请听下面一段材料。回答第1-3题。 1. What were the students going to do? A. They were going to read their articles before a video camera. B. They were going to read news on TV. C. They were going to celebrate the writer's sister's birthday. 2. Why was the writer so nervous? A. He had never stood before a video camera. B. He had never read his own article before a video camera. C. This camera was different from the one he had once faced. 3. What was the writer's feelings to his class teacher? A. Nervous. B. Afraid. C. Thankful.