听较长对话，选择正确答案。 听第一段对话，作答第1-2小题。 1. Why does Helen look unhappy? [     ] A．Because she argued with her mother. B．Because she argued with her father. C．Because she argued with her best friend. 2. What clothes did Helen want to buy? [     ] A．Li Ning's clothes. B．Adidas'clothes. C．Nike's clothes. 听第二段对话，作答第3-5小题。 3. Does Jenny have any DVDs about space? [     ] A．No, she doesn't. B．Yes, she does. C．No, she won't. 4. What did the science teacher ask Jenny to look for? [     ] A．Some information about travel. B．Some information about space. C．Some information about DVDs. 5. What does Tom think of space? [     ] A．It is boring. B．It is terrible. C．It is amazing.