衡中同卷综合测试卷生物答案

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2021-2022衡中同卷语文第1题答案

handsome, I guess, " Ceylan says, laughing."But I don't neednew ones

With Wewalk, a new smart cane he invented, Ceylan hopesto help other blind people navigate their environments more easily. The cane uses an ultrasonic(超声波) sensor to find objects atbody or head level and gives a warning vibration J Ef)WeWalk users pair the cane with their smartphones and then usehe cane's touchpad to access features like voice assistant or navigation. Before leaving home, they can plug their destinations into google maps and get spoken directions as they walk. In thefuture, Ceylan hopes to connect Wewalk with public transportation and ridesharing services

Ceylan sees wewalk as part of an attempt to help blind peo