Unit 5 知识点 D部分练习 2025-2026学年沪教版（五四学制）七年级英语下册

七年级英语下册Unit5知识点-D部分练习 小试牛刀 A. 选用方框中的短语填空(每个限用一次) | put us in danger | get hurt by | communicate with | find our way around | drop sharply | 1. Your boats and ships are _. 2. We easily _ fishing nets because of our huge size. 3. The noise from ships makes it hard for us to _ each other. 4. We cannot _ when there is too much noise. 5. In the past 10 years, our number has _. B. 句型转换(改为一般疑问句并作肯定或否定回答) 1. Blue whales are one of the largest living animals on the planet. 一般疑问句:_ 肯定回答:_ 否定回答:_ 2. Fishing nets easily hurt blue whales. 一般疑问句:_ 肯定回答:_ 否定回答:_ 3. Ships make so much noise that whales cannot communicate. 一般疑问句:_ 肯定回答:_ 否定回答:_ 配套练习 A. 单项选择( ) 从A、B、C、D中选择最佳答案。 1. Who wrote the letter? A. Humans. B. Blue whales. C. Fishing boats. D. Scientists. 2. Where do these blue whales live? A. In the Arctic waters. B. In the Antarctic waters. C. In the Pacific Ocean. D. In the Atlantic Ocean. 3. Why are blue whales easily hurt by fishing nets? A. Because they are slow. B. Because of their huge size. C. Because they cannot see well. D. Because they swim too fast. 4. What happens when ships make too much noise? A. Blue whales become happy. B. Blue whales cannot communicate or find their way. C. Blue whales sing louder. D. Blue whales leave the ocean. 5. What is the purpose of the letter? A. To say hello. B. To ask for help and protection. C. To complain about the weather. D. To invite humans to visit. B. 完成句子( ) 根据蓝鲸的求助信内容,用正确的词汇完成句子。 1. 我们是一些在南极海域的蓝鲸。 We are some blue whales in the _ waters. 2. 我们写信是请求帮助。 We are writing to ask for _. 3. 我们不得不说,你们的船只正在把我们置于危险之中。 We have to say your boats and ships are _ us in _. 4. 当我们靠近海面时,更容易被行驶的船只撞到。 When we are close to the _ of the ocean, we are more likely to be hit by moving ships. 5. 我们需要你们的关心和保护。 We need your _ and _. 拓展思考 Part 1(以某种野生动物的身份写一封求助信) 写一段话(至少5句)。介绍自己,说明面临的问题,请求帮助。 使用以下表达:Dear humans, we are, we are writing to ask for help, we have to say that, please do something to help us _ _ _ _ _ Part 2(给同学写一段话,解释为什么蓝鲸需要人类的帮助) 写一段话(至少5句)。蓝鲸面临哪些威胁?人类可以做什么? 使用以下表达:Blue whales need our help because, they are hurt by, ships also, we can help by, I think _ _ _ _ _ Part 3(为什么写信时要礼貌地提出问题?) 写一段话(至少5句)。解释礼貌的表达如何让对方更愿意提供帮助。 使用以下表达:When we ask for help, we should be polite because, if we are rude, people may, using phrases like “we have to say that” shows, being polite helps _ _ _ _ _ 参考答案与解析 小试牛刀 A 1. putting us in danger 2. get hurt by 3. communicate with 4. find our way around 5. dropped sharply 小试牛刀 B 1. Are blue whales one of the largest living animals on the planet? Yes, they are. / No, they aren’t. 2. Do fishing nets easily hurt blue whales? Yes, they do. / No, they don’t. 3. Do ships make so much noise that whales cannot communicate? Yes, they do. / No, they don’t. 配套练习 A 1. B 2. B 3. B 4. B 5. B 配套练习 B 1. Antarctic 2. help 3. putting, danger 4. surface 5. care, protection 拓展思考(示例) Part 1 Dear humans, we are giant pandas living in the bamboo forests of China. We are writing to ask for help. We have to say that our home is being destroyed by deforestation. Please do something to protect our forests. We need your care and protection. Part 2 Blue whales need our help because they are easily hurt by fishing nets and ship strikes. Ships also make loud noises that stop them from communicating. We can help by making slower ships and quieter engines. I think protecting whales is protecting the health of our oceans. Part 3 When we ask for help, we should be polite because people are more willing to listen and help if we are respectful. If we are rude, they may ignore us. Using phrases like “we have to say that” shows that we are sharing a difficult truth gently. Being polite helps build understanding and cooperation. 1 学科网(北京)股份有限公司 $