Unit 4 Amazing Plants and Animals Section B 同步课 2026-2027学年人教版八年级英语上册

**基本信息** 八上 Unit 4 Amazing Plants and Animals Section B 同步课时练（满分100分），初中英语新授课同步练，以分层设计实现词汇→语法→语篇的渐进式知识巩固，适配课时教学目标。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|词汇与短语|单词拼写/词形变换/短语互译，聚焦核心词汇拼写与词性转换，夯实语言能力基础| |进阶层|语法与应用|单项选择/补全对话/句型转换，强化最高级等语法点及情景交际，提升思维品质| |综合层|语篇与表达|完形填空/书面表达，通过语篇理解与写作输出，培养综合语言运用能力|

八上 Unit 4 Amazing Plants and Animals Section B 同步课时练 满分：100 分 一、根据句意及首字母 / 汉语提示完成单词（每空 1 分，共 10 分） 1. Bees help with ________ (授粉) so most plants can grow fruit. 2. Bees build beautiful ________ (蜂巢) to store sweet honey. 3. All living things are closely ________ (联系) with each other on Earth. 4. We should take action to ________ (保护) wild animals and plants. 5. The blue whale can ________ (重达) up to 200 tons. 6. I felt d________ when all my lovely flowers died last week. 7. We need to understand the i________ of bees to the whole ecosystem. 8. The number of bees is d________ year by year, which worries scientists. 9. Frogs can live both on l________ and in the water. 10. We can i________ a world without fruits if there are no bees. 二、用所给单词适当形式填空（每空 1 分，共 10 分） 1. Bees are one of ________ (important) animals on the planet. 2. The blue whale is ________ (large) animal in the whole world. 3. Bees visit fifty to one hundred flowers ________ (one) single trip. 4. Their job ________ (help) about 80% of plants grow well. 5. Frogs ________ (play) an important part in farm ecosystems. 6. We ________ (see) many mushrooms after heavy rain yesterday. 7. This box ________ (weigh) almost ten kilos, so it’s too heavy. 8. Honeycombs ________ (use) to store honey by bees. 9. ________ (protect) wildlife is one of our most important tasks. 10. Among all sea animals, whales live ________ (long). 三、短语英汉互译（每题 1 分，共 15 分） 英译汉 help with pollination ________________________ store honey in honeycombs ________________________ dance to tell food locations ________________________ drop in number ________________________ play an important role in the ecosystem ________________________ up to 200 tons ________________________ live both on land and in water ________________________ 汉译英 动植物与人类紧密相连 ________________________ 没有蜜蜂就没有蔬果 ________________________ 世界上最重的海洋生物 ________________________ 为农田捕食害虫 ________________________ 保护地球上的生态平衡 ________________________ 长达 90 年的寿命 ________________________ 大自然相互依存的循环 ________________________ 四、单项选择（每题 2 分，共 20 分） ( )1. Bees are one of ______ most important animals on Earth. A. a B. an C. the D. / ( )2. The blue whale is ______ heaviest animal in all oceans. A. a B. the C. / D. one ( )3. About 80% plants can’t grow ______ bees’ pollination work. A. with B. without C. have D. no ( )4. Frogs play an important part ______ farm ecosystems. A. in B. on C. at D. for ( )5. The number of bees ______ smaller and smaller these years. A. become B. becomes C. is becoming D. became ( )6. Whales can live ______ ninety years in natural environment. A. up to B. up for C. to up D. for up ( )7. I felt disappointed ______ my garden flowers died. A. if B. when C. so D. though ( )8. We must take action ______ wild animals. A. protect B. protecting C. to protect D. protected ( )9. Among all insects, bees work ______ hardest for nature. A. the B. / C. a D. an ( )10. Everything in nature ______ closely connected. A. are B. is C. were D. be 五、补全对话（每空 2 分，共 10 分，一项多余） A. What’s bees’ greatest job in nature? B. How do bees tell each other where food is? C. Why are scientists worried about bees? D. How heavy can a blue whale be? E. What part do frogs play on farms? F. What will happen if there are no bees? Tom: Let’s talk about how animals connect our lives. Lily. They do pollination and help most plants grow fruits. Tom: 2. ________ Lily: They dance to show the distance and place of flowers. Tom: 3. ________ Lily: Few fruits and vegetables will grow for us to eat. Tom: 4. ________ Lily: Their number is dropping year after year. Tom: 5. ________ Lily: They eat harmful insects and protect crops. 六、完形填空（每空 1.5 分，共 15 分） People, plants and animals are all connected. Bees are 1. ______ best example. They are one of 2. ______ hard-working insects. Their greatest work is pollination. Without bees, nearly 80% plants cannot grow well. Bees dance 3. ______ share food information. But now their number 4. ______ dropping, so scientists feel worried. We must do something 5. ______ them. The blue whale is 6. ______ largest animal on Earth. It can weigh up to 200 tons and live up to 90 years. When it dies in the sea, it feeds many sea lives and makes a healthy ecosystem. Frogs are also important. They live 7. ______ land and water, and eat pests on farms. All living things need each other. 8. ______ we protect small animals like bees and frogs, we protect our own world. They are some of 9. ______ amazing gifts from nature, and we can’t live 10. ______ them. 1. A. a B. an C. the D. / 2. A. more B. most C. the most D. much 3. A. to B. for C. with D. at 4. A. is B. are C. was D. were 5. A. protect B. to protect C. protecting D. protected 6. A. a B. an C. the D. / 7. A. in B. on C. both D. on and 8. A. If B. Though C. Before D. Unless 9. A. more B. most C. the most D. much 10. A. with B. without C. have D. no 七、句型转换（每题 2 分，共 10 分） 1. Bees are important animals.（one of 最高级改写） Bees are one of ________ ________ animals on Earth. 2. The blue whale is heavy.（三者以上最高级） The blue whale is ________ ________ animal in the world. 3. Without bees, there will be no fruits.（同义句 If there are no bees…） If there ________ no bees, there ________ no fruits. 4. All living things are connected with each other.（宾语从句 I think…） I think all living things ________ closely connected. 5.青蛙能生活在陆地和水中，对农田十分重要。（翻译） 八、书面表达（10 分） 题目：We Can’t Live Without Bees 要求：60–80 词；熟练使用形容词最高级；结合课文蜜蜂授粉、数量减少、保护建议，写出动植物与人类的联系。 参考答案 一、单词拼写 1. pollination 2. honeycombs 3. connected 4. protect 5. weigh 6. disappointed 7. importance 8. dropping 9. land 10. imagine 二、词形变换 1. the most important 2. the largest 3. one 4. helps 5. play 6. saw 7. weighs 8. are used 9. Protecting 10. the longest 三、短语英汉互译 英译汉 帮忙授粉 在蜂巢储存蜂蜜 跳舞告知食物位置 数量减少 在生态系统中发挥重要作用 重达 200 吨 水陆两栖 汉译英 Plants, animals and humans are closely connected. No bees, no fruits and vegetables. the heaviest sea animal eat pests and protect farm crops protect the balance of nature’s ecosystem live up to ninety years the interdependent cycle of nature 四、单项选择 1.C 2.B 3.B 4.A 5.C 6.A 7.B 8.C 9.B 10.B 五、补全对话 1.A 2.B 3.F 4.C 5.E 六、完形填空 1.C 2.C 3.A 4.A 5.B 6.C 7.D 8.A 9.C 10.B 七、句型转换 1. the most important 2. the heaviest 3. are; will be 4. are 5. Frogs can live both on land and in water, and they are very important to farms. 八、书面表达参考范文 We Can’t Live Without Bees Bees are one of the most important animals on Earth. Their greatest work is pollination. Without bees, most fruits can’t grow. They dance to share flower information. Now the number of bees is dropping, so we must protect them. People, plants and bees are closely connected. We can’t live without these hard-working little insects. 学科网（北京）股份有限公司 $