roofs	garden	non - polluting	polluting
the moon	are	renewable	the Sun

   Solar energy is a long lasting source (0)..of.. energy, and it can be used almost anywhere. To generate solar energy, we only need solar cells and (1).....................! Solar cells can easily be installed on house (2) ................., so we don’t need any new space. Compared to other (3)...................... sources, they also possess many advantages: wind and water power rely on turbines which (4).................noisy, expensive and which take up large space. Solar cells are totally silent and (5).......................... As they have no moving parts, they require little maintenance and have a long lifetime.

Question 3

Taking photographs inside the museum is forbidden. (NOT)

   You ………………………………………

Students at university should attend classes (regular)………………….. and hand in his (assign) ………………… on time.

One Saturday night, the roads to the city centre are very busy. (TRAFFIC)

   There is……………………………………

IV. Read the following passage and choose the correct answer to each of the questions below.

   There are different ways to keep fit. One of the most important ways is by exercising. Exercising must be done regularly. The amount of exercise done each time is dependent on the free time that a person has. Exercises can be done from twenty minutes to an hour. Sometimes, daily five-minute exercises are just as effective.

   Exercising can take place both indoors and outdoors. Those who exercise indoors often do so in the comfort of gymnasiums. They train on equipment that has been specially designed for the different parts of the body. Sometimes, games can also be played indoors. Badminton courts and even some swimming pools are found indoors.

   There are many different types of outdoor exercises. These include tennis, cycling and even rock climbing. Most people enjoy outdoor activities because they like being in the Sun or are attracted to its sense of peace and quiet. Yet there are others who like the wind blowing against them. Some of these activities are only suitable for people who love adventure.

   The type of exercise a person takes up often depends on his lifestyle and personality. It is important that a person finds an exercise that is suitable for him.

According to the passage, why do some people spend less time exercising?

Which statement is TRUE according to the passage?

This sauce hasn’t got much flavour, has it? (TASTELESS)

   This sauce is………………………………………

“Recycling” means creating new products from……………. materials.