Unit4 Section B（1a～1f）同步练习2026-2027学年人教版英语八年级上册

**基本信息** 八年级上册Unit4 Section B同步练，以“基础过关+能力提升”分层设计，通过词汇→句型→语篇递进路径巩固知识，助力语言能力与思维品质发展。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础过关|核心词汇（拼写、词形变化）、基础句型（英译汉）|通过单词拼写（如“想象”“蜂蜜”）、词形转换（如disappoint→disappointed）夯实基础，英译汉强化句型理解| |能力提升|语篇理解（阅读还原、完形）、语法综合应用（语法填空）|阅读还原（五选四）训练逻辑思维，完形填空（蜜蜂行为）融合上下文推断，语法填空（生态主题）考查语篇中语法运用|

八年级上册RJ Unit4 Section B（1a~1f）同步练习 基础过关 一、根据句意及汉语提示填写单词 根据句意和中文提示，写出单词的正确形式。 1. ________（想象） you have a million dollars. What would you do? 2. She added some ________（蜂蜜） to her tea because she liked sweet tea. 3. We need to take better care of our ________（星球） to make us live better. 4. These ________（商店） are open 24 hours a day. You can go there anytime. 5. It’s raining outside. You need warm clothes to ________（保护） you against the cold. 二、用括号内所给单词的适当形式填空 根据句子语法结构，用所给单词的正确形式填空。 1. She was ________ (disappoint) when she knew that she didn’t get the job. 2. There is a strong ________ (connect) between diet and health. 3. His quick ________ (act) saved the little child from danger. 4. We ________ (communicate) in English when we met some foreign tourists in the park. 5. We all know the ________ (important) of learning English well. 6. ________ (human), plants and animals share the same planet. 7. I saw several ________ (ant) carrying food back to their home just now. 8. We can’t live ________ (with) air, so we should try our best to keep the air clean. 9. Fifty per cent of the water in this area ________ (be) for farming. 10. The little boy looks ________ (worry) because he can’t find his toy. 三、英译汉 将下列英文句子翻译成通顺、完整的中文。 1. The old tree is home to a family of birds. ________ 2. Her great writing skills are connected with her good reading habits. ________ 3. She said she was busy. In fact, she just didn’t want to go out. ________ 4. He was ill. For this reason, he couldn’t attend the meeting. ________ 5. Team spirit plays an important part in the football match. ________ 6. He saves money every month in order to buy a new bike. ________ 能力提升 一、阅读还原（五选四） 阅读短文，从A-E五个选项中选出最佳句子填入文中空白处，有一项多余。 Think about a world without insects. It might sound nice at first. There would be no flies in your room. 22. ________ The number of insects is becoming less and less, according to the British biologist Dave Goulson. “In the 27 years from 1989 to 2016, the number of insects fell by 75 percent,” Goulson wrote. 23. ________ They are bad for the places that insects live in. What would happen without insects? It’s really difficult to give an answer. But the results would be far-reaching. We need insects to pollinate crops. They also break down dead plants and animals and turn them into new useful things. We need them to keep the soil healthy and do much more. 24. ________ They would go hungry and die. The ecosystem would be off balance. “The first step to stop this is to let more people understand the value of the natural world,” Goulson said. “25. ________ We should encourage them to protect the environment from an early age.” A. But in fact, this could be really bad news. B. The best place to start is with our children. C. Without insects, many animals would have nothing to eat. D. Everyone should play a part in protecting the environment. E. Scientists say the main reason for this is the use of pesticides. 22. ________ 23. ________ 24. ________ 25. ________ 二、完形填空（单项选择） 阅读短文，从每题A、B、C三个选项中选出最佳答案。 Everyone knows bees are busy. In English, there is even a 26. ________ and that is “as busy as a bee”. However, few people know about how bees play. Some scientists from Queen Mary University of London have found out the truth. The scientists did some tests on bees’ “playing” with different things. They wanted to know how bees could 27. ________ after a busy day. After studying the tests, they found some interesting 28. ________. The way the bees played with the ball was a little like how humans play. The bees especially liked playing with small wooden balls. 29. ________ bees rolled more balls than old bees. Adult male bees 30. ________ more time playing with the balls than adult female bees did. There were 45 bees in the tests. They had two 31. ________. The first one was to fly or walk directly to eat sweet food 32. ________ get enough energy. The second one was to eat sweet food 33. ________ flying or walking around some small colourful balls. Most of the bees chose to play with the balls first and then get sweet food. A scientist said the bees have 34. ________ like happiness and sadness, and that they also love to play. She added those insects are 35. ________ than we think. So if you think insects are silly, you are wrong. 26. ( ) A. word B. saying C. song 27. ( ) A. relax B. eat C. sleep 28. ( ) A. games B. facts C. lessons 29. ( ) A. Small B. Young C. Tall 30. ( ) A. saved B. gave C. spent 31. ( ) A. choices B. examples C. reasons 32. ( ) A. in order to B. so that C. because of 33. ( ) A. after B. before C. without 34. ( ) A. activities B. feelings C. differences 35. ( ) A. sillier B. friendlier C. cleverer 三、语法填空 阅读短文，在空白处填入1个适当的单词或括号内单词的正确形式。 In daily life, people, animals and plants are all connected. Bees are one of the best examples of this 36. ________ (connect). In warm weather, we see bees fly among the 37. ________ (flower). They carry pollen from one flower to another. This action 38. ________ (help) plants grow well. Actually, about 80 per cent of the plants in the world can’t grow 39. ________ their work. For this reason, many scientists believe that bees are the 40. ________ (important) animals on this planet. There are many interesting things about bees. One thing is that they work hard together to make their homes. They create honeycombs 41. ________ (store) honey. Another thing is that a bee can tell the others where 42. ________ how far away the food is by dancing. Bees play 43. ________ important part in the ecosystem of our planet. Now scientists are worried because the number of bees is 44. ________ (drop). We should do something useful to protect 45. ________ (they). For example, we can plant more trees because trees can give bees food and they are home to bees. 36. ________ 37. ________ 38. ________ 39. ________ 40. ________ 41. ________ 42. ________ 43. ________ 44. ________ 45. ________ 学科网（北京）股份有限公司 $