Unit 4 课时随堂练习 2025-2026学年人教版英语八年级下册

同步练习 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 4 The Wonders of Nature Lesson 4 Section A 4a–4d 同步练习题目 1. Complete the sentences with the proper forms of the words. (1) — Who would you like to be your partner, Jack or David? — If I had to choose, David would be the ___________ (good) choice. (2) — How was your maths exam, Nancy? — I think I did it well, although it was ____________ (difficult) than the last one. (3) — Did you have a wonderful time at the party? — Yes, it’s the ____________ (exciting) one I’ve ever been to. (4) I’d like to know if Linda is the second ___________ (tall) girl in her class. (5) Now computers are very popular and they are much ___________ (cheap) than before. (6) — Look at that model ship. — Oh, it looks like a real one. It’s nearly as ___________ (big) as the real one. 2. Write or spell out the numbers. 5,895 (1) _____________________________________________ (2) ___________ twenty-five thousand, seven hundred and sixty-eight 337,000 (3) _____________________________________________ (4) ___________ one million, two hundred thousand 同步练习答案 1. (1) better (2) more difficult (3) most exciting (4) tallest (5) cheaper (6) big 2. (1) five thousand, eight hundred and ninety-five (2) 25,768 (3) three hundred and thirty-seven thousand (4) 1,200,000 1 学科网（北京）股份有限公司 $ 同步练习 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 4 The Wonders of Nature Lesson 2 Section A 2a–2d 同步练习题目 1. Complete the sentences with the words in the box. deep-sea submersible unusual blind light rubbish ocean floor (1) A special Chinese _______________ called Fendouzhe dived very deep. (2) Many people are very interested in animals with _______________ colours and shapes. (3) Many _______________ animals cannot see; they are _______________. (4) Some animals can create their own _______________ in the dark. (5) It is sad to find _______________ even on the deep _______________. 2. Read the sentences from the conversation. What is the speaker’s main purpose? Write the correct letter (A–D) for each sentence. Purposes A. Asking about reasons B. Asking about features C. Asking for more information D. Giving an opinion ( ) (1) Why are people researching the deep sea? ( ) (2) What are deep-sea animals like? ( ) (3) There is rubbish even at 11,000 metres deep. We should do something about it. ( ) (4) Are there any other surprising facts about the deep sea? 同步练习答案 1. (1) submersible (2) unusual (3) deep-sea; blind (4) light (5) rubbish; ocean floor 2. (1) A　　(2) B　　(3) D　　(4) C 1 学科网（北京）股份有限公司 $ 同步练习 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 4 The Wonders of Nature Lesson 7 Section B 3a–3c 同步练习题目 Complete the passage with the words in the box. include coast sand alive lifetime turtle On a sunny afternoon, I was walking along a beautiful (1) _________. The golden (2) _________ felt warm and soft under my feet. Suddenly, I saw a group of volunteers protecting some newly hatched baby sea (3) _________. This heartwarming scene made me realize that we must (4) _________ animal protection as a part of our lives. The sea turtle is a very ancient creature that has been (5) _________ on earth for millions of years. For a sea turtle, its entire (6) _________ is full of challenges. Starting from an egg, they must overcome many difficulties to crawl back to the sea. Every little turtle that successfully reaches the ocean is a miracle of life. Watching that little turtle struggling towards the sea, I understood the importance of protecting nature. Each of us has a responsibility to guard these precious lives, so that such natural wonders can continue for generations to come. 同步练习答案 (1) coast　　(2) sand　　(3) turtles　　(4) include　　(5) alive　　(6) lifetime 1 学科网（北京）股份有限公司 $ 同步练习 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 4 The Wonders of Nature Lesson 5 Section B 1a–1e 同步练习题目 1. Choose the best answers. ( ) (1) What do we call the north route of Mount Qomolangma? A. The Safe Road B. The Death Road C. The Chinese Road D. The High Road ( ) (2) Which team first reached the top of Qomolangma from the north route? A. A British team B. An American team C. A Chinese team D. A Nepali team ( ) (3) What does the word “curiosity” mean in the passage? A. 好奇心 B. 野心 C. 勇气 D. 耐心 ( ) (4) When did Chinese climbers measure Qomolangma’s new height (8,848.86 meters)? A. In 1960 B. In 1975 C. In 2007 D. In 2020 2. Write T for true or F for false. Then correct the false statements. ( ) (1) Climbing Qomolangma is easy because the weather there is always good. ( ) (2) Liu Lianman helped his teammates get through the “Second Step” by letting them step on his shoulders. ( ) (3) The “Chinese Ladder” was used by north route climbers only in 1975. ( ) (4) The passage quotes George Mallory’s words to explain why people climb mountains. 3. Match the time with the key event. (1) 1960 A. Chinese climbers brought the “Chinese Ladder” to Qomolangma. (2) 1975 B. Chinese climbers first planted the Chinese flag on Qomolangma’s top from the north. (3) 2020 C. Chinese climbers measured Qomolangma’s new height—8848.86 meters. 同步练习答案 1. (1) B　　(2) C　　(3)　A　　(4) D 2. Suggested answers: (1) F (改正：Climbing Qomolangma is hard because the weather there is changeable.) (2) T (3) F (改正: Until 2007, the “Chinese Ladder” was used by almost all north route climbers.) (4) T 3. (1)B　　(2)A　　(3)C 1 学科网（北京）股份有限公司 $ 同步练习 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 4 The Wonders of Nature Lesson 6 Section B 2a–2c 同步练习题目 1. Fill in the blanks with the correct forms of the words in the box. deep survive unusual environment below common die (1) Lake Baikal is the ___________ freshwater lake in the world, with a depth of about 1,620 metres. (2) After the long drought, only tough plants could ___________, while weak ones had to ___________. (3) It’s ___________ to see snow in July in this area, but it’s ___________ in Siberia. (4) We should protect the ______________ so that natural wonders like Lake Baikal stay clean. (5) The old fossil we found yesterday is ___________ the ground, so we need to dig carefully. 2. Complete the questions with “How + adj. / adv.”. (1) A: ___________ ___________ is Lake Baikal? B: It’s about 1,620 metres deep. (2) A: ___________ ___________ do people visit the Amazon Rainforest? B: Once a year. (3) A: ___________ ___________ is the surface area of Lake Baikal? B: It’s 31,500 square kilometers. (4) A: ___________ ___________ is the weather in Siberia? B: It’s very cold for most of the year. 同步练习答案 1. (1) deepest (2) survive; die (3) unusual; common (4) environment (5) below 2. (1) How deep　　(2) How often　　(3) How large　　(4) How cold 1 学科网（北京）股份有限公司 $ 同步练习 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 4 The Wonders of Nature Lesson 8 *Project, Reflecting 同步练习题目 Complete the summary about the Sahara Desert. The Sahara Desert,(1) ___________ in Africa, covers about 30% of the continent. It is the world’s (2) ___________ hot desert, around 9 million square (3) ___________ in size and at least 4.6 million years old. While all deserts are dry, the Sahara is both dry (4) ___________ hot. Most of it is rocky, but it also has grass, lakes, mountains, and even sand seas that look (5) ___________ waves when the wind blows. Life in the Sahara is (6) ___________. About two million people live there, often moving from place to place, though some stay year-round near water sources. Not (7) ___________ animals can live with the hot and dry climate. Camels can go for a long time (8) ___________ drinking water and drink over 100 litres quickly. Fennec foxes have large ears to stay (9) ___________. Today, the Sahara is getting bigger—about 10% larger than a century ago. Scientists (10) ___________ climate change is a reason. As temperatures rise, Africa gets hotter with less rain, causing water bodies to get smaller and ground to become drier. Without effective measures, the desert will keep growing. 同步练习答案 (1) located (2) largest (3) kilometres (4) and (5) like (6) difficult (7) many (8) without (9) cool (10) believe 1 学科网（北京）股份有限公司 $ 同步练习 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 4 The Wonders of Nature Lesson 1 Opening Page, Section A 1a–1d 同步练习题目 1. Write the following numbers in words. Example: 8,848.86: eight thousand, eight hundred and forty-eight point eight six 9,000,000: ____________________________________________________ 416: _________________________________________________________ 11,000: _______________________________________________________ 2. Put the following sentences into right order. ( ) Contestant (参赛者): It’s about 9 million square kilometres. ( ) Host: That’s correct! Well done! ( ) Host: Right! Next question: What is the largest desert on earth? ( ) Contestant: Is it the Sahara Desert? ( ) Host: Welcome to “Nature Quiz”! Our first question: Where’s the deepest point in the ocean? ( ) Contestant: I know this one. It’s in the Mariana Trench. ( ) Host: And how big is it? 3. Choose the correct answers according to the text in Task 2. ( ) What skills does the host use after the contestant gives a correct answer? A. Correcting a mistake. B. Giving positive feedback (鼓励). C. Asking for more details. 同步练习答案 1. nine million four hundred and sixteen eleven thousand 2. 7 5 3 4 1 2 6 3. B C 1 学科网（北京）股份有限公司 $ 同步练习 课程基本信息 学科 英语 年级 八年级 学期 春季 课题 Unit 4 The Wonders of Nature Lesson 3 Section A 3a–3d 同步练习题目 Match the natural wonders with the related geographical information, and answer the question below. ____ (1) Mount Qomolangma ____ (2) Sahara Desert ____ (3) Dead Sea ____ (4) Nile River A. It is not a real sea but a salt lake. The water is very salty, so plants and animals cannot live in it. It is a special place that many people like to visit. B. It’s the longest river in the world. It flows through several countries in Africa. It brings water to many places and helps plants grow. People have lived along its banks for thousands of years. C. It is located between China and Nepal. It stands tall in the Himalayas. Many climbers dream of reaching its top because it is the highest mountain in the world. D. It is in North Africa. It covers the largest area among the deserts in the world. When you walk in it, you will see endless sand everywhere. (5) Answer the question in one sentence. Which of these four places do you want to visit most? Why? _______________________________________________________________________ _______________________________________________________________________ 同步练习答案 (1) C　　(2) D　　(3) A　　(4) B　　 (5) Suggested answer: Mount Qomolangma, because I want to enjoy the amazing scenery on the top of the mountain. 2 学科网（北京）股份有限公司 $