题目内容
11．---In Beijing，you can see many people wear masks（口罩） if they _______ out on foggy days．（ ）| A． | went | B． | go | C． | are going | D． | will go |
分析 在北京，如果人们在大雾天出去时，你会看见许多人都戴着口罩．
解答 正确答案：B．本句是if引导的条件状语从句，主句可用一般将来时或者一般现在时，从句则用一般现在时，从句主语是they，根据句意应选择B．
点评 本题考查if引导的条件状语从句，基础题，根据主从句时态即可作出选择．
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For international travelers，the lessons are the greatest．Taking that first step to cross the ocean by plane or boat is a risk．It teaches people to see more and people can go beyond one land，one country，and one set way of thinking and doing things．
International travel opens up the mind with different cultures．Travelers see how different people do things in different lands．While this experience is exciting for adults，children get the greatest insights（洞察力） during the international exploration．It will help to form their understanding from a very young age．It wll help them understand that differences among people and cultures can be quite exciting and wonderful in its own way．Fashion，art，science，transportation，religion（宗教），geography，geology（地质学） and social studies are all areas of learning outside of the books when traveling in foreign countries．There is no other way that can teach so much information in such a shorttime．
You can learn more from travel than from any other educational experience．If you take no notice of everything you see，then surely you will learn nothing at all．But，if you are curious enough to look for new experiences through travel，you can learn more than from any course in any university on the earth!
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