听下面一段材料，回答第1～3题。 1. What is the speaker doing? A. Giving a speech. B. Advertising on TV. C. Giving a training course. 2. What has the center been doing in recent years? A. Giving young people advice about jobs. B. Offering young people suitable jobs. C. Talking to young people about their problems. 3. What time is the center available? A. 9: 00 a. m.-5: 30 p. m. on work days. B. 9: 00 a. m.-5: 30 p. m. each day. C. 9: 00 a. m.-5: 30 p. m. except Sunday.