Unit 4 Section A 同步练 2025-2026学年人教版八年级英语下册

Unit 4 Section A What is amazing about nature? （词汇专项练习） 课前笔记速记： 1.  wonder n./v.→______________adj. 精彩的;绝妙的 → _____________ adv. 精彩地;绝妙 2. depth n.→ ___________ adj. 深的;adv. 深深地 → ___________ v. 加深;深化 3. dive v. & n.→ ________n. 潜水员;跳水运动员 → _________ n. 潜水;跳水 4. research v. & n.→ _____________n. 研究者;调研人员 5. unusual adj.→ __________ adj. 通常的;平常的 → _________ adv. 通常;平常 6. civilization n. → _________v. 使文明;使开化 → __________adj. 文明的; 7. development n.→ ___________ v. 发展;开发 → __________ adj. 发达的;成熟的___________adj. 发展中的 第一组 随堂练习 一、请根据所给的首字母或音标写出单词，使句子意思完整正确。 1. The Great Pyramid is a w______ of the ancient world. 2. The exact m______ of the room is 5 meters by 4 meters. 3. Please check the oil l______ in the car engine. 4. Wipe the table s______ with a damp cloth. 5. It’s not u______ for him to work late; he does it every day. 6. Scientists are doing r______ on how to save endangered animals. 7. Camels can travel long distances in the d______. 8. Put the heavy books at the b______ of the box. 9. The view of the w______ from the bridge is amazing. 10. The nearest town is about a m______ away from here. 二、根据句子意思，用括号所给单词或短语的适当形式填空。 1. The Great Pyramid is one of the Seven ________ (wonder) of the ancient world. 2. We had a ________ (wonder) holiday in the mountains. 3. This movie is ________ (wonderful) than the one we saw last week. 4. The ________ (measure) of the table showed it was exactly two meters long. 5. It is ________ (usual) to see snow here in June. 6. My brother is interested in space, and he often spends hours _________ (research)facts about it online. 7. The ________ (civilize) of ancient Greece has influenced the world greatly. 8. My school is about two ________ (mile) from my home. 9.The ________ (deep) of the lake is over 30 meters. 10. I was ________ (deep) moved by her kind words. 11.He loves ________ (dive) and often explores coral reefs. 12. The ________ (develop) of technology has changed our lives. 三、根据汉语提示，用适当短语完成下列句子。（每空一词或短语） 1. 中国国土面积约为960万平方千米。 China covers about 9.6 million _____________ __________. 2. 在尺寸上，这辆车比那辆小。 _________ __________ , this car is smaller than that one. 3. 在地球上，海洋覆盖了大约70%的面积。 ________ __________, oceans cover about 70% of the surface. 4. 死海的水面低于海平面约430米。 The surface of the Dead Sea is about 430 meters __________ sea __________. 5. 哈里是我们班第二高的，但是他比三班任何一个学生都要高。 Harry is ________ ________ ________ in our class,but he is taller than any student in Class Three. 6. 潜水员缓缓潜入漆黑的海底洞穴。 The diver slowly __________ ____________ the dark underwater cave. 7. 他不惜任何代价想赢得这场比赛。 He wanted to win the match ___________ ________ _________. 8. 探险队终于抵达了马里亚纳海沟的底部。 The expedition finally reached __________ ________ ________the Mariana Trench. 9. 顺便说一下，明天的会议改到下午三点。 _____ __________ __________, tomorrow’s meeting is moved to 3 p.m. 10. 我们通过纪录片学习了南极洲的生态环境。 We ___________ ___________ the ecosystem of Antarctica through documentaries. 11. 她既聪明又勤奋，所以成绩总是名列前茅。 She is __________ smart __________ hard-working, so she always ranks top. 12. 金字塔是古代文明的重要象征。 The pyramids are important symbols of _________ ___________. 四、根据提示词，完成以下短文。 Lake Baikal is a natural _______ (奇观). Its _______ (表面) covers about 31,500 _______ __________ (平方公里). The _______ (deep) of the lake is over 1,600 meters, far _______ (在…以下) sea _______ (水平) in altitude. It is an _______ (特别的) freshwater _______ (研究) site. Scientists sometimes _______ (潜水) into its _______ (底部) to study the water quality. The _______ (手段) of its _______ (发展) as a scientific base are clear: it holds about 23,000 _______ (立方的) kilometers of water, which is the world’s deepest and ________(old) freshwater pool. 五、阅读下面短文，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 the world, one of the hottest and driest places to live is the Sahara Desert (撒哈拉沙漠). The Sahara is the 1.________(large) desert in the world. It is coverd with sand all year round, and only a few plants can survive in its extreme environment. Most people think there is little life in the vast sandy land. 2._______there are more than two hundred different kinds of animals living there, such as camels, desert 3._______(fox)and fennec foxes. The most famous animal of the Sahara is the camel. Erg Chebbi (尔格·切比沙丘群) is the world’s 4.______(two) largest habitat of wild camels. However, camels are now 5._______ great danger. Recently, scientists found that the number of wild camels has decreased sharply. One of the main reasons is that the climate is becoming warmer and drier, and the lack(短缺) of water 6.________(make) it hard for them to find food. Thousands of young camels died because of the harsh environment. Scientists feel worried about this. Erg Chebbi used be a safe place fo tor wild camels, but now it isn’t. 7._________(lucky), another habitat of camels has become much larger. 8.______(keep) safe, many wild camels have moved there. 9.____________ camels may have a better chance to survive, they are still facing the danger of dying out. If we don’t take action now, they 10._________(have) nowhere to go one day. 第二组 课后巩固 一、请根据所给的首字母或音标写出单词，使句子意思完整正确。 1. The child looked at the rainbow in w______. 2. The m______ of the window is 120 cm in width. 3. The water l______ in the pool is getting low. 4. The moon has a rocky s______. 5. He noticed an u______ sound coming from the engine. 6. Medical r______ has found a new way to treat the disease. 7. Few plants can survive in the hot, dry d______. 8. Notes are at the b______ of the page. 9. Tourists come to see the beautiful w______ in the mountains. 10. Roman c______ left behind many roads and buildings. 11. The beach is only half a m______ from the hotel. 二、根据句子意思，用括号所给单词或短语的适当形式填空。 1. The children stared in ________ (wonder) at the magic show. 2. Thank you for the ________ (wonder) gift! 3. This is the ________ (wonderful) birthday I have ever had. 4. Accurate ________ (measure) is very important in building a house. 5. There is nothing ________ (usual) about the old house; it looks like all the others. 6. Several ________ (research) are studying the effects of climate change in the lab. 7. The rapid ________ (develop) of the city has brought both opportunities and challenges. 8. The book describes the rise and fall of a lost ________ (civilize). 9. The village is a few ________ (mile) down this road. 10. They measured the ________ (deep) of the well. 11. She is ________ (deep) interested in ancient history. 12. ________ (Dive) requires special equipment and training. 三、根据汉语提示，用适当短语完成下列句子。（每空一词或短语） 1.我们必须尽全力完成这个项目。 We must finish the project ________ ________ ________. 2. 你的北京之行感觉如何？ ________ was your trip ________ Beijing? 3. 对了，你记得明天会议的准确时间吗？ ______ _________ ________, do you remember the exact time for tomorrow’s meeting? 4. 这座桥建于2008年，因此它被命名为“奥运桥”。 The bridge was built in 2008, so it ________ ________ the “Olympic Bridge”. 5.我的父母都来自南方城市。 ________ my father ________ my mother come from southern cities. 6.长江是中国第一长河。 The Yangtze River is ________ ________ ________ river in China. 7. 这个新建的公园占地面积超过五百平方米。 The new park covers an area of more than five hundred ________ ________. 8. 珠穆朗玛峰比海平面高8848.86米。 Mount Qomolangma is 8,848.86 metres ________ ________ ________. 9.不仅学生们，老师也对这次实验很感兴趣。 ________ ________ the students ________ ________ the teacher is interested in the experiment. 10.你的新数学老师怎么样？他很严厉吗？ ________ ________ your new maths teacher ________? Is he very strict? 四、从方框中选择适当的单词并用其正确形式填空。 desert　develop　waterfall　earth　civilization 1. We were excited to stand under the ________ and feel the cool water. 2. Only plants and animals that need very little water can live in a ________. 3. Trees need water, sunlight and rich ________ to grow well. 4.People all over the country are proud of the ________ of our nation’s high-speed trains. 5.Many old buildings are important parts of ancient ________, so we need to protect them. 五、阅读下面短文，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 the world the coldest and most difficult place to live is Antarctica(南极洲). Antarctica is the 1. ______ (five) largest continent. It 2. ______ (cover) with snow and ice all year round. Most people do not think there is much life in the icy waters around it. But there are more than one hundred different 3. ______ (kind) of animals there. 4. ______ most famous animal of Antarctica is the penguin. Halley Bay(哈雷湾) is the world’s second 5. ______ (big) home of penguins. However, penguins are now 6. ______ great danger. Recently, scientists found that the number of penguins has dropped quickly. One of the main reasons is that many storms hit Halley Bay. Thousands of baby penguins lost their lives from the terrible weather. Scientists feel 7. ______ (worry) about this. Halley Bay used to be a safe place for penguins, but now it isn’t. 8. ______ (luck), another home of penguins has gotten much bigger. 9. ______ (keep) safe, many penguins have moved there. Although penguins may have a greater chance to keep alive, they are still facing the danger of dying out. 10. ______ we don’t take action now, they will have nowhere to go one day. 参考答案： 第一组 一、单句首字母填空。 1wonder2. measurement3. level4. surface5. unusual6. research7. desert8. bottom9. waterfall(s)10. mile 二、正确形式填空。 1. wonders (固定搭配 "Seven Wonders")2. wonderful (形容词修饰名词holiday)3. more wonderful (有than，用比较级)4. measurement (the后接名词)5. unusual (is后接形容词) 6. researching ( spend....doing sth)7. civilization (the后接名词)8. miles (数词two后，名词复数)9.depth (the后，deep的名词形式)10.deeply (修饰动词moved，用副词) 11. diving (loves后接动名词)12. development (the后，develop的名词) 三、完成句子、 1. square kilometers 2. In size 3. On Earth 3. below；level 5. the second tallest 6. dived into 7. by all means 8. the bottom of9. By the way10. learned about 11.both...and...12. ancient civilizations 四、完成短文。 wonder; surface; square kilometers; depth; below; level; unusual; research; dive; bottom; means; development; cubic; oldest 五、语法填空。 1.largest 2.But 3.foxes 4.second 5.in 6.makes 7.Luckily 8.To keep 9.Although/Though10.will have 第二组 一、1. wonder2. measurement3. level4. surface5. unusual6. research7. desert 8. bottom9. waterfall(s)10. civilization11. mile 二、1. wonder (固定短语 "in wonder")2. wonderful (形容词修饰名词gift)3. most wonderful ("I have ever had"是最高级语境)4. measurement (形容词后接名词)5. unusual ("There is nothing... about..."后接形容词)6. researchers (several后接可数名词复数)7. development (the后，形容词后，develop的名词)8. civilization (a后接名词)9.miles (a few后接名词复数)10. depth (the后，deep的名词形式)11. deeply (修饰形容词interested，用副词)12. Diving (作句子主语，用动名词) 三、1.by all means 2.How; to 3.By the way 4.was named5.Both; and6.the longest7.square metres8.above sea level9.Not only; but also10.What is; like 四、1.waterfall 2.desert 3.earth 4.development5.civilizations 五、1.fifth2.is covered3.kinds4.The5.biggest6.in7.worried8.Luckily9.To keep10.If 1 学科网（北京）股份有限公司 $