/ 让学习更有效 新课备课备考 | 英语学科 / 让学习更有效 新课备课备考 | 英语学科 2025-2026学年八年级英语上册单元复习考点培优人教版（2024）Unit 4 Amazing Plants and Animals 专题12 阅读理解 学校:_____姓名：_____班级：_____考号：_____ The Amazing Cactus Cacti are special plants that mainly grow in deserts. Unlike most plants, they have thick stems instead of large leaves. These stems can store water, which is very important for living in dry places. Cacti come in many shapes and sizes. Some are as small as a tennis ball, while others can grow up to 20 meters tall. Their flowers are usually bright—pink, yellow, or red—and bloom for a short time each year. Why don’t cacti need much water One reason is their spines. Spines are like sharp needles that grow on the stems. They stop animals from eating the cactus and also reduce water loss by shading the plant. People in desert areas use cacti in different ways. Some eat the fruit of certain cacti, which is sweet and juicy. Others use the stems to make medicine. But cacti are also in danger because of overcollecting and habitat loss. 根据短文内容，选择最佳答案。 1．Where do most cacti grow A．In forests. B．In deserts. C．In rivers. D．In mountains. 2．What helps cacti store water A．Large leaves. B．Thin stems. C．Thick stems. D．Bright flowers. 3．What is the function of cactus spines A．To help the plant grow taller. B．To store extra water. C．To stop animals from eating the cactus. D．To make the plant look beautiful. 4．The underlined word “habitat” means _____ in Chinese. A．寿命 B．栖息地 C．品种 D．价值 5．Why are cacti in danger A．They get too much water. B．They bloom for a short time. C．Overcollecting and habitat loss. D．Their fruit is too sweet. The Amazing Journey of Arctic Terns Arctic terns are small birds with a big adventure. Every year, they travel from the Arctic to the Antarctic and back—this is the longest migration of any animal on Earth. The round trip can be over 70,000 kilometers! Why do they make such a long journey In summer, the Arctic is full of daylight, and there are plenty of insects for them to eat. They lay their eggs there. When winter comes, the Arctic gets dark and cold, so the terns fly south to the Antarctic, where it is summer and food is still easy to find. The journey is not easy. They must fly over oceans and deserts, facing strong winds and hungry predators. But Arctic terns are smart. They follow the sun and stars to find their way. They also fly in groups to stay safe. Scientists are amazed by these birds. Their bodies are built for long flights—they have strong wings and light bones. Even young terns can make the journey without their parents guiding them. This amazing ability has helped them survive for millions of years. 阅读理解题 6．How long is the round-trip migration of Arctic terns A．Over 7,000 kilometers. B．Over 70,000 kilometers. C．Over 700,000 kilometers. D．Over 17,000 kilometers. 7．The underlined word “predators” in Paragraph 3 means ... ...
~~ 您好，已阅读到文档的结尾了 ~~
