听第一段长对话,回答第11至12小题。
()11. Where is Qomolangma?
A. In China only. B. In the Himalayas.
C. Between China and India.
()12. What do we know about Qomolangma?
A. It's the tallest mountain in the world.
B. No climbers have reached its top.
C. It's shorter than some other mountains.

答案略

听第二段长对话,回答第13至14小题。
()13. Which continent(大洲) is the Nile in?
A. Asia. B. Africa. C. Europe.
()14. What's special about the Nile?
A. It's the longest river in the world.
B. It's about 6,000 kilometers long.
C. It only passes through one country.

答案略

听第三段长对话,回答第15至17小题。
()15. What is the Caspian Sea?
A. A small sea in Europe.
B. The biggest salt lake in the world.
C. A river between Europe and Asia.
()16. Where is the Caspian Sea?
A. Between Europe and Asia.
B. In Africa.
C. In North America.
()17. What do we know about the Caspian Sea's water?
A. It's not salty.
B. It's saltier than the ocean.
C. It's as salty as a river.

答案略