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Unit 8 单元检测题
满分：100分 时间：60分钟
姓名：__________ 班级：__________ 得分：__________
一、语言知识运用（共25分）
A. 单项选择（共10小题，每小题1分）
从每小题所给的A、B、C三个选项中选出最佳选项。
We must ______ our Earth well by reducing pollution. A. treat B. build C. throw
About ______ of the Earth’s surface is covered by water.
A. one third B. two thirds C. one half
—How can we help animals in danger —We should ______ their habitats.
A. destroy B. protect C. avoid
The Pacific Ocean is ______ largest ocean on Earth. A. a B. an C. the
—Where is Antarctica —It is around ______ South Pole. A. a B. an C. the
I see my brother ______ basketball on the playground. A. play B. playing C. played
We should remember ______ off the lights when we leave the room.
A. turn B. to turn C. turning
If we cut down too many trees, the air ______ worse.
A. becomes B. became C. will become
—What clothes do you wear in winter —We wear ______ clothes like coats and boots.
A. light B. heavy C. thin
—How was your trip to the forest —It was great! I ______ many interesting plants.
A. find B. found C. will find
B. 完形填空（共10小题，每小题1.5分）
阅读下面短文，掌握其大意，然后从各题所给的A、B、C三个选项中选出最佳选项。Our planet is facing many problems, such as pollution and climate change. But everyone can do something to help. For example, we can 11 plastic bags and use reusable ones. We can also plant more trees to keep the air 12 .Last weekend, my classmates and I 13 to a park to clean up the rubbish. We 14 for three hours and collected over 50 bags of trash. Although we were tired, we felt very 15 because we made the park cleaner.We also learned that 16 of the Earth’s water is fresh water. So we must save water by 17 shorter showers and fixing leaky taps.Remember, even small actions 18 a big difference. Let’s work together 19 our Earth a better place. The future of our planet depends on 20 we do today.
A. reuse B. sell C. throw
A. dirty B. clean C. dry
A. go B. went C. will go
A. work B. worked C. are working
A. happy B. angry C. bored
A. all B. most C. only a small part
A. take B. taking C. took
A. make B. makes C. will make
A. make B. to make C. making
20. A. what B. where C. when
二、阅读理解（共30分）
A. 阅读短文，根据内容选择最佳答案（共5小题，每小题2分）
Antarctica is the coldest, windiest, and driest continent on Earth. It is covered by ice and snow all year round. Very few people live there, but scientists go there to study climate change and wildlife. Animals like penguins and seals live in Antarctica. They are adapted to the cold environment. However, due to global warming, the ice in Antarctica is melting. This is dangerous for the animals and for the whole planet.
What is the weather like in Antarctica A. Hot and dry. B. Cold and windy. C. Warm and rainy.
Who often goes to Antarctica A. Tourists. B. Scientists. C. Farmers.
Which animal is NOT mentioned in the passage A. Penguins. B. Seals. C. Polar bears.
What is happening to the ice in Antarctica
A. It is melting. B. It is growing. C. It is turning black.
Why is the melting of ice dangerous
A. It makes the continent colder. B. It helps scientists study better. C. It affects animals and the whole planet.
B. 任务型阅读（共5小题，每小题2分）
阅读下面短文，根据要求完成任务。
The Earth is made up of land and water. About two thirds of its surface is covered by oceans. There are four oceans: the Pacific, the Atlantic, the Indian, and the Arctic. The Pacific Ocean is the largest one.The land is divided into seven continents: Asia, Africa, Europe, North America, South America, Oceania, and Antarctica. Asia is the largest continent, and Australia is the smallest one.We need to protect our Earth because it is our only home. We can help by saving water, planting trees, and reducing pollution.
任务一：信息匹配将下列描述与对应的名称进行匹配。
26. Largest ocean ______27. Smallest continent ______28. Number of continents ______29. Covered by ice and snow ______30. Number of oceans ______
A. Antarctica B. 7 C. The Pacific Ocean D. 4 E. Australia
任务二：简答31. Why do we need to protect the Earth （不超过10个词）
三、词汇运用（共10分）
A. 根据句意及首字母提示写出单词（共5小题，每小题1分）
We must s______ water by turning off the tap when brushing teeth.
The E______ is our home, and we should protect it.
Antarctica is a c______ covered by ice.
We should p______ more trees to keep the air clean.
The Pacific Ocean c______ about one third of the Earth’s surface.
B. 用所给词的适当形式填空（共5小题，每小题1分）
We should avoid ______ (use) plastic bags.
My mother asked me ______ (turn) off the lights.
The students are ______ (clean) up the park now.
I saw him ______ (play) football on the playground.
The air became ______ (bad) because of pollution.
四、情景交际（共10分）
根据对话内容，从方框中选择合适的句子补全对话，其中有一项为多余选项。
A: Hi, Tom! What are you doing
B: I’m making a poster about protecting the Earth.
A: That’s great! 42
B: We can save energy by turning off lights when we leave a room.
A: Good idea! 43
B: Yes! We can also reuse water. For example, we can use leftover water to water plants.
A: 44
B: We should stop using plastic bags and use cloth bags instead.
A: 45
B: Let’s do it together! We can tell our classmates to join us.
What else can we do B. How can we save water C. How can we reduce pollution D. Can you give me some examples E. That’s a wonderful plan!
五、书面表达（共15分）
假设你是李华，你校正在举办“保护地球”主题活动。请根据以下提示，写一篇短文，提出至少两条保护地球的建议，并说明理由。
建议：节约用水、减少塑料使用、植树等
理由：资源有限、污染有害、树木净化空气等
要求：
语句通顺，逻辑清晰；
字数80-100词；
包含提示内容，可适当发挥。
参考词汇：save water, reduce plastic pollution, plant trees, protect our Earth
参考答案（教师版）
一、单项选择
1-5 ABBCC 6-10 BBCBB
二、完形填空
11-15 ABBBA 16-20 CBABA
三、阅读理解
21-25 BBCAC26-30 CEBAD31. Because it is our only home.
四、词汇运用
save 33. Earth 34. continent 35. plant 36. covers
using 38. to turn 39. cleaning 40. playing 41. worse
五、情景交际
42-45 DBCE
六、书面表达
（略，按内容完整性、语言准确性、逻辑连贯性评分）

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