Decide whether the following statements are true (T), false (F), or not given (NG). Tick the correct box.

Almost all the energy on the earth comes from the sun. Heat from the sun makes the earth warm enough for life. Plants use the sun's energy to live and grow. Plants give off a gas called oxygen. Animals eat plants and breathe oxygen. Animals need plants in order to live, and plants need the sun. You use plants to create heat and energy. You can burn wood from trees. You can burn fossil fuels called coal, gas, and oil. Fossil fuels formed deep underground from plants and animals that died millions of years ago.

The sun's energy can also do harm. Too much sunlight can burn your skin, causing sunburn. Harmful rays from the sun can also cause a disease called skin cancer. Looking right at the sun can harm your eyes. You need to be careful of the sun. The center of the sun is called the core, which is extremely hot. All the energy of the sun comes from the nuclear reactions in its core. It takes a long time for the energy from the core to reach the surface of the earth - about 170,000 years!

11. According to the passage, the sun is vital because ______ .

A. it has its hot core

B. plants live and grow better with the sun's energy

C. plants, animals and people need energy from the sun

D. fossil fuels will be used up and people turn to the sun's energy

12. Fossil fuels formed deep underground from______ .

A. heat from the sun

B. earth and rock

C. oil and gas

D. dead plants and animals

13. The title for this passage could be

A. "Energy from the Sun"

B. "Oxygen and Plants"

C. "Animals and Plants"

D. "The Sun and Fossil Fuels"

14. Harmful rays from the sun may cause ____________ .

A. fever

B. skin cancer

C. pain

D. headache

15. All of the following statements are NOT true EXCEPT

A. the sun's heat does no harm to people

B. looking right at the sun is a way to make your eyes better

Nearly 450.000 businesses are started in Britain every year. One-third of these stops trading during the first three years. Starting a business is never easy (3)_______ so many things are outside your control. If you are thinking about working for yourself, you must start by thinking about the qualities you need to (4)______a business. Be hard with yourself. If you have a weakness, it is better to find out now rather than later (5)________ your business could be in danger. Ask yourself whether you are a good (6)______. Is your health good? Are you good at making decisions? Do you have any practical experience of the business you want to start? Are you prepared to work long hours for very (7)_______money? If you cannot answer 'yes' to most of these questions, perhaps you should think again about starting up in business on your own.

3. A. because       B. but                   C. however          D. although

4. A. set               B. make               C. let                    D. run

5. A. who            B. that                  C. which              D. when

6. A. organizing   B. organizer         C. organization    D. organize

7. A. little            B. short                C. few                 D. much