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仁愛版七年級下冊英語Unit 8 Our blue planet Exploring the topic 知識點總結及練習(含答案)

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仁愛版七年級下冊英語Unit 8 Our blue planet Exploring the topic 知識點總結及練習(含答案)

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仁愛版七年級下冊英語
Unit 8 Our blue planet Exploring the topic 知識點總結
一、重點單詞
1. 環境與自然類
environment(環境)、pollution(污染)、recycle(回收)、waste(廢物)、energy(能源)、climate(氣候)、resource(資源)、earth(地球)、ocean(海洋)、forest(森林)、wildlife(野生動物)、planet(星球)
2. 動植物類
animal(動物)、plant(植物)、tree(樹)、fish(魚)、bird(鳥)、insect(昆蟲)、endangered(瀕危的)、species(物種)、habitat(棲息地)
3. 行動與建議類
protect(保護)、save(節約)、reduce(減少)、reuse(重復使用)、clean(清潔)、pollute(污染)、harm(傷害)、plant(種植)、collect(收集)、volunteer(志愿者)
4. 其他類
healthy(健康的)、dangerous(危險的)、important(重要的)、necessary(必要的)、global(全球的)、future(未來)、community(社區)
二、重點短語
1. 環保行動類
save energy(節約能源)、reduce waste(減少浪費)、recycle bottles(回收瓶子)、clean up the park(清理公園)、plant trees(植樹)、protect wildlife(保護野生動物)、turn off lights(關燈)、use public transport(使用公共交通)
2. 描述環境問題類
air pollution(空氣污染)、water pollution(水污染)、climate change(氣候變化)、endangered species(瀕危物種)、global warming(全球變暖)、throw rubbish(扔垃圾)、cut down trees(砍伐樹木)
3. 建議與倡議類
take care of the earth(愛護地球)、make a difference(有所作為)、join a volunteer group(加入志愿者團體)、spread awareness(傳播意識)、work together(共同努力)
三、重點句型
1. 表達環保建議
We should recycle paper to save trees.(我們應該回收紙張以保護樹木。)
Don’t throw rubbish into the river.(不要把垃圾扔進河里。)
It’s important to turn off the lights when you leave the room.(離開房間時關燈很重要。)
2. 描述環境問題
Air pollution is harmful to our health.(空氣污染對健康有害。)
Many animals are losing their habitats because of deforestation.(由于森林砍伐,許多動物正在失去棲息地。)
The earth is getting warmer because of human activities.(由于人類活動,地球正在變暖。)
3. 倡議與呼吁
Let’s work together to protect our blue planet!(讓我們一起努力保護我們的藍色星球!)
Everyone can make a difference by doing small things.(每個人都可以通過小事產生影響。)
Join us to clean up the beach this weekend!(加入我們,周末清理海灘吧!)
四、重點語法
1. 情態動詞 should 的用法
結構:主語 + should + 動詞原形
例句:
We should use cloth bags instead of plastic ones.(我們應該用布袋代替塑料袋。)
You shouldn’t waste water.(你不應該浪費水。)
2. 現在進行時表未來計劃
結構:be動詞(am/is/are) + 動詞ing
例句:
We are planting trees next Sunday.(我們下周日要植樹。)
They are cleaning the river this afternoon.(他們今天下午要清理河流。)
3. 不定式作主語
結構:It’s + 形容詞 + to + 動詞原形
例句:
It’s necessary to save water.(節約用水是必要的。)
It’s easy to recycle paper.(回收紙張很簡單。)
五、練習題
(一)單詞拼寫
1. We need to protect the enviro__________ for future generations.
2. Many animals become endang__________ because of hunting.
3. We should red__________ the use of plastic bags.
4. Clim__________ change is a serious problem.
5. Let’s cle__________ up the park this weekend.
(二)短語翻譯
1. 節約能源 __________
2. 空氣污染 __________
3. 加入志愿者團體 __________
4. 全球變暖 __________
5. 重復使用塑料袋 __________
(三)句型轉換
1. We should plant more trees.(改為否定句)
We __________ plant more trees.
2. It’s important to save water.(改為同義句)
__________ important.
3. They are cleaning the river tomorrow.(對劃線部分提問)
__________ are they __________ tomorrow
(四)用所給動詞的適當形式填空
1. She __________ (join) a volunteer group next month.
2. We __________ (recycle) paper every week.
3. It’s necessary __________ (protect) endangered animals.
4. They __________ (clean) the beach last Saturday.
5. You __________ (should) throw rubbish here.
(五)閱讀理解
The earth is our home, but it is facing many problems. Air pollution makes it hard to breathe in some cities. Water pollution kills fish and makes rivers dirty. Many animals are in danger because their habitats are disappearing. However, we can help! For example, we can plant trees to make the air clean. We can also recycle bottles and cans to reduce waste. If everyone does something small, our planet will become better.
1. What problem makes it hard to breathe in cities
A. Water pollution. B. Air pollution. C. Noise pollution.
2. Why are many animals in danger
A. They have no food. B. Their habitats are disappearing. C. People hunt them.
3. How can we make the air clean
A. By recycling bottles. B. By planting trees. C. By saving energy.
4. What should we do to reduce waste
A. Recycle bottles and cans. B. Turn off lights. C. Use public transport.
5. What is the main idea of the passage
A. The earth is healthy. B. We can help protect the earth. C. Pollution is not a problem.
答案
(一)單詞拼寫
1. environment
2. endangered
3. reduce
4. climate
5. clean
(二)短語翻譯
1. save energy
2. air pollution
3. join a volunteer group
4. global warming
5. reuse plastic bags
(三)句型轉換
1. shouldn’t
2. Saving water is
3. What; doing
(四)動詞填空
1. will join / is going to join
2. recycle
3. to protect
4. cleaned
5. shouldn’t
(五)閱讀理解
1. B
2. B
3. B
4. A
5. B

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