题型:完形填空 题类:常考题 难易度:普通
四川省双流中学2018-2019学年高一下学期英语期中考试试卷
On Thursday morning, two teenage boys were rescued by a drone (无人机) in Australia while lifeguards were still training to use the machine.
The 1, aged 15-17, got into difficulties about 700 feet off the coast of Lennox Head, New South Wales (NSW). A passerby saw them 2 in dangerous waves. Lifesavers 3 sent the drone to drop a lifeboat, and the pair made their way safely to the 4.
The drone, known as "Little Pipper", was actually not 5 to be saving anyone just yet—lifeguards were being trained to 6 the machine. When a call came about the swimmers 7, the drone happened to be nearby.
Jai Sheridan was the lifeguard who 8 the drone. He described the experience as 9. "The Little Ripper 10 proved itself today. It is a highly efficient (高效的) piece of lifesaving equipment. I was 11 the drone when the alarm was raised. I directed it towards the swimmers, and dropped the 12. With its support they made their way to safety. They were 13, but not hurt. The teens were rescued in just 70 seconds with the drone—while a lifeguard would have taken up to six minutes to 14 the rescue."
John Barilaro, an official of the state, 15 the rescue as historic. "It was the world's 16 rescue by the unmanned aircraft", he said. "Never before has a drone been used to 17 swimmers like this."
Last December, the NSW state government 18 some "Little Ripper" drones for 247,000 pounds. 19 some are designed to spot sharks, others are 20 with lifeboats, alarms and loudspeakers. "It was money well spent," said John Barilaro.
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