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　　For blind people, a white cane is not just a tool; it's a symbol of independence. This simple yet remarkable device has been guiding blind individuals safely through the world for centuries.

　　The cane allows blind people to detect obstacles in their path and avoid them. By tapping the ground ahead, the user can sense changes in texture, slope, and even the presence of small objects. This information is crucial for navigating safely in unfamiliar environments.

　　Moreover, the white cane serves as a silent signal to others. When sighted people see a blind person with a white cane, they are automatically alerted to the person's condition and are more likely to offer assistance or simply give way.

　　In addition to its practical uses, the white cane carries a deeper meaning. It represents the blind person's courage and determination to live life independently, despite their visual impairment. It's a reminder that disabilities are not barriers to achieving dreams.

　　With the advancement of technology, there are now electronic devices that can assist blind people, but the white cane remains an essential tool for many. It's a testament to its effectiveness and the trust it has earned over the years.

　　Questions：

　　1、The white cane is mainly used by ________.

　　A. blind people

　　B. sighted people

　　C. disabled people

　　D. elderly people

　　2、The blind person taps the ground ahead with the cane to ________.

　　A. detect obstacles

　　B. attract attention

　　C. measure distances

　　D. find directions

　　3、The white cane serves as a silent signal to others because it ________.

　　A. reminds people to offer help

　　B. warns people of approaching danger

　　C. alerts people to the blind person's condition

　　D. informs people of the blind person's identity

　　4、The white cane represents the blind person's ________.

　　A. courage and determination

　　B. fear and anxiety

　　C. loneliness and helplessness

　　D. pride and arrogance

　　5、Despite the availability of electronic devices, the white cane remains popular because it ________.

　　A. is easier to use

　　B. is cheaper to buy

　　C. has proven its effectiveness

　　D. has a deeper cultural meaning