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安徽省示范高中培优联盟2020-2021学年高一下学期春季联赛试题(英语 解析版)
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  • 资源类别试卷
    资源子类名校月考
  • 教材版本不限
    所属学科高中英语
  • 适用年级高一年级
    适用地区全国通用
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    上传用户baibai9088
  • 更新时间2021/8/16 11:16:09
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A

The best drones(无人机)you can buy right now

DJI Mavic Air 2( $ 800)

DJI Mavic Air 2 offers clear improvements over previous products. It can shoot 4K videos at 60 fps, along with still photos of up to 48 megapixels(百万像素), while the drone's flight time has been increased to 34 minutes(up from 21). The drone itself starts at $ 800, but adding the Fly More Combo pack on to your shopping list gives you three batteries and some additional items for another $ 200.

Mavic Mini( $ 400)

Mavic Mini’s advantages are its size and weight, the latter of which comes in at just under the 250-gram mark. The biggest drawback is that it doesn’t shoot 4K like DJI’s higher-end drones, but you'll still get some impressive 2.7K videos and 12-megapixel still images.

Ryze Tello( $ 110)

There may be a handful of clear favorites when it comes to higher-end drones, but things get quite a hit more confusing if you’re just looking for a cheap flyer to try your hand with. While there’s no mistaking this for a pro-level piece of equipment, Ryze Tello benefits from apartnership with DJI that gives it some reliable capabilities for the price.

DJI Inspire 2( $ 3, 300)

What can professional movie makers get in DJI Inspire 2? A lightweight body, a flight time of 27 minutes, and an amazing 5.2K video quality. Besides, it has retractable(可收回的)landing equipment, and you can turn the camera 360 degrees without anything blocking the view. To fully use DJI Inspire 2, one pilot is needed to pilot the drone and the other to control its camera.

21. What has DJI Mavic Air 2 been improved?

A. Its weight and flying range.      B. Its camera and flying time.

C. Its battery and top speed.        D. Its size and flight ability.

22. Which of the following drones is the best choice for a beginner?

A. DJ Mavic Air 2.      B. DJI Inspire 2.      C. Mavic Mini.      D. Ryze Tello.

23. What is one typical feature of DJI Inspire 2?

A. Its camera is able to shoot 4K videos at 60 fps.

B. It can fly for an hour on a single battery charge.

C. It can be operated by two people at the same time.

D. Its landing equipment is made of special materials.

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