《高中英语语法-高三英语入学训练试题题之三》由英语编辑整理,更多请访问:https://m.liuxue86.com/english/。本内容整理时间为05月12日,如有任何问题请联系我们。
高三英语入学训练试题题之三
’s drinking water supply,as well as damaging plants(种植园) that produce fruit and vegetable. Without urgent(紧急的) help, the country’s days are numbered.
But Tuvalu is not the first place to face sinking into the sea. Venice, a historic city in Italy best known for its canals, has sunk about 24cm over the past 100 years. Experts say that it will have sunk another 20~50cm by 2050. A century ago, St. Mark’s Square, the lowest point in the city, flooded about nine times a year. Nowadays, it happens more than 100 times.
While Venice is slowly sinking into the mud on which it stands, Tuvalu’s rising sea level is caused by global warming.
The average global temperature has increased by almost 0.5 centigrade degree over the past century, scientists expect it to rise by an extra 1~3 degrees over the next 100 years.
Warmer weather makes glaciers (冰川) melt, adding more water to the ocean. The warmer temperatures also make water expand, so it takes up more space, causing the sea level to rise. The sea level has risen about 10~25cm in the last 100 years.
The main cause of global warming is human pollution. Through burning coal, oil and gas, people have been increasing the greenhouse gases in the atmosphere, such as CO2. This adds to the power of the greenhouse effect, making the planet even warmer.
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