Unit 6 At one with nature starting out 测试题（含答案）新外研版必修一

中小学教育资源及组卷应用平台
book 1 unit 6 starting out 测试题
一、用单词的适当形式完成句子
1．The painter painted many pictures calling on people to protect nature. In this painting, there is a city ________ (wrap) in fog.
2．As is known to us all, skipping breakfast does harm ________ our health.
3．________(walk) in the fields on a March afternoon, he felt the warmth of spring.
4．This booklet provides useful information about local scenic spots________the tourists.
5．She goes to the trouble ________(practice) English writing, which is why her composition is so good.
6．The artist pay much attention to a ________(harmony) combination of colours.
7．I hope you all understand the _________(significant) of this contract.
8．However, this reality also worried my ________(design).
9．TV shopping is ________(attract) because you can buy things easily without going out.
10．Repair work is scheduled for ________(complete) in April.
二、阅读理解
A
Have you ever wondered if you see the same colours as other people Most people know what blue is when they see it. They call it “blue” because they were taught the word and connected it with what they saw. But how do you know what you see as blue isn’t someone else’s red
The ability to notice different colours is up to receptors (感受器) in our eyes. Light waves hit these receptors and they react depending on which colour the light is, sending signals to the brain. The brain then reads these signals to determine which colour light the eyes are receiving.
Some people’s receptors are more developed than others. The inability of the receptor to feel the light waves correctly means that some people cannot tell the differences between similar colours. Those with more developed receptors can see more colours. We sometimes hear people having an argument about whether something is dark blue or black. It might be because one person has stronger receptors to feel the light waves than another.
In the past, most scientists would argue that everyone saw colours in the same way. However, research was conducted on monkeys, in which their receptors were changed. This enabled them to see more colours than usual. Normally monkeys can only see blue and green, but the change allowed them to see red. Their brains automatically (自动地) got used to new colours. This suggests that our brains may find new colours of the things we see. Colours could be a very personal experience, unique to everyone.
So, the next time you talk about your favourite colour, just remember that if yours is blue and your friend says red, you two might actually be thinking about the same colour. What if everyone in the world has the same favourite colour, but just calls it different names
11．What is Paragraph 2 mainly about
A．How we see colours.
B．How the brain deals with signals.
C．The relation between the brain and signals.
D．The connection between receptors and light waves.
12．Which of the following might the author agree
A．People with poor receptors usually have colour weakness.
B．People cannot feel colours with their developed receptors.
C．The more lights people feel, the weaker receptors they have.
D．People often cannot tell the difference between dark blue and black.
13．What’s the purpose of conducting the research on monkeys
A．To develop the receptors of humans.
B．To enable monkeys to find more colours.
C．To test the monkeys for colour recognition.
D．To prove not everyone sees colours in the same way.
14．Where does the text probably come from
A．A film review. B．An art journal.
C．A science magazine. D．A business newspaper.
B
Some 3,000 tern (燕鸥) eggs were abandoned at a Southern California island after a drone (无人机) crashed and scared off the birds, a newspaper reported in June 2021.
In May 2021, two drones were flown over the Bolsa Chica Ecological Reserve in Huntington Beach, California. One of them went down in the wetlands. Fearing an attack from an enemy, several thousand terns abandoned their ground-based nests. Usually during June, the birds would be watching their eggs. But now, the sand is filled with eggshells.
Melissa Loebl is the manager of the protected area, which is about 160 km north of San Diego, California. With the pandemic(流行病) driving more and more people to outdoor spaces, in 2020, about 100,000 visitors came to the Bolsa Chica Ecological Reserve. That was up from about 60,000 in 2019, she told the newspaper.
That has led to an increase in human activities, including flying drones and riding bicycles. All these activities are not permitted. There has been a great increase in dogs, particularly those permitted to run free. This is especially bad during the season when the birds lay eggs.
Another problem is the development of multimillion-dollar homes near the protected area. The owners feel they should be able to use the land as they like. The government are taking more action to stop people who break the rules.
The protected area is the largest saltwater wetland between Monterey Bay just south of San Francisco and the Tijuana River Estuary. Some 800 kinds of plants and animals live at or travel to Bolsa Chica. There are many concerns about its future.
15．Why did the birds abandon their eggs
A．They had planned to build new nests.
B．Their ground-based homes were unsafe.
C．They thought their enemy was coming.
D．They hated the loud noise of the drone.
16．Which of the following was due to the pandemic according to the text
A．People needed more pets.
B．People loved nature more.
C．People used drones more.
D．People might prefer to stay outdoors.
17．What do we know about the people living near the protected area
A．They try to protect birds.
B．They care little about nature.
C．They build houses everywhere.
D．They are against the development.
18．What can be the best title for the text
A．Broken Eggs Need to Be Saved
B．Drone Flying Should Be Stopped
C．Human Activities Hurt Wildlife Greatly
D．About 3,000 Eggs Were Abandoned after Drone Scared off Birds
三、七选五
Underground farming, as the name may suggest, is the practice of growing food underground. Until recently, underground farming becomes a trend because of its potential (潜力) and the benefits that it brings. 19 Food can then be grown in stable, suitable and sustainable ways there. The following are some of its benefits.
20
It has been estimated(估算) that even if a city was to build rooftop greenhouses on every possible building and fill the parking spots with growing containers, it would only be able to reach around 5% of the crop requirements of the city. 21 Rooftop greenhouses also require buildings that have very large flat roofs and are strong enough structurally, yet most buildings simply don’t meet the requirements. That’s where underground farms stand out. They require less surface space and can be applied to almost any new building.
It lowers heating costs of the building above.
Even the most efficient LED lights produce waste heat, which means that they heat up the farm, and for most modern indoor farms that’s a major problem because not only is energy lost through lighting, but it’s also required to cool down the farms. 22 Besides, people are working on ways to recycle the waste heat in order to help heat the building above and reduce its energy.
It enables farming in unfriendly environments.
Obviously at a certain depth, the weather and environmental conditions of the surface have no effect on the growing environment. 23
A．It replaces rooftop greenhouses.
B．It increases the urban farming space.
C．Underground farms have a big advantage here.
D．It aims at creating a good underground environment.
E．Growing crops in cities is highly limited due to less empty space.
F．However, underground farms can reduce that waste of energy to some extent.
G．So it’s possible to build productive farms in deserts and even mountainous areas.
四、完形填空
Every year about 40,000 people attempt to climb Kilimanjaro, the highest mountain in Africa. They 24 with them lots of waste. The 25 might damage the beauty of the place. The glaciers(冰川) are disappearing, changing the face of Kilimanjaro.
Hearing these stories, I’m 26 about the place — other destinations are described as “purer” natural experiences.
However, I soon discover 27 much has changed since the days of disturbing reports of 28 among tons of rubbish. I find a 29 mountain, with toilets at camps and along the paths. The environmental challenges are 30 but the efforts made by the Tanzania National Park Authority seem to be paying off.
The best of a Kilimanjaro 31 , in my opinion, isn’t reaching the top. Mountains are 32 as spiritual places by many cultures. This view is especially evident on Kilimanjaro as 33 go through five ecosystems(生态系统) in the space of a few kilometers. At the base is a rainforest. It ends abruptly at 3, 000 meters, giving way to lands of low growing plants. Further up, the weather 34 — low clouds envelope the mountainsides, which are covered 35 thick grass. I count twelve shades of green from where I stand. Above 4, 000 meters is the highland 36 : gravel(砾石), stones and rocks. 37 you climb into an arctic-like zone with permanent snow and the glaciers that may soon disappear.
Does Kilimanjaro 38 its reputation as a crowded mountain with lines of tourists ruining the atmosphere of peace I found the opposite to be true.
24．A．keep B．mix C．connect D．bring
25．A．stories B．buildings C．crowds D．reporters
26．A．silent B．skeptical C．serious D．crazy
27．A．that B．what C．which D．as
28．A．equipment B．grass C．camps D．stones
29．A．remote B．quiet C．tall D．clean
30．A．new B．special C．significant D．necessary
31．A．atmosphere B．experience C．experiment D．sight
32．A．studied B．observed C．explored D．regarded
33．A．scientists B．climbers C．locals D．officials
34．A．changes B．clears C．improves D．permits
35．A．into B．in C．with D．of
36．A．village B．desert C．road D．lake
37．A．Obviously B．Easily C．Consequently D．Finally
38．A．enjoy B．deserve C．save D．acquire
五、用单词的适当形式完成短文
The Longji Rice Terraces 39 (build) by the local Zhuang and Yao people, to whom Guangxi is home. Starting in the Yuan Dynasty, work on the terraces took hundreds of years, until its 40 (complete) in the early Qing Dynasty.
There are few large, flat areas of land in the region. Building these terraces can increase the areas in 41 people grow rice. Besides, the flat terraces can catch the rainwater and prevent the soil from 42 (wash) away. But perhaps what is most significant is the way in which people 43 (work) in harmony with nature to make these terraces and grow rice. These terraces also provide a perfect environment 44 birds and fish.
45 modern technology could help produce more crops, new generations continue to use ancient 46 (method) of agriculture to maintain the terraces. Today, the Longji Rice Terraces attract thousands of visitors who come 47 (admire) this great wonder 48 (create) by people and nature working together.
六、其他应用文
49．Directions: Write an English composition in at least 150 words according to the instructions given below in Chinese.
很多人认为目前我们正在面临“一次性文化”(throw-away culture)的冲击。我们习惯使用各种一次性用品，原因是它们方便、卫生，但是后果也是非常严重的——这些用品会破坏水源、污染土地和空气。假如你是李华，请写一封信给世界自然保护联盟，谈谈你对一次性用品的看法，包括以下内容：
●你是否有使用一次性用品的习惯以及理由;
●具体说明如何面对一次性用品造成的环境问题。
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
参考答案：
1．wrapped
【详解】考查非谓语动词。句意：画家画了许多呼吁人们保护自然的画作。在这幅画中，有一个被雾笼罩的城市。分析句子结构可知，空处为非谓语动词作定语，因a city 与wrap之间是逻辑上的动宾关系且表示动作已经发生，故应用过去分词。故填wrapped。
2．to
【详解】考查固定搭配。句意：我们大家都知道，不吃早餐会损害我们的健康。do harm to...是固定短语，意为“对……有害”，其中to是介词。故填to。
3．Walking
【详解】考查非谓语动词。句意：三月的一个下午，他走在田野里，感受到了春天的温暖。分析句子结构可知，空处为非谓语，因he与walk之间是逻辑上的主谓关系，故应用现在分词作状语，句首单词首字母大写。故填Walking。
4．for
【详解】考查介词。句意：这本小册子为游客提供有关当地景点的有用资讯。provide sth. for sb.=provide sb. with sth.为固定搭配，表示“给某人提供某物”。故填for。
5．to practice
【详解】考查动词的固定结构。句意：她努力去练习英语写作，这就是为什么她的写作写得这么好。短语go to the trouble to do sth.，意为“尽力设法做某事”，符合句意。故填to practice。
6．harmonious
【详解】考查形容词。句意：这位画家特别注重协调的色彩搭配。分析句子可知，修饰名词combinatin应用形容词作定语，harmony对应的形容词为harmonious。故填harmonious。
7．significance
【详解】考查名词。句意：我希望你们都能懂得这个合同的重要性。分析句子可知，understand为宾语从句的谓语，空处缺少名词作宾语，significant对应的名词为significance。故填significance。
8．designer/designers
【详解】考查名词。句意：然而，这个现实也使我的设计者（们）很担心。分析句子可知，空处缺少动词worried的宾语，结合句意，此处表示“使设计师（们）很担心”，应填designer或者designers。故填designer/designers。
9．attractive
【详解】考查形容词。句意：电视购物很有吸引力，因为你足不出户就能轻松地买到东西。分析句子可知，空处作表语，故用形容词，表示“有吸引力的”，用attractive。故填attractive。
10．completion
【详解】考查名词。句意：修缮工作预定在四月完成。介词for后用名词作宾语，故填completion
11．A 12．A 13．D 14．C
【导语】这是一篇说明文。文章主要介绍了人眼分辨颜色背后的科学。
11．主旨大意题。根据第二段“The ability to notice different colours is up to receptors(感受器) in our eyes. Light waves hit these receptors and they react depending on which colour the light is, sending signals to the brain. The brain then reads these signals to determine which colour light the eyes are receiving. (看到不同颜色的能力取决于我们眼睛中的感受器。光波击中这些受体，它们根据光的颜色做出反应，向大脑发送信号。然后大脑读取这些信号，以确定眼睛接收到的是哪种颜色的光)”可知，本段主要讲我们是怎样看到不同颜色的。故选A项。
12．推理判断题。根据第三段中“The inability of the receptor to feel the light waves correctly means that some people cannot tell the differences between similar colours. Those with more developed receptors can see more colours.(受体无法正确感受光波，这意味着有些人无法分辨相似颜色之间的差异。受体更发达的人可以看到更多的颜色)”可推知，作者认为，受体较差的人通常有色弱。故选A项。
13．推理判断题。根据第四段中“In the past, most scientists would argue that everyone saw colours in the same way. However, research was conducted on monkeys, in which their receptors were changed. (在过去，大多数科学家认为每个人看到颜色的方式都是一样的。然而，在猴子身上进行的研究中，它们的受体发生了变化)”和“This suggests that our brains may find new colours of the things we see. Colours could be a very personal experience, unique to everyone. (这表明我们的大脑可能会发现我们所看到的事物的新颜色。颜色可能是一种非常个人的体验，对每个人来说都是独一无二的)”可推知，对猴子进行研究的目的是证明并非每个人看颜色的方式都是一样的。故选D项。
14．推理判断题。通读全文，尤其根据第一段中“But how do you know what you see as blue isn’t someone else’s red (但是你怎么知道你看到的蓝色不是别人看到的红色呢？)”可知，本文主要介绍了人眼分辨颜色背后的科学。由此推知，本文可能出现在科学杂志上。故选C项。
15．C 16．D 17．B 18．D
【导语】本文是一篇新闻报道。主要介绍了生态保护区的人类活动的增加对于动物们造成的影响。
15．细节理解题。根据第一段“Some 3,000 tern (燕鸥) eggs were abandoned at a Southern California island after a drone (无人机) crashed and scared off the birds, a newspaper reported in June 2021.(据一家报纸2021年6月报道，在一架无人机坠毁并吓跑了鸟类后，大约3000个燕鸥蛋被遗弃在南加州的一个岛屿上。)”及第二段中的“Fearing an attack from an enemy, several thousand terns abandoned their ground-based nests. (由于害怕敌人的攻击，几千只燕鸥放弃了它们在地面上的巢穴。)”可知，这些鸟遗弃了它们的鸟蛋主要是因为它们担心坠毁的无人机是来自敌人的袭击。故选C。
16．细节理解题。根据第三段中的“With the pandemic(流行病) driving more and more people to outdoor spaces...Bolsa Chica Ecological Reserve.(随着大流行促使越来越多的人前往户外空间，2020年，约有10万名游客来到Bolsa Chica生态保护区。)”可知，由于疫情的影响，人们可能更喜欢待在户外。故选D。
17．推理判断题。根据第五段“Another problem is the development of multimillion-dollar homes near the protected area. The owners feel they should be able to use the land as they like. The government are taking more action to stop people who break the rules.(另一个问题是在保护区附近开发价值数百万美元的房屋。业主们认为他们应该能够随心所欲地使用土地。政府正在采取更多的行动来阻止违反规则的人。)”可知，住在保护区附近价值数百万美元的住宅中的人认为他们应该能够随心所欲地使用土地，而政府正在采取更多行动阻止那些违反规定的人。由此可推知，生活在保护区附近的居民很少关心自然。故选B。
18．主旨大意题。根据第一段“Some 3,000 tern (燕鸥) eggs were abandoned at a Southern California island after a drone (无人机) crashed and scared off the birds, a newspaper reported in June 2021.(据一家报纸2021年6月报道，在一架无人机坠毁并吓跑了鸟类后，大约3000个燕鸥蛋被遗弃在南加州的一个岛屿上。)”及全文可知，本文是一篇新闻报道，文章主要报道了一架无人机坠毁吓走几千只燕鸥后，约3 000只鸟蛋被遗弃这一事件。所以D项“About 3,000 Eggs Were Abandoned after Drone Scared off Birds(无人机吓跑鸟类后，大约3000个鸟蛋被遗弃)”最适合作本文的标题。故选D。
19．D 20．B 21．E 22．F 23．G
【导语】本文是一篇说明文。主要介绍了地下农场以及它的潜力和可以带来的好处。
19．根据空后的“Food can then be grown in stable, suitable and sustainable ways there.(在那里，粮食可以以稳定、适宜和可持续的方式种植。)”可知，粮食就可以在那里以稳定、适宜和可持续的方式被种植。D项“It aims at creating a good underground environment.(地下农场养殖旨在创造良好的地下环境。)”承上启下，符合语境。D项中的It指代的就是文中的underground farming。故选D项。
20．根据下文“That’s where underground farms stand out. They require less surface space and can be applied to almost any new building.(这就是地下农场的突出之处。它们需要更少的表面空间，几乎可以应用于任何新建筑。)”可知，地下农场需要较少的表面空间，几乎可以应用于任何新建筑。由此可知，本段主要讲的是地下农场养殖可以增加城市的耕种空间。B项“It increases the urban farming space.(它增加了城市农业空间。)”符合语境，故选B项。
21．根据上文“It has been estimated(估算) that even if a city was to build rooftop greenhouses on every possible building and fill the parking spots with growing containers, it would only be able to reach around 5% of the crop requirements of the city.(据估计，即使一个城市在所有可能的建筑物上建造屋顶温室，并在停车位上装满种植容器，也只能达到该市作物需求的5%左右。)”可知，城市农业生产的空间不足。E项“Growing crops in cities is highly limited due to less empty space.(由于城市空地较少，在城市里种植农作物受到很大限制。)”进一步说明城市耕种空间少，作物种植受到限制，承接上文，符合文意。故选E项。
22．根据下文“Besides, people are working on ways to recycle the waste heat in order to help heat the building above and reduce its energy.(此外，人们正在研究回收废热的方法，以帮助加热上面的建筑物，减少其能源。)”可知，人们还只能在研究方法回收地下农场产生的废热，减少能源浪费。F项“However, underground farms can reduce that waste of energy to some extent.(然而，地下农场可以在一定程度上减少能源浪费。)”符合语境，故选F项。
23．根据空前的“Obviously at a certain depth, the weather and environmental conditions of the surface have no effect on the growing environment.(显然，在一定深度，地表的天气和环境条件对生长环境没有影响。)”可知，在一定的深度，地表的天气和环境条件对于种植环境没有影响，空处应说明在自然环境恶劣的地区也可以建立地下农场。G项“So it’s possible to build productive farms in deserts and even mountainous areas.(因此，在沙漠甚至山区建立高产农场是可能的。)”符合语境。故选G项。
24．D 25．C 26．B 27．A 28．C 29．D 30．C 31．B 32．D 33．B 34．A 35．C 36．B 37．D 38．B
【导语】这是一篇说明文。文章围绕人与自然的主题，讲述了乞力马扎罗山环境遭到破坏的现状，同时也介绍了它独特的生态系统，旨在呼吁人们去保护这一奇观。
24．考查动词词义辨析。句意：它们带来了大量的垃圾。A. keep保存；B. mix混合；C. connect连接；D. bring带来。根据首段第一句“Every year about 40,000 people attempt to climb Kilimanjaro”和下文的“The ____2____ might damage the beauty of the place.”可知，此处指他们带来了大量垃圾。故选D项。
25．考查名词词义辨析。句意：人群可能会破坏这个地方的美丽。A. stories故事；B. buildings建筑；C. crowds人群；D. reporters记者。根据首段第一句中的“40,000 people”可知，此处指人群可能破坏了这个地方的美景。故选C项。
26．考查形容词词义辨析。句意：听到这些故事，我对这个地方持怀疑态度——其他目的地被描述为“更纯粹”的自然体验。A. silent沉默的；B. skeptical怀疑的；C. serious严肃的；D. crazy疯狂的。上文提到乞力马扎罗山已经遭到破坏，所以“我”对这个地方开始持怀疑态度。故选B项。
27．考查宾语从句。句意：然而，我很快发现，自从那些令人不安的关于营地在成吨垃圾中的报道以来，情况已经发生了很大变化。A. that连接词；B. what……的东西；C. which哪一个；D. as正如。分析句子结构，从句位于动词discover后，故为宾语从句，从句中不缺主、宾、表和定语，且不缺意义，故用连接词that起连接作用即可。故选A项。
28．考查名词词义辨析。句意：然而，我很快发现，自从那些令人不安的关于营地中成吨垃圾中的报道以来，情况已经发生了很大变化。A. equipment设备；B. grass草地；C. camps营地；D. stones石头。根据下文的“with toilets at camps and along the paths”可知，此处指营地里有很多垃圾。此处camps为原词复现。故选C项。
29．考查形容词词义辨析。句意：我找到了一座干净的山，营地和小路上都有厕所。A. remote远的；B. quiet安静的；C. tall高的；D. clean干净的。上文提到营地里有很多垃圾的情况已经发生了很大变化，此处旨在说明乞力马扎罗山营地的变化，故应是发现了一做干净的山，与之前的情况作对比。故选D项。
30．考查形容词词义辨析。句意：环境挑战是重大的，但坦桑尼亚国家公园管理局的努力似乎正在取得成效。A. new新的；B. special特别的；C. significant重要的、巨大的；D. necessary有必要的。由上文的“tons of rubbish”可知，此处指环境的挑战是巨大的。故选C项。
31．考查名词词义辨析。句意：在我看来，在乞力马扎罗山最好的体验并不是到达山顶。A. atmosphere气氛；B. experience经历、体验；C. experiment实验；D. sight视力、景色。结合句意，“到达山顶”不是一种气氛、实验或景色，是一种登山的体验。故选B项。
32．考查动词词义辨析。句意：在许多文化中，山被视为精神之所。A. studied学习；B. observed观察；C. explored探索；D. regarded被认为。根据下文“as spiritual places by many cultures.可知，在许多文化中，山被视为精神之所。 ”固定短语be regarded as表示“被认为是……”符合句意和题干as的提示。故填D项。
33．考查名词词义辨析。句意：这种情况在乞力马扎罗山特别明显，因为登山者们在几千米的路上要经过五个生态系统。A. scientists科学家；B. climbers登山者；C. locals当地人；D. officials官方。下文对生态系统具体的描述中不难感受到，符合登山者们一路向上的过程。故选B项。
34．考查名词词义辨析。句意：再往上走，天气就变了。A. changes改变；B. clears澄澈；C. improves改善；D. permits允许。破折号后具体说明了天气的变化情况，依然在描述天气变了。故选A项。
35．考查介词词义辨析。句意：再往上走，天气就变了——低云笼罩着长满茂密草的山坡。A. into里面；B. in在……里；C. with用；D. of……的。固定短语be covered with意为“被覆盖”，符合句意和题干。故选C项。
36．考查名词词义辨析。句意：4000米以上是高原沙漠：砾石，石头和岩石。A. village村庄；B. desert沙漠；C. road路；D. lake湖泊。结合常识和“gravel(砾石), stones and rocks”可知，只有沙漠上才会充满砾石，石头和岩石。故选B项。
37．考查副词词义辨析。句意：最终你会爬到北极一样的区域。A. Obviously显然；B. Easily容易地；C. Absolutely绝对；D. Finally最终。根据下文“you climb into an arctic-like zone with permanent snow and the glaciers that may soon disappear.”可知，最终你会爬到北极一样的区域。这里已经描述到了山的最上部，至此自然环境的变化也就不再继续了。故选D项。
38．考查动词词义辨析。句意：乞力马扎罗山是否因为成群结队的游客破坏了和平的气氛而配得上“拥挤的山”的名声？A. enjoy享受；B. deserve配得上；C. save节省；D. acquire获得。作者在这里质疑该山是不是应该被誉为“拥挤的山”这一名号，以此在对后面的回答做好铺垫。故选B项。
39．were built 40．completion 41．which 42．being washed 43．have worked 44．for 45．Although/Though/While 46．methods 47．to admire 48．created
【导语】本文是一篇说明文。主要介绍的是龙脊梯田的历史及其建立的价值和意义。
39．考查谓语动词。句意：龙脊梯田是广西壮族和瑶族人民建造的。分析句子结构可知，此处为谓语动词，根据文章内容可知，建龙脊梯田发生在过去，且The Longji Rice Terraces与build之间为被动关系，故用一般过去时的被动语态，因主语为复数，谓语动词也用复数形式。故填were built。
40．考查名词。句意：从元朝开始，梯田的建造工作花了数百年，直到清初才完成。分析句子结构可知，空前是形容词性物主代词its，故空处应填名词形式，complete的名词为completion意为“完成”为不可数名词。故填completion。
41．考查定语从句。句意：建造这些梯田可以增加人们种植水稻的面积。分析句子结构可知，此处为“介词+关系代词”引导定语从句，先行词是areas，指物，故用关系代词which。故填which。
42．考非谓语动词。句意：此外，平坦的梯田可以收集雨水，防止土壤被冲走。分析句子结构可知，此处应为非谓语动词作宾语，根据prevent...from doing sth.意为“防止……做某事”，且soil与wash away之间为被动关系，故用现在分词的被动形式。故填being done。
43．考查谓语动词。句意：但也许最重要的是人们与自然和谐相处的方式，他们建造了这些梯田并种植水稻。分析句子结构可知，此处应为谓语动词，结合句意可知，work表示的动作发生在过去，并对现在造成了影响，因此应用现在完成时，且与句子主语之间为主动关系，主语为复数。故填have worked。
44．考查介词。句意：这些梯田也为鸟类和鱼类提供了一个完美的环境。分析句子结构可知，此处应为固定短语provide … for … 意为“给……提供……”。故填for。
45．考查连词。句意：虽然现代技术可以帮助生产更多的作物，但新一代的人继续使用古老的农业方法来维持梯田。结合句意可知，两个句子之间表示让步关系，意为“尽管”，所以用although/though/while引导让步状语从句，位于句首，首字母需大写。故填Although/Though/While。
46．考查名词。句意：虽然现代技术可以帮助生产更多的作物，但新一代的人继续使用古老的农业方法来维持梯田。分析句子结构可知，此处应为名词作宾语，method是可数名词，此处用复数泛指，故填methods。
47．考查非谓语动词。句意：今天，龙脊梯田吸引了成千上万的游客前来欣赏这个由人与自然共同创造的伟大奇迹。分析句子结构可知，此处应为非谓语动词，结合句意可知，此处表示目的，所以应使用不定式形式，且表示主动关系。故填to admire。
48．考查非谓语动词。句意：今天，龙脊梯田吸引了成千上万的游客前来欣赏这个由人与自然共同创造的伟大奇迹。分析句子结构可知，此处应为非谓语动词作定语，wonder与create之间为逻辑上的动宾关系，且该动作已经发生，所以应使用过去分词短语作后置定语。故填created。
49．Dear Madam or Sir,
I’m writing to share my opinions on the throw-away culture and its great impact on our daily life. The throw-away culture refers to the habit of using disposable products, which are often made of plastic or paper. Though these products are popular, many critics have already pointed out that such a culture may contribute to the worsening of our environment.
In my daily life, from using plastic straws to ordering food deliveries and asking them to prepare chopsticks for me, I inevitably use disposable products. In my opinion, these products are greatly designed for those who live a fast-paced life. In fact, these products save my time to a great extent.
However, it cannot be denied that these products do harm to our Earth. But is banning its use altogether a good solution Take our neighbour, Japan, as an instance. If you ever look closely into the Japanese society, you could find that plastic bags and disposable chopsticks are unlimited whether in supermarkets or in restaurants. The Japanese government has been implementing a recycling policy for decades where all recyclables must be sorted in many detailed categories.
The negative impact of those products cannot be completely erased and may still be around for years. But technology is developing fast and I have the faith in our generation to work together and find a solution in the near future.
Yours,
Li Hua
【导语】本文是一篇应用文。写一封信给世界自然保护联盟，谈谈你对一次性用品的看法，包括以下内容：1. 你是否有使用一次性用品的习惯以及理由；2. 具体说明如何面对一次性用品造成的环境问题。
【详解】1. 词语积累
关于：on→concerning
造成：contribute to→lead to
就我个人而言：in my opinion→as far as I am concerned
快地：fast→rapidly
2. 句式拓展
简单句变复合句
原句：The negative impact of those products cannot be completely erased and may still be around for years.
拓展句：The negative impact of those products, which cannot be completely erased, may still be around for years.
【点睛】【高分句型1】The throw-away culture refers to the habit of using disposable products, which are often made of plastic or paper. (运用了which引导的非限制性定语从句)
【高分句型1】If you ever look closely into the Japanese society, you could find that plastic bags and disposable chopsticks are unlimited whether in supermarkets or in restaurants. (运用了if引导的条件状语从句以及that引导的宾语从句)
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