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Small paper 1. write a letter to a friend who will come to visit your company but you do not know him before and you are assigned by your boss to receive him in the airport, however, you can not be there on time since you have some urgent thing to dispose, explain the reasons and how to recognize him at the airport to the friend. Big paper 2. without doubt,Computer have brought an unprecedent advantage to human beings, considering more and more people start to use computer, such as pupils, how to prevent pupils from using computer or scientific calculator in the class of grammer and mathematics is a real challenge for primary school teachers, Please give some ideas to show your points on this issue and topic. | 
