Unit 5 The power of nature概括大意Soot in areas with snow and ice may play all important role in climate change.Also，if snow and ice covered areas begin melting，the warming effect increases，as the soot becomes more concentrated on the snow surface.“This provides a positive feedback.As glaciers and ice sheets melt ，they tend to get even dirtier ，” said Dr.James Hansen，researcher at NASA’s Goddard Institute for Space Studies，New York.此段落的大意是：_______________________________________________________ Explanation of Increased Warming Effect Caused by Soot. 1画面描述 An elderly man is holding his umbrella to protect his beloved pet dog from the heavy rain，while he himself is walking in the rain. 漫画欣赏寓意理解 2In our society，many elderly folks are living in loneliness.So their pet is the only family member they have to whom they show their full attention. 你能否对此加以扩展，写一篇 120 词左右的小短文？ 课堂双基回归Ⅰ.词义辨析1.This volcano ________ many years ago，causing serious damage to villages around it. A．varied B．erupted C．swelled D．exposedB2．The store at the end of the street sells tents and other camping ________. A．equipment B．helmet C．exhibition D．possession3．The politician was ________ by the President as the Minister of Finance last week. A．advocated B．sponsored C．appointed D．predicted 4．The committee demanded to see all the official ________ concerning the sale of this land. A．candidates B．appointments C．adjustments D．documents5．She was found ________ but still breathing when the ambulance arrived. A．unconscious B．typical C．potential D．diverseACDA6．You would feel the whole house ________ as the train went by. A．glancing B．trembling C．panicking D．Erupting7．The mother’s ________ wer...
