London is such a wonderful city.It is very large.The Thames (泰晤士河) (1) ______ ( run ) through the city from west to east. So the city has two parts: the  South and the North.  
   The weather in London is good. In winter it is not very cold and in summer it is  not very hot _____ ( 2 )  the city is near the sea. People say that London is a foggy  city and it often rains. ( 3 ) ______ ( They ) opinions are right.  
   Last year , when I was in London I met one of the thickest ( 4 ) _____  ( fog ) in  years. You could hardly see your hand in front of your face. Cars and buses moved  along with their lights ( 5 )_____.  When evening fell , the weather got even  (6)_____ bad. The fog was as thick as milk. All the buses and cars ( 7 )_____  ( stop ) . I happened to have ( 8 )_____ important meeting on the other side of the  town, but it was ( 9 ) _____ ( complete ) impossible to find a car. I had to get there on  foot. I spent two hours ( 10 ) _____ ( walk ) there.

   Magawa is a six-year-old African rat. But he is ( 1 ) _____ unusual one. On September 25, 2020, he ( 2 )_____  ( win ) British Veterinary Charity PDSA's highest  animal award (奖项) for his excellent work .Magawa's job is to detect((探查) landmines (地雷)in Cambodia.
   An animal group in Belgium taught Magawa how to detect landmines.According  to the group, the rats are perfect for the ( 3 )_____  ( danger ) job. On the one hand,they are smart and can learn very ( 4 )_____  ( quick ) . On the other hand , they are  light and that allows them ( 5 ) _____ (walk)across fields without setting off (引爆) landmines.That means they work faster (6) _____ more safely than people.  
   Magawa is the group's most successful“student”. He is quite good at  (7) _____ ( do ) his job. He can clear out an area as big as a tennis court in  30 minutes ( 8 ) _____ ( he ) . Over the past four years, Magawa has helped clear out  over 141,000 km 2 of land and save ( 9)_____ ( hundred ) of people's lives.
   The wars ( 战争) in the past left landmines for today's people. Now over 60
million people in 59 countries face the problem of landmines.
   Hopefully. ( 1 0 ) _____ the help of Magawa and other animals like him, they will  be safe soon.  
参考答案：

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1--10 an, won, dangerous,quickly,to walk,and,doing,himself,hundreds,With
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