sam didn't go to work yesterday because he was sick.
9. Why didn't you phone yesterday when I called you? You weren't home?
10. The letter came yesterday, right? Who brought it?