题目

阅读理解 The terrible E1Niñostrikes the globe every 2 to 7 years. As warm waters in the tropical(热带的) Pacific Ocean switch eastward andtrade winds weaken the weather pattern stretches through the atmosphere,causing drought in southern Africa, wildfires in South America, and flooding onNorth America's Pacific coast. Climate scientists have struggled to predict ElNiño events more than 1 year in advance, but artificial intelligence (AI) cannow extend the latest forecasts to 18 months, according to a new study. The new research usesa type of AI called a convolutional neural network(卷下列做法不正确的是A. 电器失火后首先要切断电源 B. 进入久未开启的地窖前先做灯火实验C. 厨房煤气泄漏后立即打开抽油烟机 D. 燃放烟花爆竹时，远离人群和可燃物