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2026年6月托福机经套卷(第1套)Read an Academic Passage5 道题

Diagnostic Tools: Current Challenges and Innovations

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Diagnostic Tools: Current Challenges and Innovations Diagnostic methodologies in clinical laboratory sciences are undergoing significant shifts. Traditional methods, such as blood tests and imaging techniques, have been standard for decades. However, emerging technologies like liquid biopsies (highly specialized forms of blood testing) and wearable devices are reshaping diagnostics by offering the potential for earlier and more continuous disease detection, though their complexity demands careful evaluation. Tumors release cells and DNA fragments into the bloodstream, which liquid biopsies can detect through a simple blood draw—eliminating the need for surgical tissue sampling while still enabling the monitoring of tumor progression and genetic mutations. Yet, this innovative technique has drawbacks such as false positives, which can lead to unnecessary medical interventions. Meanwhile, wearable devices provide continuous monitoring of vital signs, supplying real-time data to clinicians. The integration of such devices into healthcare systems introduces challenges related to managing vast amounts of patient data and ensuring the reliability of the collected information. The potential of these technologies is undeniable, but they are not without hurdles. Liquid biopsies and wearable devices illustrate the intersection of innovation and practicality in diagnostics. As they evolve, they present opportunities to redefine disease management, although rigorous validation is essential for clinical integration.
Question 1查看单题
What can be inferred about emerging diagnostic methodologies?
AThey may be more effective at detecting diseases early than traditional methods.
BThey have already become standard practice in certain parts of the world.
CTheir complexities are comparable to those of traditional methods.
DTheir use for continuous disease detection eliminates the need for clinical oversight.
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正确答案：A
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Question 2查看单题
What problem associated with liquid biopsies is mentioned in the passage?
AThey are very costly to perform.
BThey can lead to unnecessary medical treatments.
CThe biopsies must be supplemented by surgical tissue sampling.
DThe results of the biopsies take a long time to process.
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正确答案：B
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Question 3查看单题
The passage suggests that wearable devices
Awill not likely be adopted by healthcare systems
Bproduce large amounts of data to be monitored and stored
Care uncomfortable and therefore unpopular with patients
Dhave consistently yielded reliable information for clinicians
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正确答案：B
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Question 4查看单题
The word "rigorous" in the passage is closest in meaning to
Ageneral
Bpreliminary
Crapid
Dthorough
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正确答案：D
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Question 5查看单题
There are four locations █ in the passage that indicate where the following sentence could be added.
They are less expensive and less invasive for the patient than surgical biopsies.
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