五、请再听一遍对话，从题中所给的A、B、C三个选项中选出最佳答案。
() 16. What has Mike heard about?
A. Huangshan Mountain. B. The Li River.
C. The Stone Forest.
() 17. What is the possible relationship between the two speakers?
A. Cousins. B. Classmates.
C. Teacher and student.
() 18. Where will the two speakers go?
A. To the playground.
B. To the teachers' office.
C. To the library.

16.C 17.B 18.C

六、欢迎来到“深蓝探索”夏令营。请根据情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。
Camp teacher: Welcome to our Ocean Discovery Camp! Let's learn some amazing ocean facts.
Question one: 19. ?
Student 1: Is it in the Mariana Trench?
Camp teacher: Excellent! 20. ?
Student 2: It's about 11,000 meters deep. I've learned this in one of my geography classes.
Camp teacher: Well done! Next question: 21. ? Does anyone know?
Student 2: The sharks! And there are also many other fishes living in the deep sea.
Camp teacher: Good guess! Now many countries start to pay attention to the deep sea. Do you know why?
Student 3: 22. .
Camp teacher: Good point! So protecting the deep sea is to protect ourselves.
Students: Yes!
Camp teacher: One more question: What should we do to protect the deep sea?
Student 4: 23. .
Student 5: And we should make rules to encourage everyone to take action.
Camp teacher: Exactly! I'm so happy that you all have learned something about the deep sea and I hope you can enjoy yourselves during our Ocean Discovery Camp.

One possible version
19. Where is the deepest point in the ocean
20. How deep is it
21. What animals live in the deep sea
22. Because the deep sea is very important to us
23. We should not catch too many fish in the deep sea / We must not throw rubbish or pour dirty water into the sea

【分析】
补全对话需先通读对话，把握主题为“深海探索夏令营”的问答场景，结合答句内容反推对应问句或答句，确保上下文逻辑连贯、符合日常英语表达习惯。具体思路：19空根据学生的位置类问句，反推老师问海洋最深点的位置；20空根据学生答的深度，反推老师问深度；21空根据学生答的动物，反推老师问深海的动物；22空根据老师问“为什么关注深海”，答句用Because说明原因；23空根据问“怎么保护深海”，答句提具体保护措施。
【解析】
19. 由学生的回答“Is it in the Mariana Trench?”可知，老师的问题是询问海洋最深点的位置，故填Where is the deepest point in the ocean；
20. 由学生的回答“It's about 11,000 meters deep.”可知，老师的问题是询问深度，故填How deep is it；
21. 由学生的回答“The sharks! And there are also many other fishes living in the deep sea.”可知，老师的问题是询问深海的动物，故填What animals live in the deep sea；
22. 由老师的问题“Do you know why?”可知，学生需回答关注深海的原因，结合语境“保护深海就是保护自己”，故填Because the deep sea is very important to us；
23. 由老师的问题“What should we do to protect the deep sea?”可知，学生需回答具体的保护措施，故填We should not catch too many fish in the deep sea（或We must not throw rubbish or pour dirty water into the sea）。
【答案】
19. Where is the deepest point in the ocean
20. How deep is it
21. What animals live in the deep sea
22. Because the deep sea is very important to us
23. We should not catch too many fish in the deep sea / We must not throw rubbish or pour dirty water into the sea
【知识点】
日常交际用语、特殊疑问句运用
【点评】
本题为情景对话补全题，围绕深海主题展开，考查学生对语境的理解及日常英语表达的运用能力，难度适中，需结合上下文逻辑推导答案，符合初中英语的考查要求。
【难度系数】
0.6