1. Sydney; 2. Australia; 3. a long-distance train; 4. get on; 5. get off; 6.Alice Springs

7. We ate great meals (which were) cooked by experts.

8. We saw abandoned farms which were built more than a hundred years ago.

9. look out of; 10. at midnight; 11. a long time ago; 12. Afghanistan; 13. be short for;

14. trained camels; 15. the 1920s; 16. not...any more.

四．合作探究 BCDDA

五．巩固检测

Ⅰ. 1. ride; 2. Sydney; 3. off; 4. cooked; 5. scenery; 6. abandoned; 7. built; 8. books;

9. passengers; 10. sky; 11. short; 12. horses; 13. trained; 14. railway; 15. any;

16. more.