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四、(2026·名师原创)回答问题
KEY→P35
范畴:人与自然 主题:自然奥秘 体裁:说明文 难度:★★★ 建议用时:6分钟 评价:/5
A23a is the world's largest iceberg(冰山). It has started to move again after staying in the same place for more than 30 years. It is now slowly travelling across the Southern Ocean near Antarctica(南极洲).
A23a is huge. It is about 400 metres thick and covers a large area. Its journey has been full of interesting and amazing stories. The iceberg first broke away from the ice shelf in Antarctica in 1986. Soon after that, it stopped on the seafloor and couldn't move at all.
So why is it moving again now? Scientists say the iceberg melted a little and became lighter. This helped it move away. They also say this is natural and is not directly caused by climate change.
Scientists think A23a will move towards warmer waters. When it reaches those places, it will probably break into smaller pieces.
"It's really exciting to see A23a on the move again after stopping for so long," said Andrew Meijers, one of the scientists. Scientists are now watching A23a closely. They think studying the changes can help people understand how such giant icebergs influence sea animals and the environment along the way.
In a word, it is very important to pay attention to changes in nature. Changes in nature help to protect the environment.
——文章选自 National Public Radio
根据短文内容,回答下列问题。每题答案不超过9个词。
1. How long did A23a stay in the same place?
2. When did A23a first break away from the ice shelf?
英语嗨吧
3. Why is A23a moving again now?
4. What will probably happen when it reaches warmer waters?
5. Is it important to pay attention to changes in nature? Why?
KEY→P35
范畴:人与自然 主题:自然奥秘 体裁:说明文 难度:★★★ 建议用时:6分钟 评价:/5
A23a is the world's largest iceberg(冰山). It has started to move again after staying in the same place for more than 30 years. It is now slowly travelling across the Southern Ocean near Antarctica(南极洲).
A23a is huge. It is about 400 metres thick and covers a large area. Its journey has been full of interesting and amazing stories. The iceberg first broke away from the ice shelf in Antarctica in 1986. Soon after that, it stopped on the seafloor and couldn't move at all.
So why is it moving again now? Scientists say the iceberg melted a little and became lighter. This helped it move away. They also say this is natural and is not directly caused by climate change.
Scientists think A23a will move towards warmer waters. When it reaches those places, it will probably break into smaller pieces.
"It's really exciting to see A23a on the move again after stopping for so long," said Andrew Meijers, one of the scientists. Scientists are now watching A23a closely. They think studying the changes can help people understand how such giant icebergs influence sea animals and the environment along the way.
In a word, it is very important to pay attention to changes in nature. Changes in nature help to protect the environment.
——文章选自 National Public Radio
根据短文内容,回答下列问题。每题答案不超过9个词。
1. How long did A23a stay in the same place?
For more than 30 years.
2. When did A23a first break away from the ice shelf?
In 1986.
英语嗨吧
3. Why is A23a moving again now?
Because the iceberg melted a little and became lighter.
4. What will probably happen when it reaches warmer waters?
It will probably break into smaller pieces.
5. Is it important to pay attention to changes in nature? Why?
Yes, because the changes help to protect the environment./Yes. It may affect the environment and human life./Yes. It helps us notice environmental problems early.（言之有理即可）
答案
本文介绍了世界最大冰山 A23a 的相关情况，包括它在同一地点停留的时间、再次移动的原因、移动后的可能变化，以及关注自然变化的重要性。
1. For more than 30 years. 根据“It has started to move again after staying in the same place for more than 30 years.”可知，A23a 在同一地点停留了 30 多年。
2. In 1986. 根据“The iceberg first broke away from the ice shelf in Antarctica in 1986.”可知，A23a 在 1986 年首次脱离南极冰架。
3. Because the iceberg melted a little and became lighter. 根据“Scientists say the iceberg melted a little and became lighter. This helped it move away.”可知，冰山再次移动是因为它融化了一点，变得更轻了。
4. It will probably break into smaller pieces. 根据“When it reaches those places, it will probably break into smaller pieces.”可知，当它到达温暖水域时，可能会碎裂成更小的几块。
5. Yes, because the changes help to protect the environment./Yes. It may affect the environment and human life./Yes. It helps us notice environmental problems early.（言之有理即可）
1. For more than 30 years. 根据“It has started to move again after staying in the same place for more than 30 years.”可知，A23a 在同一地点停留了 30 多年。
2. In 1986. 根据“The iceberg first broke away from the ice shelf in Antarctica in 1986.”可知，A23a 在 1986 年首次脱离南极冰架。
3. Because the iceberg melted a little and became lighter. 根据“Scientists say the iceberg melted a little and became lighter. This helped it move away.”可知，冰山再次移动是因为它融化了一点，变得更轻了。
4. It will probably break into smaller pieces. 根据“When it reaches those places, it will probably break into smaller pieces.”可知，当它到达温暖水域时，可能会碎裂成更小的几块。
5. Yes, because the changes help to protect the environment./Yes. It may affect the environment and human life./Yes. It helps us notice environmental problems early.（言之有理即可）
