Test 1
Part 1
For questions 1 - 4, read the text below and decide which answer (A, B, C or D) best fits each gap. There is an example at the beginning (0). Mark your answers on the separate answer sheet.
Esto es una muestra. Cada test del libro tiene ocho huecos; aquí te dejamos cuatro para que veas el formato y el estilo de las claves. Los otros cuatro van ya resueltos dentro del texto.
Example:
0. A severely B heavily C desperately D urgently
Example answer: C
The Wonders of Tidal Power
As the world (0) ____ seeks to transition away from fossil fuels, renewable energy sources have never been in higher (1) ____. While solar and wind power currently dominate the market, engineers are increasingly turning their (2) ____ to the ocean. Tidal power, generated by the natural rise and fall of the tides, offers a highly predictable and entirely clean alternative.
Unlike the wind, which can unexpectedly drop, the gravitational pull of the moon ensures that tides operate on a strict, reliable schedule. By constructing underwater turbines in areas with strong coastal currents, we can successfully (3) ____ the immense power of the sea. Although the technology is still in its infancy, early pilot projects have (4) ____ extremely promising results.
However, constructing massive infrastructure in harsh marine environments poses a formidable challenge. Saltwater is highly corrosive, meaning the equipment is prone to rust and requires constant maintenance. Furthermore, environmentalists are concerned that marine habitats might be disrupted by these underwater turbines. Striking a delicate balance between generating green energy and protecting underwater habitats is part and parcel of the transition to sustainable energy.
Unlike the wind, which can unexpectedly drop, the gravitational pull of the moon ensures that tides operate on a strict, reliable schedule. By constructing underwater turbines in areas with strong coastal currents, we can successfully (3) ____ the immense power of the sea. Although the technology is still in its infancy, early pilot projects have (4) ____ extremely promising results.
However, constructing massive infrastructure in harsh marine environments poses a formidable challenge. Saltwater is highly corrosive, meaning the equipment is prone to rust and requires constant maintenance. Furthermore, environmentalists are concerned that marine habitats might be disrupted by these underwater turbines. Striking a delicate balance between generating green energy and protecting underwater habitats is part and parcel of the transition to sustainable energy.
| 1 A call | B request | C demand | D necessity |
| 2 A view | B focus | C regard | D sight |
| 3 A exert | B muster | C wield | D harness |
| 4 A borne | B yielded | C reaped | D afforded |