2017-2018学年高中英语必修三课后阅读作业: 十三 Module 4 Period 1 Introduction Reading and Vocabulary 文本研读课
There has been a dramatic increase in the number ofnatural disasters over the past few years, and it is assumedthat global warming and climate change could cause evenmore disasters in the future. Some of the world’s leadingcities are facing disasters like floods and heat waves.LondonLondon’s flood defences are getting older. Since 1982, the ThamesBarrier(水闸)has protected the city from the threat of flooding, but itwas only designed to last until 2030 and close once every two or threeyears. About 26 years later the barrier now closes five or six times a yearand according to Environment Agency predictions, by 2050 the barrierwill be closed on almost every tide if the problem is not addressed.