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人教版新课标必修3 Unit 5 Canada—“The True North” Part one: Multiple choice 1.________by a group of children，the old man was delighted. A．SurroundedB．Surrounding C．To be surroundedD．To be surrounding 2.I called the airline to________my flight reservation a week before I left for Toronto. A．seeB．consult C．confirmD．strengthen 3.The new teacher made a good________on the students by her rich knowledge and humorous talk. A．feeling B．effect C．impressionD．sense 4． The conference has been held to discuss the ________of global warming on people’s lives all over the world. A．importanceB．effects C．protectionD．impression 5.When someone________，he or she starts living a quiet life in one place，especially when he or she gets married or buys a house. A．sets downB．settles down C．moves downD．puts down 6.The practice of hanging clothes across the street is a common________in many parts of the city. A．lookB．sign C．sightD．appearance 7．At the railway station，the mother waved goodbye to her daughter until the train was________. | 
