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Unit 5 Period 3 Using Language分层练习
语言能力 探讨不同耕种方式的优缺点。
学习能力 培养学生自主学习和合作学习能力。
思维品质 培养学生对农业可持续发展的思考
文化意识 培养学生创新思维，提出自己的见解。
一、单词拼写
1．The flowers are in need of (肥料).
2．When not directly assisting the
staff, I listened attentively to the patients' concerns and helped to (缓解)their fears.
3．We must reduce the danger of war by
controlling nuclear, chemical, and (常规的) arms.
4．I know you have deep feelings for
him. But we should face (现实).
5． (估计)
of the damage range between $1 million and $5 million.
6．The writer (扩展) his short novel into a long one.
7．He has determined to overcome his
(缺点) of not being punctual.
8．The dam is very useful. It can not
only (产生) electricity but also hold back the
floods.
9．The consequences of this food (危机) go far beyond economics.
10．Many people know how to (得到) success, but few know how to make the best use of it.
二、语法填空
11．It is a pity we won't be able
to go camping this Sunday.
12．What caused the serious traffic accident (remain) unknown.
13． worries most of us is that the
chemicals may even cause cancer.
14． we shall be successful is
certain.
15．When these wheat farmers will join
this pilot experiment (remain) an unanswered question.
16．These difficulties are about to
(overcome).
17．He is considering (expand) his
business.
18．It is far from the (true).
19．Sichuan cuisine is famous both
home and abroad.
20．He was a very gentle boy heart.
三 课文语法填空
Yuan Longping, known as the "father of hybrid rice", was born in 1930 in Beijing. 21． (learn) that farmers often had poor harvests and sometimes even had a serious 22． (short) of food to eat, he chose to study agriculture and graduated from Southwest Agricultureal College in 1953.
After his graduation, Yuan 23． (devote) his life to finding ways to produce more rice. He realized that larger fields were not the solution 24． food crisis. Instead, farmers needed to boost yields in the fields they had. Through intense effort, Yuan got over enormous technical 25． (difficulty) and developed the first hybrid rice in 1974, which enabled farmers to expand their output 26． (great). Yuan's rice has helped feed not just China, 27． many other countries that depend on rice as well. Yuan Longping cares little for wealth or fame. Instead, he 28． (make) large donations to support agricultural research.
29． impresses people most about Yuan Longping is his ongoing ability 30． (fulfill) his dreams. Despite his advanced years, Yuan Longping is still young at heart and full of vision, and everyone is waiting to see what he will dream up next.
四、阅读理解
阅读理解
Although it has been shown in recent years that plants can see, hear and smell, they are still usually thought of as silent. But now, for the first time, they have been recorded making ultrasonic (超声的) cries when stressed, which researchers say could open up a new field of precision agriculture where farmers listen for water-starved crops.
Itzhak Khait and his colleagues at Tel Aviv University in Israel found that tomato and tobacco plants made cries at frequencies humans cannot hear when stressed by not having enough water or when their stem is cut.
Microphones placed 10 centimetres from the plants picked up sounds in the ultrasonic range of 20 to 100 kilohertz, which the team says insects and some mammals would be able to hear and respond to from as far as 5 metres away. A moth may decide against laying eggs on a plant that sounds water-stressed, the researchers suggest. Plants could even hear that other plants are short of water and react accordingly, they speculate (推断).
On average, drought-stressed tomato plants made 35 sounds an hour, while tobacco plants made 11. When plant stems were cut, tomato plants made an average of 25 sounds in the following hour, and tobacco plants 15. Unstressed plants produced fewer than one sound per hour, on average.
Enabling farmers to listen for water-stressed plants could "open a new direction in the field of precision agriculture", the researchers suggest. They add that such an ability will be increasingly important as climate change exposes more areas to drought.
"The suggestion that the sounds that drought-stressed plants make could be used in precision agriculture seems feasible (可行的) if it is not too costly to set up the recording in a field situation," says Anne Visscher at the royal Botanic Gardens, Kew, in the UK.
She warns that the results can't yet be broadened out to other stresses, such as salt or temperature, because these may not cause sounds. Besides, there have been no experiments to show whether moths or any other animal can hear and respond to the sounds the plants make, so that idea is still based on guesses for now, she says.
31．The experiment by researchers at Tel Aviv University shows that________.
A．humans can hear water-hungry plants crying clearly
B．plant sounds can be heard by plants quite far away
C．tomato plants cry more often than tobacco when hurt
D．moths like laying eggs on stressed plants
32．What is Anne Visscher's attitude towards the finding of the experiment
A．Cautious. B．Disappointed. C．Appreciative. D．Optimistic.
33．Taking advantage of the new research finding, farmers can________.
A．harvest crops in time B．reduce greenhouse effects
C．detect and remove insects easily D．identify plant condition faster
34．Which of the following would be the best title for the passage
A．Plants Get Stressed Just Like Us
B．Sounds of Plants Detected Far Away
C．Plants Scream in the Presence of Stress
D．Cries of Plants Break Farmers' Hearts
五、任务型阅读
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Gardening can be a rewarding hobby not only because you can watch your plants grow but because you can take pride in your success. People use more ways to save money these days. 35． If you have decided to own a garden then a few beginner gardening tips will help you to get started.
Plant Plants That Grow Easily
36． If you are getting ready to start your first garden then it may be a better idea to choose plants that are strong and easy to grow.
Use Good Soil
As a beginner, if you do not know much about the type of soil that you need, it might be a better idea to buy your soil from a gardening store. You have to consider the type of soil that you have in your yard and what plants you are growing in it as well. 37．
Do Not Over Water
Finally, one of the biggest mistakes that beginners make is over watering their gardens. 38． So you need to learn how much water each plant needs in your garden. It is also beneficial to water your plants early in the morning to get the best results.
39． You can also save money, be healthier, and help protect the environment at the same time.
A. One mistake that many beginners make is trying to grow plants that are hard to grow.
B. With these helpful beginner tips you can grow your own fruit and vegetables.
C. And growing your own fruit and vegetables is one of them.
D. Different plants need different amounts of water.
E. Gardening is many people's favorite hobby.
F. For this reason buying soil from a store may just be easier.
G. There are many mistakes that you may make when beginning gardening.
21世纪教育网(www.21cnjy.com)/ 让教学更有效 精品试卷 | 英语学科
Unit 5 Period 3 Using Language分层练习
语言能力 探讨不同耕种方式的优缺点。
学习能力 培养学生自主学习和合作学习能力。
思维品质 培养学生对农业可持续发展的思考
文化意识 培养学生创新思维，提出自己的见解。
一、单词拼写
1．The flowers are in need of (肥料).
【答案】fertiliser
【解析】【分析】句意：这些花需要施肥。此处名词作介词宾语，fertiliser“肥料”，不可数名词，故填fertiliser。
【点评】考查名词，本题涉及名词作介词宾语。
2．When not directly assisting the
staff, I listened attentively to the patients' concerns and helped to (缓解)their fears.
【答案】alleviate
【解析】【分析】句意：当不用直接地协助职员的时候，我会去聆听病人的担忧和帮助他们缓和恐惧。help to do固定短语，“帮助做.....”，此处不定式作宾语，故填alleviate。
【点评】考查非谓语动词，本题涉及不定式作宾语。
3．We must reduce the danger of war by
controlling nuclear, chemical, and (常规的) arms.
【答案】conventional
【解析】【分析】句意：我们必须通过控制核武器、化学武器和常规武器来减少战争的危险。此处形容词修饰名词arms，作定语，故填conventional。
【点评】考查形容词，本题涉及形容词作定语。
4．I know you have deep feelings for
him. But we should face (现实).
【答案】reality
【解析】【分析】句意：我知道你对他有很深的感情，但我们应该面对现实。此处名词作宾语，reality“现实”，不可数名词，故填reality。
【点评】考查名词，本题涉及名词作宾语。
5． (估计)
of the damage range between $1 million and $5 million.
【答案】Estimates
【解析】【分析】句意：估计损失在一百万到五百万美元之间。此处名词作主语，根据谓语动词range，应用复数名词，故填Estimates。
【点评】考查名词，本题涉及名词作主语。
6．The writer (扩展) his short novel into a long one.
【答案】expanded
【解析】【分析】句意：作家把他的短篇小说扩展成长篇小说。此处是谓语动词，根据句意用一般过去时，故填expanded。
【点评】考查时态，本题涉及一般过去时。
7．He has determined to overcome his
(缺点) of not being punctual.
【答案】shortcoming
【解析】【分析】句意：他决心克服他不守时的缺点。此处名词作宾语，根据语境用单数名词，故填shortcoming。
【点评】考查名词，本题涉及名词作宾语。
8．The dam is very useful. It can not
only (产生) electricity but also hold back the
floods.
【答案】generate
【解析】【分析】句意：大坝非常有用。它不仅可以发电，还可以阻挡洪水。此处是谓语动词，情态动词can后接动词原形，故填generate。
【点评】考查动词，掌握generate的应用。
9．The consequences of this food (危机) go far beyond economics.
【答案】crisis
【解析】【分析】句意：这场粮食危机的后果远远超出了经济范畴。此处名词作介词宾语，根据指示代词this，应用单数名词，故填crisis。
【点评】考查名词，本题涉及名词作介词宾语。
10．Many people know how to (得到) success, but few know how to make the best use of it.
【答案】attain
【解析】【分析】句意：许多人知道如何获得成功，但很少有人知道如何充分利用它。此处是“how+不定式”作宾语，故填attain。
【点评】考查非谓语动词，本题涉及“how+不定式”作宾语。
二、语法填空
11．It is a pity we won't be able
to go camping this Sunday.
【答案】that
【解析】【分析】句意：真遗憾，这个星期天我们不能去露营了。 we won't be able to go camping this Sunday是主语从句，从句中不缺少成分，用that引导，故填that。
【点评】考查名词性从句，本题涉及that引导的主语从句。
12．What caused the serious traffic accident (remain) unknown.
【答案】remains
【解析】【分析】句意：是什么引起了这次严重的交通事故还不得而知。What caused the serious traffic accident是主语从句，谓语动词用单数，陈述的是一个客观事实，用一般现在时，故填remains。
【点评】考查时态和主谓一致，本题涉及一般现在时和从句作主语。
13． worries most of us is that the
chemicals may even cause cancer.
【答案】What
【解析】【分析】句意：我们大多数人担心的是，这些化学物质甚至可能导致癌症。 worries most of us是主语从句，从句中缺少主语，指代物，用代词what引导，故填What。
【点评】考查名词性从句，本题涉及what引导的主语从句。
14． we shall be successful is
certain.
【答案】That
【解析】【分析】句意：我们一定会成功的。 we shall be successful是主语从句，从句中不缺少成分，用连词that引导，故填That。
【点评】考查名词性从句，本题涉及that引导的主语从句。
15．When these wheat farmers will join
this pilot experiment (remain) an unanswered question.
【答案】remains
【解析】【分析】句意：这些种植小麦的农民何时会加入这个中间试验，仍然是一个未解之谜。When these wheat farmers will join this pilot experiment是主语从句，谓语动词用单数，结合从句的时态，可知用一般现在时，故填remains。
【点评】考查时态和主谓一致，本题涉及一般现在时和此句作主语。
16．These difficulties are about to
(overcome).
【答案】be overcome
【解析】【分析】句意：这些困难即将被克服。be about to do固定短语，“即将做.....”，主语these difficult与overcome是动宾关系，应用被动语态，故填be overcome。
【点评】考查非谓语动词，本题涉及不定式的被动式以及固定短语be about to do。
17．He is considering (expand) his
business.
【答案】expanding
【解析】【分析】句意：他正在考虑扩大他的生意。consider doing固定短语，“考虑做......”，动名词作宾语，故填expanding。
【点评】考查非谓语动词，本题涉及动名词作宾语，以及固定短语consider doing。
18．It is far from the (true).
【答案】truth
【解析】【分析】句意：这根本不是事实。true，形容词，真实的，准确的，此处名词作介词宾语，故填truth。
【点评】考查名词，本题涉及名词作介词宾语。
19．Sichuan cuisine is famous both
home and abroad.
【答案】at
【解析】【分析】句意：川菜在国内外都很有名。at home and abroad固定短语，“在国内外”，故填at。
【点评】考查介词，以及固定短语at home and abroad。
20．He was a very gentle boy heart.
【答案】at
【解析】【分析】句意：他本质上是个非常温柔的男孩。at heart固定短语，“本质上， 在内心”，故填at。
【点评】考查介词，以及固定短语at heart。
三 课文语法填空
Yuan Longping, known as the "father of hybrid rice", was born in 1930 in Beijing. 21． (learn) that farmers often had poor harvests and sometimes even had a serious 22． (short) of food to eat, he chose to study agriculture and graduated from Southwest Agricultureal College in 1953.
After his graduation, Yuan 23． (devote) his life to finding ways to produce more rice. He realized that larger fields were not the solution 24． food crisis. Instead, farmers needed to boost yields in the fields they had. Through intense effort, Yuan got over enormous technical 25． (difficulty) and developed the first hybrid rice in 1974, which enabled farmers to expand their output 26． (great). Yuan's rice has helped feed not just China, 27． many other countries that depend on rice as well. Yuan Longping cares little for wealth or fame. Instead, he 28． (make) large donations to support agricultural research.
29． impresses people most about Yuan Longping is his ongoing ability 30． (fulfill) his dreams. Despite his advanced years, Yuan Longping is still young at heart and full of vision, and everyone is waiting to see what he will dream up next.
【答案】21．Learning；22．shortage；23．devoted；24．to；25．difficultieis；26．greatly；27．but；28．makes；29．What；30．to fulfill
【解析】【分析】本文是一篇说明文，介绍了"杂交水稻之父"袁隆平对农业的贡献。
【点评】考查语法填空，本题考点涉及非谓语动词，名词，时态，介词，副词，连词，主谓一致，主语从句以及固定搭配等多个知识点的考查，要求考生在理解细节信息的基础上，进一步根据上下文的逻辑关系，并结合相关语法知识，进行分析推理，从而写出正确的单词形式。
21．句意：得知农民经常收成不佳，有时甚至严重缺乏食物，他选择学农业，并于1953年毕业于西南农业大学。learn与主语he在逻辑上是主动关系，应用现在分词，此处作状语，位于句首，首字母大写，故填Learning。
22．句意：得知农民经常收成不佳，有时甚至严重缺乏食物，他选择学农业，并于1953年毕业于西南农业大学。a shortage of，固定短语，"缺乏，缺少"，故填shortage。
23．句意：毕业以后，袁投身于寻找生产更多大米的方法。此处是作谓语动词，根据时间状语 After his graduation 可知，此处应用一般过去时，故填devoted。
24．句意：他意识到，更大的田地并不能解决粮食危机。 the solution to 固定短语，".......的解决办法"，故填 to 。
25．句意：经过不断的努力，他克服了巨大的技术困难，培育出了第一批杂交水稻，于1974年用于耕作，这使农民能够大幅度地提高产量。此处名词作宾语，是泛指，应用名词复数，故填 difficultieis 。
26．句意：经过不断的努力，他克服了巨大的技术困难，培育出了第一批杂交水稻，于1974年用于耕作，这使农民能够大幅度地提高产量。此处作状语，修饰动词expand，应用副词，故填greatly。
27．句意：袁的水稻不仅帮助养活了中国，也帮助养活了许多其他依赖水稻的国家。 not just ...but (also）固定短语，"不但......，而且......."，故填but。
28．句意：相反，他大量捐款支持农业研究。此处是谓语动词，陈述的是一般事实，应用一般现在时，故填 makes 。
29．句意：袁隆平给人印象最深的是他不断实现梦想的能力。 impresses people most about Yuan Longping是主语从句，从句中缺少主语，结合句意应用代词what，位于句首，首字母大写，故填 What 。
30．句意：袁隆平给人印象最深的是他不断实现梦想的能力。 ability to do固定短语，"做.......的能力"，不定式作定语，故填 to fulfill 。
四、阅读理解
阅读理解
Although it has been shown in recent years that plants can see, hear and smell, they are still usually thought of as silent. But now, for the first time, they have been recorded making ultrasonic (超声的) cries when stressed, which researchers say could open up a new field of precision agriculture where farmers listen for water-starved crops.
Itzhak Khait and his colleagues at Tel Aviv University in Israel found that tomato and tobacco plants made cries at frequencies humans cannot hear when stressed by not having enough water or when their stem is cut.
Microphones placed 10 centimetres from the plants picked up sounds in the ultrasonic range of 20 to 100 kilohertz, which the team says insects and some mammals would be able to hear and respond to from as far as 5 metres away. A moth may decide against laying eggs on a plant that sounds water-stressed, the researchers suggest. Plants could even hear that other plants are short of water and react accordingly, they speculate (推断).
On average, drought-stressed tomato plants made 35 sounds an hour, while tobacco plants made 11. When plant stems were cut, tomato plants made an average of 25 sounds in the following hour, and tobacco plants 15. Unstressed plants produced fewer than one sound per hour, on average.
Enabling farmers to listen for water-stressed plants could "open a new direction in the field of precision agriculture", the researchers suggest. They add that such an ability will be increasingly important as climate change exposes more areas to drought.
"The suggestion that the sounds that drought-stressed plants make could be used in precision agriculture seems feasible (可行的) if it is not too costly to set up the recording in a field situation," says Anne Visscher at the royal Botanic Gardens, Kew, in the UK.
She warns that the results can't yet be broadened out to other stresses, such as salt or temperature, because these may not cause sounds. Besides, there have been no experiments to show whether moths or any other animal can hear and respond to the sounds the plants make, so that idea is still based on guesses for now, she says.
31．The experiment by researchers at Tel Aviv University shows that________.
A．humans can hear water-hungry plants crying clearly
B．plant sounds can be heard by plants quite far away
C．tomato plants cry more often than tobacco when hurt
D．moths like laying eggs on stressed plants
32．What is Anne Visscher's attitude towards the finding of the experiment
A．Cautious. B．Disappointed. C．Appreciative. D．Optimistic.
33．Taking advantage of the new research finding, farmers can________.
A．harvest crops in time B．reduce greenhouse effects
C．detect and remove insects easily D．identify plant condition faster
34．Which of the following would be the best title for the passage
A．Plants Get Stressed Just Like Us
B．Sounds of Plants Detected Far Away
C．Plants Scream in the Presence of Stress
D．Cries of Plants Break Farmers' Hearts
【答案】31．C
32．A
33．D
34．C
【解析】【分析】本文是一篇说明文，最新的研究发现，西红柿和烟草植物在缺水或茎被割时发出人类听不到的频率的叫声。植物甚至可以听到其他植物缺水的声音，并做出相应的反应。
【点评】本题考点涉及细节理解，推理判断和主旨大意三个题型的考查，是一篇科研类阅读，通读全文，理解文章大意，阅读题目后返回原文阅读并找出与题目相对应的内容，仔细核对，选择符合原文原意的答案，完成后再次阅读并检查。
31．考查细节理解。根据第四段中的"When plant stems were cut, tomato plants made an average of 25 sounds in the following hour, and tobacco plants 15."当植物的茎被切断后，番茄植株在接下来的一小时里平均发出25种声音，烟草植株平均发出15种声音。可知，番茄受到伤害时比烟发出更多的声音。故选C。
32．考查推理判断。根据最后一段中的"Besides, there have been no experiments to show whether moths or any other animal can hear and respond to the sounds the plants make, so that idea is still based on guesses for now, she says."此外，还没有实验证明飞蛾或其他动物是否能听到植物发出的声音并作出反应，所以目前这个想法仍是基于猜测，她说。可知，Anne Visscher 认为目前的研究只是基于猜测，没有完全被证实。可推断她对此实验的研究结果是谨慎的。故选A。
33．考查细节理解。根据第五段中的"Enabling farmers to listen for water-stressed plants could ‘open a new direction in the field of precision agriculture', the researchers suggest."这组科学家认为，让农民能够听到缺水植物的声音可能"在精准农业领域开辟一个新的方向"。可知，利用这项新的研究发现，农民可以更快的确定植物状况。故选D。
34．考查主旨大意。纵观全文可知，本文介绍了植物可以看到，听到，闻到气味，紧接着详细介绍了新的研究发现，植物可以听到声音，作者以番茄和烟草为例，介绍了植物在缺水或茎被切断的情况下发出的叫声频率，植物在受到压力时会发出声音。"植物在压力面前会尖叫"适合做文章的标题。故选C。
五、任务型阅读
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Gardening can be a rewarding hobby not only because you can watch your plants grow but because you can take pride in your success. People use more ways to save money these days. 35． If you have decided to own a garden then a few beginner gardening tips will help you to get started.
Plant Plants That Grow Easily
36． If you are getting ready to start your first garden then it may be a better idea to choose plants that are strong and easy to grow.
Use Good Soil
As a beginner, if you do not know much about the type of soil that you need, it might be a better idea to buy your soil from a gardening store. You have to consider the type of soil that you have in your yard and what plants you are growing in it as well. 37．
Do Not Over Water
Finally, one of the biggest mistakes that beginners make is over watering their gardens. 38． So you need to learn how much water each plant needs in your garden. It is also beneficial to water your plants early in the morning to get the best results.
39． You can also save money, be healthier, and help protect the environment at the same time.
A. One mistake that many beginners make is trying to grow plants that are hard to grow.
B. With these helpful beginner tips you can grow your own fruit and vegetables.
C. And growing your own fruit and vegetables is one of them.
D. Different plants need different amounts of water.
E. Gardening is many people's favorite hobby.
F. For this reason buying soil from a store may just be easier.
G. There are many mistakes that you may make when beginning gardening.
【答案】35．C；36．A；37．F；38．D；39．B
【解析】【分析】本文是一篇说明文，就园艺工作提出了几条建议。
【点评】考查七选五，本文是一篇教育类阅读， 要求在理解细节信息的基础上，着重考查对上下文的理解和推理判断能力。
35．根据空前“People use more ways to save money these days.”现在人们用更多的方法来省钱；以及空后“If you have decided to own a garden then a few beginner gardening tips will help you to get started.”如果你决定拥有一个花园，然后一些初学园艺的小窍门会帮助你开始。可知C. And growing your own fruit and vegetables is one of them.“自己种水果和蔬菜就是其中之一。”符合语境，故选C。
36．根据本段小标题“Plant Plants That Grow Easily”种植容易生长的植物，A. One mistake that many beginners make is trying to grow plants that are hard to grow.“许多初学者犯的一个错误，就是试图种植难以生长的植物”与之呼应，符合语境，故选A。
37．根据本段小标题“Use Good Soil”用好的土壤，可知F. For this reason buying soil from a store may just be easier.“因为这个原因，从商店里买土可能更容易。”与之呼应，符合语境，故选F。
38．根据本段小标题“Do Not Over Water“不要水过多”；以及空后“ So you need to learn how much water each plant needs in your garden.”所以你需要知道你的花园里，每棵植物需要多少水，可知D. Different plants need different amounts of water.“不同的植物需要不同量的水。”符合语境，故选D。
39．根据空后“You can also save money, be healthier, and help protect the environment at the same time.”你也可以省钱，更健康，同时帮助保护环境。B. With these helpful beginner tips you can grow your own fruit and vegetables.“有了这些有用的初学者建议，你就可以自己种水果和蔬菜了。”承接下文，符合语境，故选B。
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