Unit 4 The Wonders of Nature Section B(2a-Reflecting) 巩固提高 2026-2027学年人教版英语八年级下册

Unit 4 The Wonders of Nature 人教版（2024）八年级英语下册　Section B 介绍一处自然奇观 课时 5 Section B(2a-Reflecting) 巩固提高 1星题——基础巩固 一、根据句意及首字母或汉语提示完成单词。 1. Qomolangma is the h________ mountain in the world. 2. The Great Wall is one of the greatest ________（奇迹）in the world. 3. The river is about 5,000 k________ long. 4. The desert covers a large a________ of land. 5. What a w________ view! 二、用括号内所给词的适当形式填空。 6. The Yangtze River is ________（long）than the Yellow River. 7. It is the ________（deep）lake in China. 8. China ________（cover）an area of about 9.6 million square kilometres. 9. How ________（high）the mountain is! 10. The Nile is one of the ________（long）rivers in the world. 三、根据汉语意思完成句子，每空一词。 11. 泰山高约1,545米。 Mount Tai is about ________ ________ ________. 12. 这个峡谷大约300千米长。 The canyon is about ________ ________ ________. 13. 多么美的湖啊！ ________ ________ beautiful lake! 14. 珠穆朗玛峰比世界上任何一座山都高。 Qomolangma is ________ ________ ________ mountain in the world. 15. 中国是世界上最大的国家之一。 China is one of ________ ________ ________ in the world. 四、按要求完成句子，每空一词。 16. The river is about 2,000 kilometres long.（对画线部分提问） ________ ________ is the river? 17. The waterfall is very amazing.（改为感叹句） ________ ________ amazing waterfall! 18. This mountain is 1,500 metres high. That mountain is 1,500 metres high, too.（合并为一句） This mountain is ________ ________ ________ that one. 19. The Yellow River is the second longest river in China.（对画线部分提问） ________ ________ the second longest river in China? 20. The lake covers an area of about 500 square kilometres.（对画线部分提问） ________ ________ ________ the lake cover? 2星题——能力提升 五、补全对话（从方框中选择恰当的句子，有一项多余）。 A: Hi, Lily. Our teacher asked us to write about a natural wonder. B: Really? ________21 A: I'll write about Qomolangma. B: Good choice. ________22 A: Yes. It's 8,848 metres high. It's the highest mountain in the world. B: ________23 A: I'll write about its height and the brave climbers. And I'll start with "How high Qomolangma is!" B: Cool! ________24 A: This weekend. Then I'll show it to our teacher. B: ________25 A: Thank you. I'll try my best. A. What will you write about it? B. When will you finish it? C. Which one will you choose? D. Where is Qomolangma? E. Do you know how high it is? F. I'm sure your teacher will like it. 六、用括号内所给单词的适当形式填空。 26. Hainan is in the ________（south）part of China. 27. How ________（wonder）the Sea of Clouds is! 28. It is the second ________（high）waterfall in China. 29. Visitors can enjoy the ________（nature）beauty there. 七、从方框中选取适当的句子完成对话（有一项多余）。 A: Hi, Mike. Have you finished your article about a natural wonder? B: Yes. ________30 A: The Huangguoshu Waterfall. B: ________31 A: It's about 77 metres high. It's one of the biggest waterfalls in Asia. B: Wow! ________32 A: I described its sound first. "What a loud sound it makes!" B: Nice beginning! ________33 A: Yes. I wrote that it is 77 metres high and about 101 metres wide. B: ________34 A: OK. I'll bring it to school tomorrow. A. Where is it? B. How high is it? C. Did you use any numbers? D. What did you write about? E. What did you write first? F. I can't wait to read it. 答案与解析 一、1.highest　2.wonders　3.kilometres　4.area　5.wonderful 二、6.longer　7.deepest　8.covers　9.high　10.longest 解析：6 题 than 提示比较级；7 题 in China 提示最高级；8 题主语 China 是第三人称单数，一般现在时动词加 -s；9 题感叹句"How + 形容词 + 主语 + 谓语！"；10 题 one of the + 最高级 + 可数名词复数。 三、11.1,545 metres high　12.300 kilometres long　13.What a　14.higher than any other　15.the largest countries 解析：11、12 题用"数字 + 单位复数 + 形容词"表示测量数据；13 题 beautiful 修饰单数名词 lake，用"What a + 形容词 + 名词！"；14 题"比任何其他……都高"用比较级 + than any other + 单数名词；15 题 one of the + 最高级 + 可数名词复数。 四、16.How long　17.What an　18.as high as　19.Which is　20.What area does 解析：16 题画线部分是长度，用 How long 提问；17 题 amazing 以元音音素开头，感叹词用 an；18 题两座山一样高，用 as...as 同级比较；19 题对"哪一条河"提问用 Which；20 题对面积提问用 What area，主语 the lake 是第三人称单数，助动词用 does。 五、21.C　22.E　23.A　24.B　25.F 解析：21 下文回答了要写的对象，说明在问"你会选哪一个"，选 C；22 下文 Yes. 及高度数据说明在问"你知道它有多高吗"，选 E；23 下文回答了写作内容，选 A；24 下文 This weekend. 回答时间，选 B；25 下文 Thank you. 是对夸奖和鼓励的回应，选 F。（D 项为多余项。） 六、26.southern　27.wonderful　28.highest　29.natural 解析：26 题 south 的形容词形式是 southern，修饰名词 part；27 题感叹句用"How + 形容词 + 主语 + 谓语！"；28 题"the + 序数词 + 最高级"结构；29 题修饰名词 beauty 用形容词 natural。 七、30.D　31.B　32.E　33.C　34.F 解析：30 下文回答了写的对象，选 D；31 下文回答的是高度，选 B；32 下文回答的是先写的内容，选 E；33 下文 Yes. 及具体数据说明在问"你用数字了吗"，选 C；34 下文 OK. I'll bring it to school tomorrow. 是对"我等不及要读"的回应，选 F。（A 项为多余项。） 学科网（北京）股份有限公司 $