题目

Travel is a very good activity．When traveling, you can relax    48  ．forget your tiredness or troubles, and have the energy to take on the new tasks waiting for you． But sometimes traveling is not   49   enjoyable thing．For example, the weather can be changeable．If you climb a mountain, it may rain suddenly．You may be caught   50  the rain and may catch a cold．The   51   thing is that you may have your money stolen    52   you may have an injury．All these terrible things are   53   can happen to you． Therefore, when you are going on a trip, you must make a good preparation．Firstly, you must have clear information about the weather． 54  , you should choose a good companion so that you can help each other．Thirdly, you must be careful enough and try to avoid accidents．55_ you do this, you will surely enjoy your travel． 答案：48 yourself/yourselves       49. an       50.in            51.worst   52.or              53.what              54.secondly       55.If

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