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Have you ever heard of TED, which stands for Technology, Entertainment and Design? Since TED Talks were started in 1984, thousands of leaders, thinkers, experts, doctors, and scientists have been invited to present their ideas on the TED stage. Later on, a lot of really famous people and less famous people also shared their stories on stage. Here is an example of the latter.
Audience members looked up to see a twelve-year-old African boy on the stage. Introducing himself as Richard, he went on to share a wonderful story of courage and creativity.
Ever since the age of nine, Richard had been a cowherd, guarding the cattle on his father’s farm. Living on the edge of a national park in rural Kenya as they did, however, made this a difficult and dangerous task. The park wasn’t completely fenced in and animals like zebras would sometimes wander out into nearby farmlands to graze. Unfortunately, hungry lions would often follow.
Waking up one morning to find that a lion had killed his father’s only bull, Richard became determined to find a solution. He experimented with fire and scarecrows during his nightly watches, but neither proved successful. Then, one night, he discovered that walking around with a flashlight did keep the frightening beast away. He thus realized that what he really needed was lights that could keep flashing on and off.
Luckily, little Richard was no stranger to technology; he had often been scolded for taking his mother’s radio apart. By connecting LED bulbs, a box with ordinary light switches, and an old car battery powered by a solar panel, he invented what would later become known as “Lion Lights.” Soon, this simple but highly effective tool is used all over Kenya to safely and peacefully drive off not just lions, but also leopards and other beasts.
Certainly, the TED crowd must have thought it was a bright idea. At the end of his speech, everyone was on their feet cheering.
Which of the following statements is true about "Lion Lights"?
A"Lion Lights" can frighten lions away because they will go on and off in turn.正確答案
B"Lion Lights" became popular in Kenya only after Richard attended TED Talks.
CRichard's successful experiment with fire and scarecrows led him to invent "Lion Lights."
D"Lion Lights" is highly effective in driving lions away, but can't scare away other animals.
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