话题提分练3 必修1 Unit 4 Earthquakes-【赢在微点】2024高考英语大一轮复习顶层设计核心微练word（老高考）人教版

话题提分练3　必修1　Unit 4 灾害防范、生活 限时40分钟　 阅读理解　(原创)　体裁:说明文　话题:灾害防范　难度:★★☆☆☆ 　　Mauna Loa, the world􀆳s largest active volcano, started erupting late Sunday after a number of earthquakes in the US island state of Hawaii. The volcano last erupted 38 years ago. But it is not expected to put people in danger. The volcano rises more than 4,000 meters above sea level. It is on the largest of the five main Hawaiian Islands, also called Hawaii or the “Big Island”. About 200,000 people live on the Big Island. At this point, lava is not expected to come near populated areas, but officials warned people to be ready to evacuate.They warned people to stay away from the areas where lava is coming out because it can shoot 30 to 60 meters in the air. The gas coming from the eruption is also harmful. Ken Hon, the chief scientist at the USGS􀆳s Hawaiian Volcano Observatory, said the eruption could last one to two weeks if it follows historical patterns. The eruption is a new experience for many people on the island. There are more than twice as many people living there compared to the last time Mauna Loa erupted. State officials are most concerned about an area about 50 kilometers to the south of the volcano where about 5,000 people live. Hon said the lava could flow toward the city of Hilo, which has about 45,000 people. That could take about a week. Scientists hope the lava flows like it did in 1984, when it moved slowly.There is some concern about weak areas on the southwestern part of the mountain. If lava escapes from that area, it could threaten places where people live in just hours or days. 夏威夷岛火山爆发。 1.What can we learn about Mauna Loa? A. It is the world􀆳s largest volcano. B. It erupts every 38 years. C. It has an altitude of over 4,000 meters. D. It is on the fifth largest Hawaiian Island. 答案与解析　C　细节理解题。由第一段中的“The volcano rises more than 4,000 meters above sea level”可知,火山海拔4 000多米, 故C项正确。 2.What is the feature of the eruption in 1984? A. It lasted a couple of days. B. The la