Mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered
Mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks
In the coming months, a 170-foot-high drilling rig will transform wasteground near Redruth into a new landmark. The drill belongs to a group that is planning to develop Britain's first commercial- scale geothermal plant on the site. Geothermal Engineering has chosen this part of Cornwall – once renowned for its tin and copper - because of its geology. It sits on a bed of granite whose temperature can reach 200°C. Water will be pumped deep underground and will return to the surface as steam, which will power turbines to generate electricity.
'Cornwall is a real hotspot. It is like someone has put a power station below ground and you are simply tapping into it,' said Ryan Law, founder and managing director of Geothermal Engineering. Law, a former consultant to the geothermal industry, plans to have three wells at the plant, which together he estimates will produce 10MW of electricity, enough to power 20,000 homes, and 55MW of thermal energy, capable of heating ten hospitals 24 hours a day. The challenge is that the rock is 4.5 kilometres below the earth's surface, meaning that months of precise drilling will be required before any energy is produced. The company has a head start. In 1976, the government-funded Hot Dry Rock Research Project began deep drilling to study the area's geology. Law plans to use the detailed maps the team produced over fifteen years to direct his efforts.
Geothermal energy is not new. The world's first conventional geothermal power station, in southern Tuscany, has been producing electricity for almost 100 years. In Iceland, a quarter of the country's electricity comes from geothermal power. Investment in geothermal projects in Australia is expected to reach $2 billion (£1.3 billion) by 2014. The industry is also well established in America and Germany. In Britain, schemes are under way in Southampton and Newcastle.
Conventional geothermal power relies on naturally occurring steam pockets near the earth's surface so it tends to be confined to volcanically active regions or areas close to fault lines. Law claims the process his company uses removes this limitation, making the industry viable almost anywhere in the world.
However, despite billions of pounds in public and private investment and a raft of big projects, the industry has so far failed to demonstrate it can fulfil its promise. Critics argue it is costly, reliant on high-risk, time-consuming drilling and struggles to produce large amounts of energy capable of making a real contribution to the world's needs. Law refuses to let such doubts dampen his ambitions. 'What other renewable energy gives you 24-hour supply? The potential is enormous and we are planning another 25 plants."
(Derive from Reading for IELTS)
Trả lời cho các câu 1, 2, 3, 4, 5, 6, 7, 8, 9 dưới đây:
Question 14. What is the main idea of the passage?
Đáp án đúng là: B
Đáp án cần chọn là: B
Question 15. Which of the following information is NOT mentioned in paragraph 2?
Đáp án đúng là: D
Đáp án cần chọn là: D
Question 16. What is the closest meaning of the word "viable" in paragraph 4?
Đáp án đúng là: B
Đáp án cần chọn là: B
Question 17. In paragraph 3, the word "it" refer to______.
Đáp án đúng là: C
Đáp án cần chọn là: C
Question 18. According to the passage, Cornwall was chosen for the geothermal plant because of______.
Đáp án đúng là: D
Đáp án cần chọn là: D
Question 19. How much electricity is the geothermal plant expected to produce?
Đáp án đúng là: C
Đáp án cần chọn là: C
Question 20. What is the closest meaning of the word "conventional" in paragraph 4?
Đáp án đúng là: C
Đáp án cần chọn là: C
Question 21. What can be inferred from the passage about the future of geothermal energy?
Đáp án đúng là: C
Đáp án cần chọn là: C
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