考点规范练19(选修7　ThemeA)

　　　考点规范练第38页　 

　　.阅读理解1.According to a new analysis,we are rapidly approaching major climate change and the effects on society and the environment could be quite serious.Geographers predict that within the next eighty years,climate zones could completely disappear,determining where crops will be grown.Polar regions get colder while tropical regions get even hotter,forcing animals to move to the north.

　　Climate changes like these could lead to the spread of diseases.Tropical storms and hurricanes will not only increase but may also become stronger.If the changes come too quickly,animal and plant species may not be able to adapt fast enough and could disappear.

　　According to ScienceDaily,a new study predicts that,by the year 2100,many of today’s familiar climates will be replaced by climates unknown in today’s world.It is urgent that we reduce the risks of far-reaching results for the whole world.The planet itself has been showing signs of change.In 2004,a huge tsunami created by a major earthquake killed thousands in Sumatra and in 2008,thousands more died in China in another big earthquake.Egypt was hit in 2009 with a major earthquake and Haiti was destroyed seriously in 2010 by yet another big earthquake.

　　Not long ago,scientists discovered ice melting in west Antarctica.This is very worrying because temperatures in this area have remained rather constant and actually even lower at times.Melting occurs when temperatures increase and since the temperatures have remained normal,the ice should not be melting.However,satellite data shows melting around west Antarctica.

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