ĐỌC VÀ TRẢ LỜI CÂU HỎI I often hear or read about “natural disaster” – the eruption of Mount St Helen, avocano in the state of Washington, Hurricane Andrew in Florida, the floods in the American Midwest, terrible earthquakes all over the world, Huge fires, and soon. But I’ll never forget my first personal experience with the strangeness of nature – “The London killer fog” of 1952 . It began on Thursday, December 4th When a high – pressure system (warm air) covered southern England with the Freezing – Cold air below, heavy fog formed . Pollution from factories, cars and coal stones mixed with the fog the humidity was terribly high, there was no bneeze at all. Traffic (cars, trains and boats) stopped. People couldn’t see and some walked into the railroad tracks or into the river. It was hard to breathe and many people got sick. Finally on Tuesday, December 9th, the wind came and the fog went away . But after that, even more people got sick, many of them died. 16. Which can be the best title for the passage? A. natural disaster B. Earth quakes C. Hurricane Andrew in Florida D. The London killer fog 17. Which natural disaster isn’t mentioned in the text ? A volcanic eruption B. A flood C. A hurricane D. A tornado