摘要
阅读理解。Passage 1 In 2018,a severe drought brought Cape Town close to"Day Zero",when it could have become the world's first major city to run out of water.Dam levels in South Africa's Western Cape fell to below a fifth of capacity and the province suffered its worst water crisis in 100 years."The water supply was dwindling and it just wasn't raining,'recalls Thinus Booysen,a professor at Stellenbosch University,who had created a device in 2015 designed to help homeowners cut their power usage.Seeking to reduce water waste,Booysen figured he could adapt the device to measure water usage instead of electricity use.
