Ⅳ.短文填空:阅读下面材料,按照句子结构的语法性和语意连贯的要求在各题横线上填入一个适当的单词,使之通顺、完整。
In the Qinghai-Tibet Plateau the weather changes a lot in summer. You can experience "four seasons" in just one day.
The Qinghai-Tibet Plateau has a cool morning. When the sun comes 14. , the weather there becomes warm, just like spring. The weather at noon 15. very different from that in the morning. You may feel it like summer, 16. it is hot and the sunlight is so strong. You have to be careful about the weather in the afternoon. As the sun goes down, 17. temperature goes down. It becomes cool again, just like autumn. At night, the temperature gets very low, just like winter. You need 18. wear warm clothes.

14.out 15.is 16.because 17.the 18.to

Ⅴ.补全对话:根据下面对话中的情境,在每个空白处填入一个适当的语句,使对话恢复完整。
[Andy (A) is an exchange student from the UK. He and Binbin (B) are in the Nature Club.]
A: Hi, Binbin. I'm going to do a project about the Qinling Mountains. 19. ?
B: Sure. What do you want to know?
A: Let me see. 20. ?
B: They're in Shaanxi, the centre of China. They have a height of 2,000 metres in average above sea level.
A:21. ?
B:The highest mountain is Mount Taibai.
A:22. ?
B:It's more than 3,700 metres high.
A:Are there any valuable animals in the Qinling Mountains?
B:23. . Many valuable animals live there, such as pandas, golden monkeys and so on. They are home to wildlife.
A:I see. Thanks for your help!
B:You're welcome!

19.Can you help me
20.Where are the Qinling Mountains
21.What's the highest mountain
22.How high is Mount Taibai
23.Yes, there are(答案不唯一)