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hce_isu 109年 英文

第 33 題

📖 題組:
IV. Reading Comprehension: Choose the best answer to each question. Passage A Does the word “drone” conjure up thoughts of sci-fi flicks or images of attacks carried out remotely on hostile lands? You may be surprised to learn that drones are acquiring many non-military uses these days. One drone manufacturer, Arad Metering Technologies, is using these remote-controlled flying machines in Israel to help save water. The company’s battery-operated drones are among the novel tools deployed by Arad to help consumers and companies conserve $\text{H}_2\text{O}$ and make money, too. That such an idea would come out of Israel is no coincidence. The country is poor in water and rich in tech innovation. Israel pioneered the use of unmanned aerial vehicles after it lost many fighter jets in the 1973 war. But Arad’s drones don’t fight. They read data from the company’s patented water-meter system to detect leakage in irrigation systems to prevent drought. Thousands of miles away, drones are being enlisted in the fight against crime. In several U.K. cities, police agencies are employing drones in place of far more expensive manned helicopters. Though the drones are not very large, they are capable of carrying cameras and devices that detect body heat. A policeman can operate one of these drones using a remote control. By wearing special glasses, he or she can see exactly what the drone sees as it flies. In one incident, a policeman used a drone to follow a suspected car thief. Even after the suspect disappeared in thick fog, the officer was able to track him with the drone and guide fellow policemen to his location. Police agencies have found more uses for drones, such as border protection and maritime security.
According to this article, what can Arad’s products detect?
  • A Which water resources are valuable.
  • B Whether water is polluted.
  • C Whether water is being wasted.
  • D What contributes to the turbidity of water.

思路引導 VIP

請試著回到文章第三段,找到提到 Arad 公司無人機正在「偵測」(detect)什麼的那個特定單字。想一想,如果一個灌溉系統發生了這個現象(leakage),這代表裡面的水是正在被有效利用,還是正在流失掉呢?這個答案會幫助你連結到最合適的選項。

🤖
AI 詳解 AI 專屬家教

太棒了!你能精準鎖定文章細節並選出正確答案,展現了很棒的閱讀理解能力。這題的核心在於找出以色列公司 Arad Metering Technologies 研發無人機的具體用途。

文本細節的精準對應

文章第三段明確指出,這些無人機讀取專利水錶系統的數據,主要功能是「偵測灌溉系統的洩漏」(detect leakage in irrigation systems),以協助節省 $H_2O$ 並預防乾旱。在選項中,「洩漏」正代表了水資源在無意間流失,直接對應到選項 (C) 的「水資源是否被浪費」(Whether water is being wasted)。至於其他選項如水質污染或混濁度,文中並未提及,因此不能混淆。

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