一、听音,选择。(10分) ( )1. A. 15kg B. 15cm C.50kg ( )2. A. clean B. climb C. climbed ( )3. A. take B. tail C. took ( )4. A. play football B. play the piano C. go by plane ( )5. A. wash B. watch C. wear ( )6. A. buy B. bike C. nine ( )7. A. ski B. skate C. snake ( )8. A. present B. parents C. pear ( )9. A. I’m fine. B. I’m nine. C. I’m five. ( )10. A. He’s sad. B. He’s sick. C. She’s thin.