Unit Test 12

Answer all the questions. There is one mark per question.

language

1 Complete the paragraphs with a word from the box. They can be used more than once.

except/like(x2)/unlike(x2)/resembles(x2)/different(x2)/instead/similar/same

WIND-POWERED LAND RACER

The Greenbird uses a solid sail which is not very (1) __________ from an aircraft wing. (2) __________ to Formula One cars, the Greenbird is made from carbon composites. Wind-powered speed records are (3) __________ normal records where more power equals speed. In fact, more wind does not always mean more speed. The Greenbird (4) __________a very high-performances sailboat using wings (5) __________ of sails. The vertical wing provides lift in the (6) __________ way as an aircraft wing, (7) __________ that it pushes the craft forwards, not upwards. Horizontal wings are used to keep the vehicle close to the ground, (8) __________ in a Formula One car.

SOLAR-POWERED VEHICLES

(9) __________ other vehicles, the solar-powered ones can usually only carry one person. They also do not look (10) __________ any other vehicles because of the size of the solar panels. In fact, the one we're looking at (11) __________ a spaceship. Just (12) __________ spaceships are expensive to build, so are solar-powered vehicles at the moment!

2 Write about the year 2050 using the Future Perfect.

13 water resources/reduce/dramatically

_______________________________________________________________

14 nano-technology/transform/way we live

_______________________________________________________________

15 many animals/not survive

_______________________________________________________________

16 world population/reach/dangerous levels

_______________________________________________________________

17 most natural resources/destroy

_______________________________________________________________

18 we hope scientists/discover/cure for cancer _______________________________________________________________

19 technology/eliminate /manpower in manufacturing

_______________________________________________________________

20 new ways/find/feed people

_______________________________________________________________

vocabulary

3 Complete the sentences with the correct word. The first letter is given.

21 Some people have made some frightening p__________ about the future.

22 They lost part of the message due to radio i__________.

23 Solar powered vehicles r__________ on the sun shining, and it doesn't always do this.

24 He gave us a worst-case s__________

25 All the mountain g__________ have melted.

26 We need to analyse the opportunities and t__________.

27 The Greenbird doesn't have a c__________ sail like a normal sailing boat.

28 The body of a boat is known as the h__________.

29 A h__________ is a vehicle which travels on land or water on a cushion of air.

30 The only e__________ from a hydrogen fuel cell is water.

PHOTOCOPIABLE © 2011 Pearson Longman ELT

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PHOTOCOPIABLE © 2011 Pearson Longman ELT

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