题目内容
One winter day ____, he saw the tracks of animals in the snow and observed that the appearance of each one was different.
- A.while he hunting
- B.while hunting
- C.while he hunt
- D.while hunted
考查非谓语动词。根据后面的he saw.可知，C项时态不符合要求。While.部分作的是时间状语，A，D项应该为while he hunted ，B，while hunting="while" he hunted
One winter during college in New York, I took an 8: 00 a.m. history class. The professor was very __36 in class. He just looked at his lecture notes and __37__ looked up at us. I felt that I needed to get rid of my boredom, so I created a little __38__ for myself. I tried to find something from his lecture to ask a question about, forcing me to __39__ rather than letting my eyes close. The first time I raised my hand, he was surprised, but obviously pleased to have a question to answer. __40__ , his answers were always interesting. I continued to do this every day in the course and found my-self ac tually __41__ the material. The professor became a bit more __42__ and some other students also joined me in asking questions. My little game had __43__ me from being bored, __44__ it was expected to do. I learned a lot about world history in the discussions with him. The professor obviously knew his material, but had a hard time __45__ it on to his undergraduates in an interesting way. On the last day of class we gathered our books and headed for the door for the last time. The shy professor stepped directly in front of me as I reached the door. "Thank you for making this class so interesting,"
he said. I was so surprised. To me, it had been a pleasant way to pass the time; I had no idea that my asking questions had an effect on him and the others at all. That moment has stayed with me for 30 years. Each of us can have a(n) __46__ not just on our own experiences, but on those of others, and I’ll never forget the professor who taught me a lesson about the power of acts of kindness, intended __47__ not.
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