（1）A.Send alarm if there are drugs inside.
B.Show the weight and location.
C.Follow the owner everywhere.
D.Avoid obstacles in its path.
（2）A.By using its cameras to report the location.
B.By getting connected with GPS devices.
C.By following its owner everywhere closely.
D.By pairing with its owner's cell phone via Bluetooth.
（3）A.Psychologically disabled people.
B.People who are old or weak.
C.People returning from a journey.
D.People going to the supermarket.
【考点】听长对话．
【答案】见试题解答内容
【解答】
【点评】
声明：本试题解析著作权属菁优网所有，未经书面同意，不得复制发布。
发布：2024/5/27 14:0:0组卷：0引用：1难度：0.5
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