Bio-energy 2 - Marvel Education

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Practice Reading: Fill in the Blanks (Dropdown) ID: #5445 Bio-energy 2

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Peering into the future seldom produces a clear picture. But this is not the with bio-energy. Its long-term impacts on the global economy appear to be pretty clear, making many long-term predictions quite compelling, including the demise of the price-setting power of the Organization of the Petroleum Exporting Countries and the end of agricultural protectionism. First, technology is to deliver a biofuel that will be competitive with fossil energy at something like current prices. It probably already has. Brazil has been exporting ethanol to the US at an average delivery price of $1.45 for an amount with the energy equivalence of a gallon of petrol. It is doing so profitably and in increasing amounts, in spite of a 54 cents a gallon tariff to protect American maize-based ethanol . Many countries are following suit. But ethanol is an inconvenient chemical compound that is corrosive and soluble in water, thus limiting its immediate market to that of a gasoline additive. However, this is just the Betamax phase of the industry. There is plenty of private venture capital money being into finding more efficient ways of extracting energy from biomass and delivering it to transport and power systems. Over time, the technology will also become more flexible, allowing more crops to be used as feedstock, not just the current choice of sugarcane, maize and palm oil. New technologies will be able to extract energy from cellulose, allowing the use of pastures such as switch grass as well as the refuse of current food production.

Result:

A.I. Explanation:

Correct answer: circumstances
Explanation: The word 'circumstances' fits grammatically as it refers to the conditions or factors surrounding a situation, which aligns with the context of discussing bio-energy. The sentence implies that the situation with bio-energy is different from the unclear predictions about the future, making 'circumstances' the most suitable choice.
Meaning: Circumstances refer to the specific conditions or factors that affect a situation or event.
Wrong options:
occurrence: Occurrence refers to an event or happening, which does not fit the context of discussing the conditions surrounding bio-energy.
incidence: Incidence refers to the rate or frequency of something happening, which is not relevant in this context as it does not address the conditions or factors involved.
condition: Condition refers to the state of something, but it is too vague and does not capture the broader context of various factors that influence the situation.
Correct answer: bound
Explanation: The word 'bound' is used here to indicate that technology is expected or destined to deliver a biofuel, fitting grammatically and contextually as it conveys a sense of obligation or certainty about future developments in biofuel technology.
Meaning: Bound means destined or certain to happen, indicating that technology will inevitably deliver a competitive biofuel.
Wrong options:
assured: Assured implies a guarantee, but it does not convey the same sense of inevitability as 'bound' does in this context.
called: Called suggests naming or labeling, which does not fit the context of technology delivering a product.
constrained: Constrained implies limitations, which contradicts the positive expectation of technology delivering a competitive biofuel.
Correct answer: producers
Explanation: The term 'producers' fits grammatically and contextually as it refers to those who create or manufacture ethanol, aligning with the discussion about the ethanol market and the impact of tariffs on American maize-based ethanol.
Meaning: Producers are individuals or entities that create or supply goods, in this case, ethanol.
Wrong options:
directors: Directors refer to individuals who manage or oversee operations, which does not fit the context of those who produce ethanol.
programmers: Programmers are individuals who write computer code, which is irrelevant in the context of ethanol production.
harvesters: Harvesters refer to those who gather crops, which does not accurately describe the entities involved in the production of ethanol.
Correct answer: poured
Explanation: The word 'poured' is appropriate here as it conveys the idea of significant investment being made into research and development, fitting both grammatically and contextually with the sentence's focus on financial commitment to bio-energy advancements.
Meaning: Poured means to invest or allocate a large amount of resources, typically money, into something.
Wrong options:
emptied: Emptied suggests removing contents, which does not fit the context of investing resources into a project.
streamed: Streamed implies a continuous flow, which does not accurately convey the act of investing money in this context.
spent: Spent indicates the use of resources but lacks the connotation of a deliberate and substantial investment that 'poured' conveys.

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