[Level 1] 中文简介：我国“九天”大型无人机成功首飞，具备运输和救援多种能力。
China’s new Jiutian unmanned aircraft completed its first flight in Shaanxi. As a large drone developed by China, it can carry heavy loadsand work for many tasks, such as transport, mapping, and rescue. The success shows progress in China’s aviation technology.
Key Words:
[Level 2] 中文简介：“九天”无人机在陕西成功首飞，具有大载重、多用途特点。
TheJiutian unmanned aircraft, designed by AVIC, completed its first flightin Shaanxi. With a 16-ton maximum takeoff weight and strong payload capacity, it can support missions such as mountain logistics, island transport, emergency communication recovery, and surveying work. This successful flight advances China’s drone technology.
Key Words:
- Jiutian：“九天”
- aircraft：无人机
- flight：首飞
- payload capacity：载荷能力
- emergency communication：应急通信
- surveying work：测绘工作
[Level 3] 中文简介：“九天”大型无人机首飞成功，具备运输、救援、测绘等多领域应用能力。
Designed by AVIC, the Jiutian large unmanned aircraft completed its maidenflight in Shaanxi’s Pucheng. With a 16-ton takeoff weight, 6-ton payload, 12-hour endurance, and a 7,000-km range, it supports missions in heavy cargo delivery, emergency relief, communication restoration, geographic mapping, mineral exploration, and cultural-heritage surveys.
Key Words:
- maiden flight：首次飞行
- payload：载荷
- endurance：航时
- range：航程
- emergency relief：应急救援
- communication restoration：通信恢复
- geographic mapping：地理测绘
- mineral exploration：矿产普查
[Level 4] 中文简介：我国大型通用无人机平台“九天”成功首飞，性能卓越，覆盖运输、测绘、救援等多领域任务，为低空经济注入新动能。
TheJiutian large unmanned aerial platform, developed by China’s First Aircraft Design Institute, achieved its successful initial flightin Pucheng. Featuring a 16-ton maximum takeoff weight, 6-ton modular payload, wide-speed envelope, and short-takeoff capability, it supports multi-domain operations including cargo transport, precision logistics, disaster-relief communication recovery, cultural-heritage surveys, maritime patrol, and wildfire response—signaling a major advancement for China’s low-altitude economy.
Key Words:
- aerial platform：无人机平台
- modular payload：模块化载荷
- multi-domain operations：多领域任务
- wide-speed envelope：宽速域
- short-takeoff capability：短距起降能力
- precision logistics：精准物流
- maritime patrol：海巡执法
- wildfire response：森林灭火
- cultural-heritage surveys：文物勘测
- low-altitude economy：低空经济
Multiple-Choice Questions (5 items)
1. Where did the Jiutian UAV complete its first flight?
A. Inner Mongolia
B. Pucheng, Shaanxi
C. Jiuquan, Gansu
D. Qingdao, Shandong
2. What is the maximum takeoff weight of the Jiutian UAV?
A. 6 tons
B. 10 tons
C. 16 tons
D. 25 tons
3. Which of the following is NOT a function of the Jiutian UAV?
A. Heavy cargo delivery
B. Wildfire response
C. Space tourism
D. Geographic mapping
4. What feature allows the UAV to adapt to different mission needs?
A. Solar-powered wings
B. Modular payload system
C. Transparent fuselage
D. Underwater operation
5. The UAV’s successful first flight represents progress in what field?
A. High-speed rail
B. Maritime navigation
C. China’s drone technology and low-altitude economy
D. Space colonization
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