题目

   I like traveling. I have traveled to many places  61  I went to college, and my travel to Tibet impressed me  62  (deep). I took the train there with my friends and enjoyed the scenery all the way. When the train  63  (be) close to Tibet, I had a headache. Then I found  64   difficult to breathe and felt exhausted. I knew that all my  65  (symptom 症状) were called altitude（海拔）sickness. And it took me a few hours to get used to it.     Tibet,  66  (know) as the “Roof of the World”, has  67  great many world-famous places of interest  68  (include) the model of Tibetan architecture, Potala Palace and Mount Everest. So when I felt a little  69  (well), I couldn’t wait to head towards them. I was surprised to find that the top of Mount Everest  70  (cover) with snow even in July and when the sun came out, it became pure and beautiful. 答案：61. since     62. deeply     63. was           64. it        65. symptoms 66. known    67. a         68. including       69. better    70. was covered

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