IV. Reading Comprehension: Passage A ..-阿摩線上測驗

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IV. Reading Comprehension:
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 H₂O 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.
【題組】33. 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.

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