请听对话，选择正确答案。 1. Why is Shelley worried? [     ] A. Because she is out of work. B. Because she doesn't like working. C. Because she has no friends. 2. What is the best way to help Shelley? [     ] A. To take her out to have a delicious meal. B. To find the same kind of job for her. C. To help her find good friends. 3. What made Mary nervous? [     ] A. The bike. B. The car. C. The truck. 4. Why does the doctor ask Mary questions about her birthday? [     ] A. He wants to know whether Mary's head is all right. B. He wants to know how Mary celebrated her birthday. C. He wants to know if parties can make Mary better. 5. What does the first speaker do? [     ] A. A student. B. A teacher. C. A reporter. 6. How can we make our speeches more conversational? [     ] A. Try to speak instead of writing. B. Use right grammar (语法) rules. C. Make ourselves understood more easily. 7. What is a good speech like according to the speakers? [     ] A. Useful, interesting and with many examples. B. Easy, clear and full of facts. C. Short, real and with less grammar.