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iournal ACS Nano.
Sweat contains electrolytes ()primarily potassium,sodium and calcium.The balance of these essential
minerals is crucial for supporting muscle function,nerve health and regular heartbeat.The wristwatch collects sweat
from the skin and analyzes it in real time using a sensor chip with an ion-sensitive membrane(離子敏感膜).When
sweat enters the device,it will come into contact with the membrane that contains three small tubes capable of
measuring potassium,sodium and calcium levels.
Although they are not the first to invent sweat sensors,the Chinese researchers emphasized the wristwatch's
solid interface (for long-term reliability."It is greater than the stability of many other sensors by consistently
monitoring the three ions in human sweat for over six months,"said lead researcher Huang Xingjiu.
Researchers in the study measured the sweat composition of these chemicals in athletes running long distances
on a running machine.The accuracy reached about 95 percent when compared to the standard detection method.
The aim of developing this device is to provide warnings for electrolyte loss and reduce exercise-related injury risks.'
For ordinary people,the conventional electrolyte test requires samples of body fluids taken in hospitals.The
new wristwatch has the potential to serve as an alternative to needles for measuring electrolytes.The next goal of the
research team is to design various sensitive membrane materials for monitoring more physiological information.The
researchers noted that compared to popular fitness watches on the market,the device they designed is larger and
heavier,making it less comfortable to wear.However,they expect to develop wearable sweat sensors suitable for
market applications in the next five years.They also intend to adapt the device for environmental monitoring to
measure heavy metals in the future.
32.What is the main function of the wristwatch
A.To detect body temperature.
B.To track blood pressure.
C.To monitor athletes'heart rate after exercising.
D.To measure vital chemicals in sweat.
33.How does the new sweat-sensing device work
A.By turning sweat into electricity.
B.By using needles to draw body fluids
C.Through an ion-sensitive membrane with three tubules.
D.Through wireless connection to the hospital equipment.
34.What makes the new wristwatch stand out
A.Being more welcomed on the market.
B.Being the most accurate and sensitive.
C.Being the world's first wearable sweat sensor.
D.Being more reliable and stable than many other sensors.
35.What is the researchers'attitude towards the future wristwatch
A.Critical.
B.Neutral.
C.Hopeful.
D.Indifferent.
第二節（共10小題；每小題1.5分，滿分15分）
閱讀下面短文，從短文后的選項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。
Struggling to make your point,set boundaries,or get people to agree with you Communication is a skill,and a
few simple psychology tricks can make all the difference.36_
Use the "because"effect.
People are more likely to agree with you if you give them a reason-even a simple one.37 Instead of
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Mirror their energy (subtly!).
Imitating someone's tone,body language,or speech patterns creates an instant sense of connection.If they're
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