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/ 让教学更有效 高效备考 | 英语学科
Unit 4 Then and now基础测试卷
Part 1 Grammar and Vocabulary（第一部分 语法和词汇）
I. Choose the best answer（选择最恰当的答案）（15 题，每题 1 分）
1.The teacher ________ us to protect the environment by reducing waste.
A. advice B. advises C. advised D. advising
2.The project will ________ next week.
A. start B. begins C. sets out D. sets off
3.The students have made ________ progress in learning about environmental protection!
A. what great B. how great C. what a great D. how a great
4.While I ________ the old photos, I remembered the beautiful scenery of my hometown.
A. look B. looked C. was looking D. am looking
5.The ________ of the new recycling method was clear and easy to understand.
A. explain B. explanation C. explained D. explaining
6.The club offered ________ volunteers to clean up the beach.
A. provide B. providing C. to provide D. provided
7.Birds in the nature reserve fly ________ than those in the city.
A. high B. higher C. highest D. more highly
8.______ of the students in our class have taken part in the tree - planting activity.
A. Two - fifth B. Second - fifths C. Two - fifths D. Two - fives
9.The number 3,010,500 is read as ________.
A. three million ten thousand five hundred
B. three million and ten thousand and five hundred
C. three million ten thousand and five hundred
D. three million ten and five hundred
10.Traditional festivals carry a deep ______ meaning related to nature protection.
A. culture B. cultural C. culturally D. cultures
11.The task of cleaning up the large park was ________ difficult for the small group to finish on time.
A. too much B. much too C. too many D. so much
12.The newly - planted flowers ________ so beautiful that many people stop to take photos.
A. sounds B. tastes C. feels D. looks
13.Dogs can ________ the smell of harmful chemicals in the environment.
A. taste B. smell C. hear D. touch
14.________ can completely stop pollution alone, but everyone's effort counts.
A. Somebody B. Anybody C. Everybody D. Nobody
15.She ________ the map carefully to find the location of the nature reserve.
A. looks through B. looks up C. looks into D. looks over
II. Choose the proper words in the box to complete the passage（选词填空）（每题 1 分，共9分）
A. threats B. survival C. initiatives D. polluted E. significantly
The natural world faces numerous 16.________ today. For example, the 17.________ rivers and lakes have become a serious problem. The 18.________ of many aquatic species depends on improving the water environment. Conservation 19.________ such as building water treatment plants and reducing industrial waste have 20.________ improved the water quality in recent years.
A. local B. educate C. balance D. volunteers E. awareness
To protect the ecosystem, 21.________ communities play an important role. We should 22.________ people about the importance of ecological 23. . By organizing 24. and promoting green lifestyles, we can ensure a harmonious relationship between humans and nature.
plete the sentences with the given words in their proper forms（用单词适当形式填空）（8 题，每题 1 分）
25.There are many ________ ways to save energy in our daily life. (vary)
26.She advised us ________ with nature friendly. (communicate)
27.My mother kept ________ when she heard about the good news of environmental protection. (nod)
28.The ________ in the environmental protection center answered the phone and gave some useful advice. (operate)
29.The beauty of the protected wetland made a strong ________ on the visitors. (impress)
30.He is a little ________ and sometimes forgets to turn off the lights to save electricity. (careful)
31.We should learn to make a ________ to protect the environment when facing problems. (decide)
32.The ________ story about a brave tree - planter has inspired many people. (class)
IV. Rewrite the following sentences as required（按要求完成句子）（每题2分，共14 分）
33.They planted trees and watered them in the park last Sunday. (对画线部分提问)
________ ________ they plant trees and water them last Sunday
34.“Why not join the environmental club ” my friend suggested. (保持句意基本不变)
My friend ________ me ________ join the environmental club.
35.The environmental project will start next month.（保持句意不变）
The environmental project will ________ ________ next month.
36.The students have made great progress in environmental study.（改为感叹句）
________ ________ progress the students have made in environmental study!
37.After learning about environmental protection, Tom was excited to take part in related activities in the community.（保持句意基本不变）
After learning about environmental protection, Tom was excited to take part in related activities ________ ________ ________ in the community.
38.Nobody knew the harm of pollution before, ________ ________ （完成反义疑问句）
39.she, was, when, the, cleaning, doorbell, rang（连词成句）
Part 2 Reading and Writing（第二部分 读和写）
V. Reading comprehension（阅读理解）
A. Choose the best answer（阅读选择）（每题 2 分，共10分）
Protecting the Earth
The Earth is our home, but it is facing many problems. One of the biggest problems is pollution. Air pollution comes from factories, cars, and burning things. It makes the air dirty and is bad for our health. Water pollution happens when factories pour dirty water into rivers and lakes. It kills fish and other water animals.
Another problem is deforestation. People cut down too many trees for farming, building, and making paper. Trees are important because they clean the air and give us oxygen. Without enough trees, there will be more carbon dioxide in the air, which causes global warming.
We all should take action to protect the Earth. We can plant more trees, reduce waste, and use less energy. Small actions can make a big difference. Let’s work together to save our planet!
40. What is one of the biggest problems the Earth is facing
A. Noise B. Darkness C. Pollution D. Coldness
41. Where does air pollution come from according to the passage
A. Only from factories B. From cars and burning things
C. From factories, cars, and burning things D. From farms
42. The underlined word “deforestation” probably means ________.
A. 植树造林 B. 森林砍伐 C. 森林保护 D. 树木种植
43. Why are trees important
A. Because they make the air dirty B. Because they cause global warming
C. Because they clean the air and give us oxygen D. Because they take oxygen from the air
44. What can we do to protect the Earth
A. Cut down more trees B. Produce more waste
C. Use more energy D. Plant more trees
45. What is the main idea of the passage
A. The problems the Earth faces and how to solve them
B. The reasons for air pollution
C. The importance of trees
D. How to plant trees
B. Choose the best answer and complete the passage（完形填空）（每题 2 分，共10分）
A Young Environmentalist
Lily has loved nature since she was a child. When she grew up, she decided to study environmental science. But it wasn't easy. She faced many 46.________ at school. Some classmates thought her choice was strange and laughed at her.
But Lily 47.________ to follow her dream. She joined an environmental club and took part in many activities. She went to the beach to clean up 48. . She also studied how plastic waste 49. sea animals. Her reports 50.________ the school to pay more attention to environmental education.
Now, Lily is still working hard. She believes that with determination, everyone can make a difference to the environment.
46. A. successes B. challenges C. chances D. hobbies
47. A. failed B. agreed C. refused D. continued
48. A. waste B. food C. books D. clothes
49. A. helped B. protected C. harmed D. saved
50. A. doubted B. opposed C. supported D. encouraged
C. Fill in the blanks with proper words（首字母填空）（每题 2 分，共10分）
Save the Bees
Bees are very important to our ecosystem. However, they are facing many d 51. One problem is the loss of their habitats. People cut down trees and build more houses, which makes it hard for bees to find a place to live. Another problem is pollution. Pesticides (杀虫剂) used in farming are h 52 to bees.
To s 53 bees, we can plant more flowers in our gardens. Flowers give bees food. We should also use fewer pesticides. Scientists are doing r 54 to find out how to protect bees better.
Bees help plants grow by carrying pollen (花粉). Without bees, many plants can't produce fruits and seeds. This will break the balance of the ecosystem. Let's take action to protect these little but important c 55.
D. Answer the questions（回答问题）（每题 2 分，共10分）
The Green School Project
Our school started the Green School Project last year. The project aims to make our school more environmentally friendly.
We have done many things. First, we set up recycling bins in every classroom. Students can put waste paper, plastic bottles, and cans into different bins. Second, we planted a small garden on the school playground. Now we can see colorful flowers and green grass there. Third, we held environmental protection classes. Teachers taught us how to save energy and reduce waste.
The Green School Project has brought many good changes. Our school looks cleaner and more beautiful. Students have also developed good habits. They turn off lights when leaving classrooms and save water in daily life.
56. When did the school start the Green School Project
________________________________________.
57. What is the aim of the Green School Project
________________________________________.
58. What did the school do to make the school more environmentally friendly
________________________________________.
59. What good changes has the project brought
________________________________________.
60. Do you think it’s necessary to start such a project in schools Why or why not
________________________________________.
VI. Writing（作文）（14 分）
保护环境，人人有责。学校英语社团开展以 “Let’s Protect the Environment” 为题的英语征文活动，请你写一篇短文投稿。
内容包括：
1.描述身边存在的环境问题；
2.谈谈保护环境的重要性；
3.提出至少两条保护环境的建议。
注意：
4.内容必须包含要点中的所有信息；
5.可适当增加细节，以使行文连贯；
6.文中不能出现真实姓名及学校名称；
7.词数 70 左右（标题已给出，不计入总词数）。
Let’s Protect the Environment/ 让教学更有效 高效备考 | 英语学科
Unit 4 Then and now 基础测试卷答案解析
一、Part 1 Grammar and Vocabulary（语法和词汇）
I. Choose the best answer（选择最恰当的答案）
答案：B
解析：句子缺少谓语动词，“advice” 是名词，不符合；“advising” 不能单独作谓语；“advised” 虽为动词过去式，但从语境看，这里表示一般性陈述，用一般现在时更合适，主语 “The teacher” 是第三人称单数，所以 “advises” 正确，意为 “老师建议我们通过减少浪费来保护环境” ，选 B。
答案：A
解析：“will” 后接动词原形，“begins”“sets out”“sets off” 均不符合，“start” 为动词原形，“The project will start next week.” 表示 “这个项目将在下周开始”，选 A。
答案：A
解析：此句是感叹句，“progress” 是不可数名词，用 “what” 引导感叹句，结构为 “What + 形容词 + 不可数名词 + 主语 + 谓语！” ，“how” 引导感叹句时，结构为 “How + 形容词 / 副词 + 主语 + 谓语！” ，所以是 “what great”，选 A。
答案：C
解析：“while” 引导时间状语从句时，从句常用进行时态，结合主句 “remembered” 可知，从句用过去进行时，“was looking” 符合，“While I was looking the old photos, I remembered the beautiful scenery of my hometown.” 表示 “当我在看旧照片时，我想起了家乡的美丽景色”，选 C。
答案：B
解析：“The...of” 结构中，需要名词，“explain” 是动词，“explained” 是过去式或过去分词，“explaining” 是现在分词，“explanation” 是名词，意为 “解释”，“The explanation of the new recycling method was clear and easy to understand.” 即 “新回收方法的解释清晰易懂”，选 B。
答案：C
解析：“offer to do sth.” 是固定搭配，意为 “主动提出做某事”，“The club offered to provide volunteers to clean up the beach.” 表示 “俱乐部主动提出提供志愿者来清理海滩”，选 C。
答案：B
解析：“than” 是比较级的标志词，“high” 的比较级是 “higher” ，“Birds in the nature reserve fly higher than those in the city.” 表示 “自然保护区的鸟比城市里的鸟飞得更高”，选 B。
答案：C
解析：分数表达法是分子用基数词，分母用序数词，当分子大于 1 时，分母用复数，“五分之二” 应表达为 “Two - fifths”，选 C。
答案：A
解析：数字 3,010,500 的正确读法是 “three million ten thousand five hundred”，在英语中，数字读法里，百位与十位或个位之间不用 “and” ，只有在百位与十位或个位有数字时，百位与十位之间才用 “and” ，选 A。
答案：B
解析：“meaning” 是名词，用形容词修饰，“culture” 是名词，“culturally” 是副词，“cultures” 是名词复数，“cultural” 是形容词，“cultural meaning” 表示 “文化意义”，“Traditional festivals carry a deep cultural meaning related to nature protection.” 即 “传统节日承载着与自然保护相关的深厚文化意义”，选 B。
答案：B
解析：“too much” 修饰不可数名词，“too many” 修饰可数名词复数，“so much” 通常用于 “so...that...” 结构或修饰不可数名词表示数量多，“much too” 修饰形容词或副词，“difficult” 是形容词，“much too difficult” 表示 “太难”，“The task of cleaning up the large park was much too difficult for the small group to finish on time.” 即 “清理这个大公园的任务对这个小团队来说太难了，无法按时完成”，选 B。
答案：D
解析：“flowers” 是复数，“sounds”“tastes”“feels” 的主语通常是单数或不可数名词，“looks” 可作系动词，主语可以是复数，“The newly - planted flowers looks so beautiful that many people stop to take photos.” 表示 “新种的花看起来如此美丽，以至于很多人停下来拍照”，选 D。
答案：B
解析：根据 “the smell of harmful chemicals” 可知，狗能 “闻” 到气味，“taste” 尝；“hear” 听；“touch” 触摸，均不符合，“smell” 符合语境，选 B。
答案：D
解析：根据 “but everyone's effort counts” 可知，没有人能独自完全阻止污染，“Somebody” 某人；“Anybody” 任何人；“Everybody” 每个人，均不符合，“Nobody” 符合语境，选 D。
答案：A
解析：“looks through” 浏览，仔细查看；“looks up” 查阅；“looks into” 调查；“looks over” 检查。结合 “to find the location of the nature reserve” 可知，是仔细查看地图，“looks through” 符合语境，“She looks through the map carefully to find the location of the nature reserve.” 即 “她仔细查看地图以找到自然保护区的位置”，选 A。
II. Choose the proper words in the box to complete the passage（选词填空）
答案：A
解析：根据语境，自然世界面临许多 “威胁”，“threats” 符合，选 A。
答案：D
解析：“rivers and lakes” 需要用形容词修饰，“polluted” 意为 “被污染的”，“the polluted rivers and lakes” 即 “被污染的河流和湖泊”，选 D。
答案：B
解析：“the...of” 结构中需用名词，“survival” 表示 “生存”，“The survival of many aquatic species depends on improving the water environment.” 即 “许多水生物种的生存取决于改善水环境”，选 B。
答案：C
解析：“such as building water treatment plants and reducing industrial waste” 是一些保护措施，“initiatives” 意为 “倡议，措施”，选 C。
答案：E
解析：“improved” 是动词，用副词修饰，“significantly” 表示 “显著地”，“have significantly improved the water quality” 即 “显著改善了水质”，选 E。
答案：A
解析：“communities” 是名词，用形容词修饰，“local” 表示 “当地的”，“local communities” 即 “当地社区”，选 A。
答案：B
解析：“should” 后接动词原形，“educate” 表示 “教育”，“educate people about...” 表示 “教育人们关于……”，选 B。
答案：E
解析：“ecological” 是形容词，后接名词，“awareness” 表示 “意识”，“ecological awareness” 即 “生态意识”，选 E。
答案：D
解析：“organizing” 后接名词，“volunteers” 表示 “志愿者”，“organizing volunteers” 即 “组织志愿者”，选 D。
plete the sentences with the given words in their proper forms（用单词适当形式填空）
答案：various
解析：“ways” 是名词，用形容词修饰，“vary” 的形容词形式是 “various”，表示 “各种各样的”，“There are many various ways to save energy in our daily life.” 即 “在我们的日常生活中有许多各种各样的节能方法”。
答案：to communicate
解析：“advise sb. to do sth.” 是固定搭配，意为 “建议某人做某事”，所以填 “to communicate”，“She advised us to communicate with nature friendly.” 即 “她建议我们友好地与自然交流”。
答案：nodding
解析：“keep doing sth.” 表示 “一直做某事”，“nod” 的现在分词是 “nodding”，“My mother kept nodding when she heard about the good news of environmental protection.” 即 “当我妈妈听到环境保护的好消息时，她一直在点头”。
答案：operator
解析：“The...answered the phone” 可知，这里需要表示人的名词，“operate” 的名词形式 “operator” 表示 “接线员”，“The operator in the environmental protection center answered the phone and gave some useful advice.” 即 “环境保护中心的接线员接了电话并给出了一些有用的建议”。
答案：impression
解析：“make a...on...” 表示 “给…… 留下…… 印象”，“impress” 的名词形式 “impression”，“The beauty of the protected wetland made a strong impression on the visitors.” 即 “受保护湿地的美丽给游客留下了深刻的印象”。
答案：careless
解析：根据 “sometimes forgets to turn off the lights to save electricity” 可知，他有点粗心，“careful” 的反义词 “careless” 表示 “粗心的”，“He is a little careless and sometimes forgets to turn off the lights to save electricity.” 即 “他有点粗心，有时会忘记关灯以节约用电”。
答案：decision
解析：“make a...to do sth.” 表示 “做出…… 去做某事”，“decide” 的名词形式 “decision”，“We should learn to make a decision to protect the environment when facing problems.” 即 “当面临问题时，我们应该学会做出保护环境的决定”。
答案：classic
解析：“story” 是名词，用形容词修饰，“class” 的形容词形式 “classic” 表示 “经典的”，“The classic story about a brave tree - planter has inspired many people.” 即 “关于一位勇敢的植树者的经典故事激励了许多人”。
IV. Rewrite the following sentences as required（按要求完成句子）
答案：Where did
解析：对地点 “in the park” 提问用 “where”，原句是一般过去时，且 “planted” 是实义动词，借助助动词 “did”，后面动词还原为原形 “plant” ，所以是 “Where did”。
答案：suggested; to
解析：“Why not do sth.” 表示 “为什么不做某事”，相当于 “suggest sb. to do sth.”，原句是一般过去时，所以填 “suggested; to”。
答案：begin; next
解析：“start” 意为 “开始”，同义词是 “begin”，“The environmental project will begin next month.” 与原句意思相同。
答案：What great
解析：“progress” 是不可数名词，用 “What + 形容词 + 不可数名词 + 主语 + 谓语！” 结构构成感叹句，所以是 “What great”。
答案：in the neighborhood
解析：“in the community” 意为 “在社区”，“in the neighborhood” 也表示 “在附近；在社区” ，可替换。
答案：did they
解析：“Nobody” 表示否定，前否后肯，原句是一般过去时，且 “knew” 是实义动词，反义疑问句借助助动词 “did”，主语用 “they” ，所以是 “did they”。
答案：She was cleaning when the doorbell rang.
解析：“when” 引导时间状语从句，根据语境可知，“She was cleaning” 为主句，“the doorbell rang” 为从句，组合成 “She was cleaning when the doorbell rang.” ，意为 “门铃响的时候她正在打扫”。
二、Part 2 Reading and Writing（读和写）
V. Reading comprehension（阅读理解）
A. Choose the best answer（阅读选择）
答案：C
解析：根据文中 “The Earth is our home, but it is facing many problems. One of the biggest problems is pollution.” 可知，地球面临的最大问题之一是污染，选 C。
答案：C
解析：由 “Air pollution comes from factories, cars, and burning things.” 可知，空气污染来自工厂、汽车和燃烧物品，选 C。
答案：B
解析：根据 “People cut down too many trees for farming, building, and making paper.” 可知，人们砍伐树木，所以 “deforestation” 意思是 “森林砍伐”，选 B。
答案：C
解析：从 “Trees are important because they clean the air and give us oxygen.” 可知，树木重要是因为它们净化空气并提供氧气，选 C。
答案：D
解析：依据 “We can plant more trees, reduce waste, and use less energy.” 可知，我们可以通过多种树来保护地球，选 D。
答案：A
解析：文章先介绍地球面临的污染和森林砍伐等问题，然后提出保护地球的措施，主旨是地球面临的问题及解决方法，选 A。
B. Choose the best answer and complete the passage（完形填空）
答案：B
解析：根据 “Some classmates thought her choice was strange and laughed at her.” 可知，她在学校面临很多 “挑战”，“challenges” 符合语境，选 B。
答案：D
解析：由 “But” 可知，她继续追逐梦想，“continued” 表示 “继续”，选 D。
答案：A
解析：去海滩清理的是 “垃圾”，“waste” 符合，选 A。
答案：C
解析：塑料垃圾会 “伤害” 海洋动物，“harmed” 表示 “伤害”，选 C。
答案：D
解析：她的报告 “鼓励” 学校重视环境教育，“encouraged” 符合语境，选 D。
C. Fill in the blanks with proper words（首字母填空）
答案：dangers
解析：蜜蜂面临很多 “危险”，“dangers” 符合语境，且 “many” 后接可数名词复数。
答案：harmful
解析：杀虫剂对蜜蜂是 “有害的”，“be harmful to” 表示 “对…… 有害”，所以填 “harmful”。
答案：save
解析：根据下文措施可知，是为了 “拯救” 蜜蜂，“save” 符合语境，“to” 后接动词原形。
答案：research
解析：科学家做 “研究”，“do research” 表示 “做研究”，所以填 “research”。
答案：creatures
解析：蜜蜂是小但重要的 “生物”，“creatures” 符合语境，且这里用复数形式表示一类。
D. Answer the questions（回答问题）
答案：Last year.
解析：根据 “Our school started the Green School Project last year.” 可知答案。
答案：To make the school more environmentally friendly.
解析：由 “The project aims to make our school more environmentally friendly.” 可知答案。
答案：They set up recycling bins in every classroom, planted a small garden on the school playground and held environmental protection classes.
解析：从 “First, we set up recycling bins in every classroom...Second, we planted a small garden on the school playground...Third, we held environmental protection classes.” 可总结得出答案。
答案：The school looks cleaner and more beautiful and students have developed good habits.
解析：根据 “The Green School Project has brought many good changes. Our school looks cleaner and more beautiful. Students have also developed good habits.” 可知答案。
答案：Yes, I think so. Because it can help students develop good environmental protection habits and make the school a better place.（答案不唯一，合理即可）
解析：先表明观点，再阐述理由，合理说明在学校开展该项目的好处即可。
VI. Writing（作文）
参考范文：
Let’s Protect the Environment
Nowadays, there are many environmental problems around us. Rubbish is often thrown everywhere, and the air is polluted by factories. Protecting the environment is important because it’s related to our health and future.
To solve these problems, we can plant more trees to clean the air. Also, we should stop throwing rubbish everywhere and recycle waste. Let’s take action to make the Earth more beautiful.

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