问题详情：
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.
【回答】
61. since 62. deeply 63. was 64. it 65. symptoms
66. known 67. a 68. including 69. better 70. was covered
知识点：语法填空
题型：未分类
