Unit Test 6

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

language

1 Choose the correct option.

Hi Frederico

Thanks for you email about the geothermal energy conference next month. I'm afraid I (1) won't be able/can't to get there for the first day because I will (2) need to /must travel back from Hong Kong that day.

(3) Owing/Because to the fact that I don't know very much about the subject, I will (4) have /be able to ask you to help me by answering a few questions. I know that geothermal energy is an amazing renewable energy source (5) because/due the heat is continuously produced inside the Earth. However, are the high temperatures (6) result/because of volcanic activity or something else? Also I'd like to know if the fissures in the hot rock layers are (7) owing/caused by the pressure of cold water pumped down from the surface or if they are already there. Moreover, is the high flow rate of the hot fluid rising though the extraction wells (8) due/because to pressure form the pumps or as (9) a result/caused of the temperature or both.

I (10) must/will need to speak to you about our new project when we meet next month. I hope you (11) will be able/can to see how beneficial it can be for both of our companies.

2 Match the sentence halves.

12 My aim in this talk _____

13 I'm in complete agreement _____

14 Let's look _____

15 I'd like to move on _____

16 I can certainly go _____

17 So we'll agree to _____

a) at bio-fuels now.

b) along with your idea.

c) convert 30% of our plants.

d) with you about renewable energy sources.

e) is to tell you how to cut down emissions.

f) to alternative energy sources.

vocabulary

3 Complete the sentence with a word formed from the word in capitals at the end.

18 The __________ of oil has increased dramatically over the last 20 years. CONSUME

19 The CO₂ __________ the oil. PRESSURE

20 This diagram shows the __________ of particles from flue gas. REMOVE

21 We need to find new __________ facilities. STORE

22 The __________ of the coal was completed last week. EXTRACT

23 The __________ of impurities in the water is a big problem. PRESENT

24 The __________ of the chemicals was unexpected. REACT

25 We need to __________ the water before we can drink it. PURE

26 The molten plastic __________ when it cools. SOLID

4 Complete the sentences with a word from the box.

deadline / by / later / date

27 The last possible __________ to finalise details is 27^th September.

28 We must finish the pipeline __________ the end of the month.

29 Your report must be on my desk no __________ than 5pm Monday.

30 The __________ for the project completion is the end of May.

PHOTOCOPIABLE © 2011 Pearson Longman ELT

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PHOTOCOPIABLE © 2011 Pearson Longman ELT

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