Question

用所给单词的适当形式填空，未提供单词的限填一词，将答案写在答题卷上。

Denis Rancourt is a famous professor of physics at the University of Ottawa. As a leading expert in his research field, he 1. (write) hundreds of scientific papers so far. One day, he decided 2. (change) his teaching method which he had used for over twenty years.

It all started a few years earlier. While doing research, he found that water and land were being polluted and farms were disappearing. As a person who cared3. (deep) about the environment, Denis decided to start a science course4.was open to everyone. He even invited some5.(science) to give talks on topics such as war, trade, medical care and environmental policy, And be encouraged students to think, discuss, and take action to make the world6.better place,

Once, a hall7. (fill) with over. 120 people who had come to listen to these lectures . Two 12-year-old twins even came to his class.

Denis became a controversial(有争议的) person. Some people praised him for his courage, social responsibility and8. (usual) teaching methods. However, others thought that he was ruining the reputation(名誉) of the university.

In an interview, some reporters asked him9.he did all of this at the risk(风险) of his own career. He said, “We, as educators, are responsible10.warning people about problems and encouraging everyone to become independent thinkers. We should try our best to stop bad things from happening.”

Answer 1