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Adventure in the air

The first ever balloon flight carrying passengers was made by the Montgolfier brothers in 1783. They used hot air to float the balloon over 1,000 metres up into the sky. Nowadays, people still fly in hot-air balloons but there is also a less well-known sport called “cluster ballooning”; instead of one big balloon, hundreds of small balloons are used.

Cluster ballooning was invented by a lorry driver called Larry Walters. Larry had wanted to fly using balloons for a long time. (1)_______________ It took almost 20 years, however, for his dream to finally come true. One day, Larry decided to do an experiment: he wanted to try flying a few metres above his garden. So he bought 45 balloons, filled them with gas called helium, and tied them to a chair. Then he cut the rope that was holding the chair to the ground. (2)_________________ The chair, with Larry sitting in it, floated several kilometres into the sky rather than just a few metres!

The wind was blowing strongly and Lary began to float out toward the sea. Things were getting dangerous. Then, to make matters even worse, the wind changed, and the balloons started to blow towards the local airport. Lary felt very worried. (3)__________________ The story of Lary’s flight was all over the news and this is how the adventure sport of cluster ballooning was born.

One experienced cluster balloonist, Leo Burns, flew his cluster balloons over the largest range of mountains in Europe – The Alps. This wasn’t his first flight, though. Leo had got his pilot’s licence several years before, so was already used to flying. (4) ___________________ According to Leo, there is no better way to fly. “Cluster ballooning’s amazing,” he says, “The balloons are usually completely silent. (5)______________ They weren’t as safe as modern cluster balloon either.”

   A.  He knew this would make him feel very afraid.

   B. The old-fashioned hot-air balloons made a horrible noise.

   C. In fact, he was just a boy when he first started thinking about it.

   D. Luckily, he landed safely after a couple of hours.

   E. They are also much less dangerous.

   F. However, there was an unexpected problem.

   G. But these days, he prefers to use balloons.

   H. Immediately after that, he tried to learn how this would be possible.

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I. Read the text below and choose the correct word for each space.

HOT-AIR BALLOONS

A hot-air balloon consists of three basic parts. The large balloon is (13) ................ as the “envelope” and is made of nylon - the same material used to produce kites, sails and sleeping bags. There are burners under the envelope to heat the air inside and finally a basket (14) ................ the passengers stand. From this (15) ................ the passengers can enjoy the views of the countryside below.

(16) ................ understand what allows the balloon to lift into the air you must know about “convection” or heat transfer. The scientific (17) ................ is that by heating the air inside the envelope you increase the space the air (18) ................ When this happens, (19) ................ air gets pushed out of the envelope. With less air in the envelope, it (20) ................ lighter and therefore able to travel up. Once the burner is shut off, however, the (21) ................ thing happens. Cold air from outside enters the envelope, (22) ................ the balloon heavier and it starts to fall.

 *Fill in each blank with the words to complete the passage.

UFOs are strange flying objects that some people report that they have seen in the sky and believe to be (1) …………………from another (2) …………………. Many scientists do not believe so. They say that if people see a UFO it might be an aircraft, a weather (3) …………………or a (4) ………………….
However, there is still (5) …………………for people to believe in the existence of UFOs.

Fill in each blank with the words to complete the passage.

UFOs are strange flying objects that some people report that they have seen in the sky and believe to be (46) …………………from another (47) …………………. Many scientists do not believe so. They say that if people see a UFO it might be an aircraft, a weather (48) …………………or a (49) …………………. However, there is still (50) …………………for people to believe in the existence of UFOs.

42. I / think / I / go / school / e-bus / tomorrow.

43. Hot air balloon / not / fast / as / helicopter.

45. advantages / Travelling / both / has / by / motorbike / and / disadvantages.

46. Planes / will / power / in / the / battery / use / future.

47. taxi / 2100. / buses / I / be / as / spacious /  in / hope /  will / as

48. travel / they / get / exhausted / long / if / Passengers / will / distances.

49. jetpacks. / are / Rockets / from / different

50. 120/ will/ Eco-bus/ kilograms. / to/ able/ be/ to/ carry/ up

Are the verbs in the following sentences transitive or intrasitive? Underline the transitive verbs and circle their direct objects

1. We usually agree with each other....

2. They have found the stolen car in the forest....

3. A colorful balloon appeared in the sky...

4. Some english sounds don't occur in my native language....

5. He was really surprised when he received her massage...

6. They will have to clean this carpet again.....

7. Our neighbors are traveling in china at the moment ....

8. Could you go down and get some coffee for me, Nam?....

9. Some people have just moved in next door...

10. The children were asked to tidy ul the kitchen....

I.                Choose the correct answer.                            Space experiment

Some exciting photos of space have recently appeared on the internet - all taken by teenagers!

Using a cheap camera and a simple balloon, some school students got a large (amount / sum / number / total)¹ ………….. of amazing photos from 15 miles (among / above / about / along)² …………..  Earth.

The teacher said, '(It / There / These / They)³ …………..  carried out an experiment to explore what different (positions / distances / areas / backgrounds)⁴ ………….. on the Earth look like from space - and prove that you don’t have to use expensive equipment as the textbooks say.’

Seventeen-year-old student Miguel reported, ‘We’d spent long (times / hours / ages / days)⁵ ………….. working on the experiment after school, but then had to put it (off / down / out / up)⁶ …………..  due to the weather. Then we were worried that the balloon (shouldn’t / needn’t / mustn’t / wouldn’t)⁷ …………..  rise higher than 10,000 metres, which wasn’t (quite / so / rather / very)⁸ ………….. high enough for our experiment. But in the end it wasn’t a problem. And (unless / although / because / if)⁹           …………..  the balloon had travelled so far, it was still working when it returned! So we’ve learned that in (true / actual / normal / real)¹⁰ …………..  life, experiments don’t always have to follow the textbooks!’