Unit 4 Period 2 Section A（3a-3d）-【金牌导学案】2025-2026学年八年级下册英语课时作业课件（人教版·新教材）

该初中英语课件围绕“自然奇观”主题，聚焦Unit 4 Section A（3a-3d）核心词汇（如long, protect）、短语（a variety of, play an important role in）及语篇理解，通过基础过关（单词填空、单选）复习旧知，过渡到完形填空和短文填空，搭建从词汇到语篇的学习支架，衔接前后知识。 其亮点在于融合语言能力与文化意识，如完形填空以亚马逊雨林保护为主题，引导学生分析语境推断词义提升思维品质，短文填空结合珠穆朗玛峰文化内涵增强家国情怀。采用“词汇-语法-语篇”渐进练习，学生能提升语言运用能力，教师可高效落实核心素养培养。

Period 2 Section A（3a-3d） 金牌导学案 Unit 4 The Wonders of Nature 1 一、用方框中所给单词的适当形式填空。 long protect deep waterfall important 1. We should _______ the wild animals. 2. Fresh water is _________ for all living things. 3. There is a beautiful _________ in the mountain. 4. The river is 2,000 kilometres _____. 5. The ______ of the river changes with the seasons. protect important waterfall long depth Period 2 Section A（3a-3d） 2 二、单项选择。 ( )1. The Amazon River is important for the ________of the local area. A A.development B.wonder C.means D.waterfall ( )2. —Do you know ________the Sahara Desert is so big? —Because of the climate. C A.what B.how C.why D.when ( )3. —________, where is the nearest park? —It's over there. A A.By the way B.In the way C.On the way D.Out of the way Period 2 Section A（3a-3d） 3 ( )4. The new bridge is ________.It's a great engineering achievement. B A.1.6 kilometre long B.1.6 kilometres long C.long 1.6 kilometres D.1.6-kilometre-long ( )5. The ________of early human ________is closely linked to major rivers. B A.develop；civilization B.development；civilizations C.developing；civilized D.development；civilized Period 2 Section A（3a-3d） 4 三、完形填空。 The Amazon rainforest is one of the greatest natural . .1. . on Earth. It is home to an incredible variety of plants and animals, many of which are found nowhere else in the world. This vast “lung of our planet” . .2. . an important role in regulating the world's climate and producing the oxygen（氧气） we breathe. ( )1. A.waterfalls B.wonders C.deserts D.civilizations B ( )2. A.makes B.forms C.gets D.plays D Period 2 Section A（3a-3d） 5 However, this vital ecosystem is now under serious threat. Large areas of the forest are being cut down at a（n） . .3. . rate every day. This destructive（破坏性的） . .4. ., known as deforestation（森林砍伐）, is mainly driven by human activities like farming, logging, and mining. ( )3. A.alarming B.happy C.interesting D.great A ( )4. A.process B.progress C.product D.project A Period 2 Section A（3a-3d） The rapid . .5. . of trees does not only destroy the homes of countless species; it also significantly contributes to global warming, affecting . .6. . all. So, what can we do, even if we live far away? We can start by making . .7. . choices, such as using less paper and wood products. ( )5. A.finding B.planting C.growing D.loss D ( )6. A.slightly B.hardly C.nearly D.rarely C ( )7. A.conscious B.careless C.hasty D.random A Period 2 Section A（3a-3d） Supporting organizations that work tirelessly to . .8. . the rainforest is another powerful step. Remember, protecting the Amazon is not just about . .9. . a distant forest; it is about . .10. . the future health of our entire planet for generations to come.#3 ( )8. A.desert B.develop C.protect D.damage C ( )9. A.developing B.saving C.meaning D.protecting B ( )10. A.taking care of B.looking forward to C.paying attention to D.keeping up with A Period 2 Section A（3a-3d） 重点知识积累（补全短语） 1. a _______ of 多种多样的 2. play ____ _________ _____ in 在……中起重要作用 3. be ______ threat 受到威胁 4. contribute ___ 导致；有助于；为……作贡献 variety an important role under to Period 2 Section A（3a-3d） 9 四、短文填空。 by it should locate however civil harm pollute such difficulty extreme tourism Mount Qomolangma is the highest mountain in the world. It is 1._______ on the border between China and Nepal. Every year, climbers from all over the world make the 2.________ trip to try to reach its summit, which is over 8,848 metres high. The climb is 3.__________ challenging due to the severe weather and dangerously thin air.#2 located difficult extremely Period 2 Section A（3a-3d） 10 This magnificent（壮观的） peak is considered a great natural wonder.4._________, it faces problems like 5._________ from climbing activities. It is very important for us to protect its environment.#3 However pollution by it should locate however civil harm pollute such difficulty extreme tourism Period 2 Section A（3a-3d） 11 6.____ the way, do you know what the name “Qomolangma” means in the local Tibetan language? 7.___ translates to “Mother of the World,” showing the deep respect people have for it. When visiting 8._____ a sacred place, we must respect the local culture and the mountain itself. We 9._______ explore it through responsible 10.________, ensuring that our actions do not harm its fragile ecosystem.#4 By It such should tourism by it should locate however civil harm pollute such difficulty extreme tourism Period 2 Section A（3a-3d） 12 重点知识积累（汉译英） 1. 在边界上 _____________ 2. 全世界 _________________ 3. 由于 _______ on the border all over the world due to Period 2 Section A（3a-3d） 13 感谢聆听 14 $