Unit4 知识点 Section A 1a-1d练习2025-2026学年人教版八年级英语上册

八年级英语上册Unit4知识点-Section A 1a-1d练习 小试牛刀 A. 选用方框中的形容词或最高级填空 | heaviest | largest | tallest | fastest | oldest | beautiful | big | fast | 1. The blue whale is the __________ animal in the world. It can weigh over 200 tons. 2. A cheetah is the __________ land animal. It can run very quickly. 3. Redwood trees are the __________. They can grow over 100 metres. 4. A giant tortoise can live for more than 100 years. It is one of the __________ animals. 5. Moss is __________, but it can grow almost anywhere. 6. The blue whale is also the __________ animal by size. 7. A cheetah is __________, but a turtle is slow. 8. A sunflower is __________. It has bright yellow petals. B. 句型转换（改为一般疑问句并作肯定或否定回答） 1. The blue whale is the largest animal in the world. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 2. Moss is small but beautiful. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 3. A cheetah can run faster than a lion. 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. — What’s amazing about the blue whale? — It's the ______ animal in the world. A. large B. larger C. largest D. most large 2. The cheetah is the ______ land animal. It runs very fast. A. fast B. faster C. fastest D. more fast 3. Redwood trees are very ______. They can grow over 100 metres. A. tall B. taller C. tallest D. most tall 4. A giant tortoise can live for more than 100 years. It is one of the ______ animals. A. old B. older C. oldest D. most old 5. Moss is ______, but it can grow almost anywhere. A. small B. smaller C. smallest D. the smallest B. 完成句子（★★） 根据动植物特征，用正确的形容词或最高级完成句子。 1. 蓝鲸是世界上最重的动物。 The blue whale is the __________ animal in the world. 2. 猎豹是跑得最快的陆地动物。 The cheetah is the __________ land animal. 3. 红杉树是世界上最高的树之一。 Redwood trees are one of the __________ trees in the world. 4. 苔藓很小，但很美丽。 Moss is __________, but it is __________. 5. 乌龟移动得很慢，而兔子很快。 A turtle moves __________, but a rabbit is __________. 拓展思考 写一段话（至少5句）介绍三种有趣的动植物。说明它们最特别的地方是什么（比如最大、最快、最古老等）。使用最高级和 It is the ... in the world. 等表达。 _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 参考答案与解析 小试牛刀 A 1. heaviest 2. fastest 3. tallest 4. oldest 5. small 6. largest 7. fast 8. beautiful 小试牛刀 B 1. Is the blue whale the largest animal in the world? Yes, it is. / No, it isn't. 2. Is moss small but beautiful? Yes, it is. / No, it isn’t. 3. Can a cheetah run faster than a lion? Yes, it can. / No, it can't. 配套练习 A 1. C 2. C 3. A (这里问的是特征，用原级tall，因为没说比较，只说“very tall”) 4. C 5. A 配套练习 B 1. heaviest 2. fastest 3. tallest 4. small; beautiful 5. slowly; fast 拓展思考（示例） There are many amazing plants and animals in the world. The blue whale is the heaviest animal on Earth. It weighs more than 200 tons. The cheetah is the fastest land animal. It can run up to 120 kilometres per hour. The giant sequoia tree is one of the tallest and oldest living things. Some are over 3,000 years old. Moss is very small, but it can grow on rocks and trees. I think nature is full of wonders. We should protect these amazing creatures and plants. They make our world beautiful and interesting. 1 学科网（北京）股份有限公司 $