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2026年4月托福机经套卷(第3套)Read an Academic Passage / 25 道题

Biofertilizer Dynamics in Agrochemistry

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Biofertilizer Dynamics in Agrochemistry One of the latest inventions in agrochemistry is biofertilizers. This innovation aims to provide an environmentally friendly alternative to traditional fertilizers, which are infamous for causing soil and water pollution. Biofertilizers use living microorganisms to improve soil fertility by fixing nutrients such as nitrogen, ensuring that these nutrients remain available for plant uptake. Unlike conventional fertilizers that simply release nutrients into the soil, biofertilizers enhance the soil's own biological activity, creating a more sustainable agricultural practice. Increased bioactivity results in improved soil structure. Microorganisms in biofertilizers produce substances that bind soil particles together, enhancing aeration and water retention. This mechanism is particularly vital in arid regions, where soil degradation poses a significant challenge. Yet, this ability makes the effectiveness of biofertilizers depend on specific soil types and crops, introducing complexities into their use. Despite their potential, biofertilizers face hurdles, including skepticism from farmers accustomed to chemical fertilizers. Concerns about cost, availability, and the need for new agricultural knowledge contribute to their slow adoption. Moreover, the regulatory landscape for biofertilizers is still developing, affecting their market presence. Still, some regions have started to implement subsidies and educational programs to encourage the transition to these sustainable options, hinting at a shift in agricultural practices.
Question 1查看单题
The word "uptake" in the passage is closest in meaning to
Aevolution
Bharvest
Cabsorption
Ddiversity
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正确答案:C
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Question 2查看单题
What is one difference between biofertilizers and traditional fertilizers?
ABiofertilizers are less expensive to produce.
BBiofertilizers contain living microorganisms.
CBiofertilizers require synthetic chemicals to work.
DBiofertilizers are used only in arid regions.
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正确答案:B
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Question 3查看单题
According to the passage, what makes biofertilizers particularly effective?
AThey are compatible with multiple soil types.
BThey prevent soil particles from binding together.
CThey improve the movement of air through soil.
DThey begin to release nutrients immediately.
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正确答案:C
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Question 4查看单题
What does the author suggest about biofertilizers in the last paragraph?
AMany farmers are already familiar with them.
BGovernmental rules affect their use in some areas.
CThey are readily available to farmers
DThey do not work as well as chemical fertilizers.
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正确答案:B
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Question 5查看单题
What is the main focus of the last paragraph?
AIt describes new scientific research supporting biofertilizers.
BIt compares the effectiveness of different types of fertilizers
CIt discusses barriers to adoption of biofertilizers by farmers.
DIt offers advice to farmers on best agricultural practices.
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正确答案:C