A
Each year. Time magazine picks the best of the year's inventions that will change how we live, work, and play.
Aira
For people who are blind, everyday tasks such as walking to school or doing laundry can be tough. What if they could "borrow” the eyes of someone who can see? That's the thinking behind Aira. Aira is a service Users send live videoes of their surroundings to an agent This is done with special glasses or a smartphone app The agents are always available. They can answer questions, describe objects, and guide users through a location.
3M Smog-reducing Granules
Smog is a type of air pollution. It comes from car and factory emissions. The company 3M has created a new material, 3M smog-reducing granules (微粒)，which can break down smog granules in the air. The broken-down granules are washed away the next time it rains The granules will help reduce air pollution.
The Whill Model CI
More than 3 million Americans use wheelchairs to get around. But most wheelchairs are hard to move on many surfaces. The Whill Model CI is different. It is a new electric wheelchair. It can climb obstacles two inches high and move around in tight spaces. The wheelchair can also be taken apart in minutes. This makes it easy to transport.
Allbirds
Many shoe parts are not eco-friendly. Allbirds is trying to change that It is testing a new material called Sweet Foam, which is made from parts of the sugarcane (甘蔗)plant that would be thrown away. Allbirds has started using Sweet Foam in a line of flip-flops (人字拖).It plans to use the material in more of its product lines.
21. Who is Aira fit for?
A. Laundry workers. B. Blind people.
C. High school students. D. Service agents.
22. What's the aim of designing the Whill Model CI?
A. To drive a car easily.
B. To reduce traffic accidents.
C. To overcome obstacles in life.
D. To offer the disabled convenience.
23. Which inventions are environmentally friendly?
A. Aira and the Whill Model CI.
B. The Whill Model CI and Allbirds.
C. 3M Smog-reducing Granules and Allbirds.
D. Aira and 3M Smog-reducing Granules.
【答案】21. B 22. D 23. C
【解析】
本文是一篇应用文，介绍了《时代》杂志选出的几个改变我们生活、工作和娱乐方式的最佳发明。
【21题详解】
推理判断题。根据第二段中的“For people who are blind, everyday tasks such as walking to school or doing laundry can be tough.”可知，Aira适合盲人，故B项正确。
【22题详解】
推理判断题。根据第四段中的“It can climb obstacles two inches high and move around in tight spaces. The wheelchair can also be taken apart in minutes. This makes it easy to transport.”可知，Whill Model CI能爬上两英寸高的障碍物，在狭小的空间里活动。也可以在几分钟内拆卸，便于运输，由此可知，设计Whill Model CI的目的是为使用轮椅的残疾人提供方便，故D项正确。
【23题详解】
细节理解题。根据第三段中 “3M smog-reducing granules (微粒)，which can break down smog granules in the air.”和最后一段中的“Many shoe parts are not eco-friendly. Allbirds is trying to change that”可知，3M减雾颗粒可以分解空气中的烟雾颗粒；Allbirds鞋的部件是环保的，由此可知它们两个是环保的，故C项正确。.
