Ⅳ.选择句子完成下列对话。(其中有两项是多余的)
A. Are there any in Asia?
B. What about waterfalls?
C. These wonders are so cool.
D. Global warming is harming it.
E. I once read a book about natural wonders in Asia.
F. Do you prefer climbing mountains to visiting natural parks?
G. My teacher said it's a huge valley cut by the Colorado River.
Alice: Hi, Bruce! Have you ever heard of the natural wonders around the world? They are so amazing!
Bruce: Yes! I know the Grand Canyon in the US. 1. Is that true?
Alice: Exactly! It's about 446 kilometres long and looks like a big crack in the earth. What else do you know?
Bruce: The Great Barrier Reef in Australia! My mum showed me pictures—thousands of colourful corals and fish live there. But isn't it in danger now?
Alice: You're right. 2. The Northern Lights are another wonder! They light up the sky in green and purple in countries like Norway.
Bruce: Wow, that sounds magical! 3.
Alice: Sure! The Himalayas have the highest mountain in the world, Mount Qomolangma. Besides, Zhangjiajie, in China, is a wonderland of stone pillars. A famous movie was filmed there.
Bruce: Really? I want to visit them someday. 4.
Alice: Victoria Falls in Africa is massive! It's so wide that people call it "the smoke that thunders".
Bruce: 5. We must protect them.
Alice: Yes! They're gifts from nature.

1.G 2.D 3.A 4.B 5.C

【分析】
本题为英语补全对话题，解题思路如下：1. 先通读对话，明确话题为讨论世界各地的自然奇观；2. 逐个分析每个空缺处的前后句，从话题衔接、问答逻辑、语境顺承等角度匹配选项；3. 排除多余选项，确定最终答案。
【解析】
1. 第1空：前文Bruce提到美国的大峡谷，后文Alice解释大峡谷是科罗拉多河切割的巨大山谷，选项G正好是对大峡谷的描述，符合语境，故选G。
2. 第2空：前文Bruce问大堡礁是否处于危险中，Alice回答“你说得对”，选项D“全球变暖正在伤害它”解释了大堡礁处于危险的原因，衔接自然，故选D。
3. 第3空：前文Alice提到北极光，后文Alice回答了亚洲的喜马拉雅山、张家界等自然奇观，选项A“亚洲有吗？”引出亚洲的自然奇观，符合逻辑，故选A。
4. 第4空：后文Alice回答了非洲的维多利亚瀑布，选项B“瀑布呢？”衔接上下文，引出瀑布相关话题，故选B。
5. 第5空：前文Bruce听完多个自然奇观的介绍，选项C“这些奇观太酷了”表达感叹，符合语境，故选C。
【答案】
1.G 2.D 3.A 4.B 5.C
【知识点】
英语补全对话、语境理解、日常交际用语
【点评】
本题围绕“自然奇观”话题考查补全对话，需结合上下文的话题延续、问答关系选择合适句子，难度适中，学生理清对话脉络即可完成解答。
【难度系数】
0.6