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2021版浙江高考英语（人教版）一轮复习基础考点聚焦选修6学案2Unit2 课后达标检测
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(建议用时：35分钟)
Ⅰ.阅读理解
A
(2020·台州高三调研)Would a faster reading speed mean that we could learn more? Some people claim that it’s possible. In July last year, the sixtime speed reading champion Anne Jones sat down to read Harper Lee’s Go Set a Watchman. Just 25 minutes and 31 seconds later, she finished it—which equals a reading rate of around 3，700 words per minute. Jones runs training courses teaching speed reading, recall and concentration techniques and there are numerous speed reading apps that have appeared on the market over the past few years. But do they actually work?
First, we need to understand how we read. The human eye movement system is central to our reading ability. Read over that sentence again, and think about how your eyes scan across the words. They don’t move smoothly over them. Instead, they make a series of short, sharp jumps, skipping over a few characters before briefly landing on a word. The movements are known as saccades(扫视) and the pauses are called fixations.
Reading isn’t just about seeing the words—you need to comprehend them to build up a picture about what the text means. People are able to get through a block of text faster, but at the cost of accuracy and understanding. In other words, if you use a speed reading app, then you’ll probably get the gist(主旨) of a piece of text, but you’ll struggle to recall details about what you’ve just read.
So, does speed reading work? Well, yes and no. It really depends on what you’re reading and why you need to read it. As yet, there isn’t a trick that enables you to read a piece of text both quickly and accurately—there’s always going to be a tradeoff．
【解题导语】 本文是一篇说明文，主要介绍了快速阅读有一定作用。快速阅读虽然能把握文章的主旨，但是回忆细节还需要时间。
1．What’s the main idea of the passage?
A．Speed reading is bad at times.
B．Speed reading is a waste of time.
C．Speed reading can work sometimes.
D．Speed reading is always enjoyable.
C 解析：主旨大意题。根据第一段尾句“But do they actually work？”可知，文章第一段对快速阅读是否有用提出疑问；接着第二段介绍了阅读能力与眼睛运动系统有关，结合第三段尾句可知，使用速读应用程序你很可能把握主旨大意，但是文章细节不一定能掌握。据此可推知，快速阅读有时是有用的，故C项正确。
2．What does the underlined word “tradeoff” most probably mean in the last paragraph?
A．Balance. B．Change.
C．Business. D．Bargain.
A 解析：词义猜测题。根据最后一段尾句“As yet, there isn’t a trick that enables you to read a piece of text both quickly and accurately—there’s always going to be a tradeoff．”可知，到目前为止，还没有一种技巧可以让你既快速又准确地阅读一篇文章——这总要一种平衡。据此可推知，画线词意为“平衡”，故A项正确。
3．What might the writer continue to talk about?
A．The advantages of faster or slower reading.
B．The reasons why we do faster or slower reading.
C．The cases where to do faster and slower reading.
D．The methods for making use of faster or slower reading.
C 解析：推理判断题。根据最后一段尾句“As yet, there isn’t a trick that enables you to read a piece of text both quickly and accurately—there’s always going to be a tradeoff.”可知，到目前为止，还没有一种技巧可以让你既快速又准确地阅读一篇文章——这总要一种平衡。据此可推知，文章接下来可能阐述在什么情况下进行速读以及在什么情况下进行慢读，故C项正确。
【难句分析】 Jones runs training courses teaching speed reading, recall and concentration techniques and there are numerous speed reading apps that have appeared on the market over the past few years.
分析：该句由and连接的两个分句构成，其中第二个分句为主从复合句，句中“that have appeared on the market over the past few years”为that引导的定语从句，修饰先行词“speed reading apps”， that在从句中作主语。
译文：琼斯开设了速读、记忆力和集中注意力技巧的培训课程，且在过去几年中市场上出现了大量的速读应用程序。
B
(2020·杭州四校联考)Language learning apps are very popular now and offer opportunities to learn vocabulary and practice grammar. But there has been a discussion about just how effective such apps can be.
Among the most popular apps are Duolingo and Busuu. Previous research found positive results on the use of them. But these apps mainly concentrated on study with learners who had signed up for language courses and they only worked as afterschool support, so the results were not always reliable. A recent study of 4，095 Busuu users has been carried out aimed to find out if users can actually learn a language with an app.
Busuu provides learning materials for 12 different languages. It offers a special model where some content is available for free while some content is not. We find that its users are an even mix of men and women. More than half consider themselves to be at the beginner level as there is a decrease in users as their language levels go up. Most people use the app because of personal interest, or because they want to study or live abroad. Female users tend to use it less often but for longer periods of time than male users.
Getting any feedback on Busuu depends on whether your answer is correct or not. While it is helpful, this is not the sort of feedback language teachers prefer, as it does not explain why the answer is right or wrong. In spite of this, feedback in the app is very highly rated.
More than 92% of respondents state that the app has met their expectations and 86% rate the app very highly. In fact, more than 80% of the users surveyed strongly agree that using the app has helped them improve their knowledge of the language they are learning.
Besides, language learning apps also create an environment where mistakes are only known to the users, and this can address the performance anxiety that many learners suffer from when asked to speak a foreign language. So language teachers should encourage their students to use them to do the grammar work, leaving precious class time for more language communication.
【解题导语】 本文是一篇说明文，主要介绍了语言学习应用程序的功能和作用。
4．The results of the former research weren’t always dependable because ________．
A．it was only carried out before class
B．it didn’t consider users in class
C．it just focused on positive rusults
D．it used outofdate methods
B 解析：推理判断题。根据第二段第三句“But these apps mainly concentrated on study with learners who had signed up for language courses and they only worked as afterschool support, so the results were not always reliable.”，并结合该段其他内容可知，这些应用程序主要关注已报名参加语言课程的学习者的学习，并且它们仅作为课后学习的补充。由此可推知，它并没有将课堂上的使用者考虑在内，所以这些研究结果并不总是可靠的，故B项正确。
5．What does the underlined word “address” probably mean in the last paragraph?
A．Deal with. B．Write down.
C．Turn to. D．Speak of.
A 解析：词义猜测题。根据尾段第一句“Besides, language learning apps also create an environment where mistakes are only known to the users, and this can address the performance anxiety that many learners suffer from when asked to speak a foreign language.”可知，语言学习应用程序还创造了一个只有用户自己知道自己所犯错误的环境，这可以解决许多学习者在被要求说外语时所遭受的表现焦虑。由该句中的“the performance anxiety that many learners suffer from”，并结合语境可推知，画线词意为“解决”，故A项正确。
6．What is the main idea of the text?
A．Students won’t suffer anxiety in learning languages by using Busuu.
B．Language learning apps are effective and satisfactory to language learners.
C．Language learning apps are very popular with most language teachers.
D．Students should be required to use apps for homework after class.
B 解析：主旨大意题。通读全文可知，文章第一段点明了全文的主题，又结合文章的具体内容可知，本文主要介绍了语言学习应用程序的功能和作用，即对语言学习积极有效、令语言学习者满意，故B项正确。
【难句分析】 But these apps mainly concentrated on study with learners who had signed up for language courses and they only worked as afterschool support, so the results were not always reliable.
分析：该句是由so连接的表因果关系的并列句；其中“who had signed up for language courses”为who引导的定语从句，修饰先行词learners。
译文：但这些应用程序主要关注已报名参加语言课程的学习者的学习，并且它们仅作为课后学习的补充，所以这些研究结果并不总是可靠的。
Ⅱ.七选五
(2020·舟山中学考试)We know that choosing a college major can be very hard. But have no fear! Your choice of major will not lock you into a specific career for the rest of your life. Here’s what you need to know about college majors before you choose.
What is a major?
1．________ Beyond general college requirements, you’ll also take a group of courses in a subject of your choosing such as Chemistry, Literature, or Political Science.
How important is my major?
The major you choose will neither predict nor guarantee your future. Many graduates find jobs that have nothing to do with what they studied in college. If you intend to earn a professional degree after college, you will probably need certain courses.2.________
When do I choose a major?
This varies widely across schools and programs. 3.________ Others require that you decide upon a major by the time that you set foot inside your first class.
4．________
Definitely. One of the most exciting aspects of college life is that it introduces you to new subjects and arouses new passions. However, keep this in mind: every major has necessary coursework. If you change your major late in the game, it may take more than the traditional four years to earn a degree.
What are minors and double majors?
If one field of study doesn’t satisfy your intellectual appetite, consider a minor. A minor is similar to a major in that it’s an area of academic concentration. 5.________ A double major provides you with an understanding of two academic fields. It allows you to become familiar with two sets of values and views while it also requires you to fulfill two sets of requirements.
A．Can I change my mind?
B．Is my major timeconsuming?
C．It’s your specialized area of study in college.
D．Most students find one major is more than enough.
E．Some schools may give you one year or more to decide.
F．Many future science doctors major in nonscience related fields.
G．The only difference is that it doesn’t require as many classes.
【解题导语】 我们知道选择一个大学的专业是很难的，但不要害怕，你选择的专业不会让你只能从事特定的职业。本文介绍了大学选专业前应了解的几个方面，包括专业是什么，专业的重要程度，选专业的时间，是否能换专业以及什么是辅修课程和双学位等。
1．C 解析：根据该段的标题可知，空处应是对标题的问题作出了回答，故C项“它是大学里你学习的专业领域”符合语境。
2．F 解析：该段主要谈到专业并非那么重要。空前一句谈到“如果你打算在大学毕业后获得专业学位，你可能需要某些课程”，由此可推知，F项承接上文，再次说明专业并非那么重要。故F项符合语境。
3．E 解析：根据空后的“Others require that you decide upon a major by the time that you set foot inside your first class.”可知，其他的学校要求你第一次走进教室就决定你选择的专业，空处应是说明一些学校的做法，故E项“一些学校可能给你一年或更多的时间决定”符合语境。
4．A 解析：此处考查段落小标题。由该段中的“Definitely.”及“If you change your major late in the game, it may take more than the traditional four years to earn a degree.”可知，该段应是谈到可不可以改变主意(换专业)，故选A项。
5．G 解析：空前一句谈到辅修与主修的相似之处，空处应是讲两者的不同之处，故G项“唯一不同的是，辅修不需要那么多的课程”符合语境。
Ⅲ.语法填空
A Relay Event Brings Diverse Cultures Together
When Herman Kambugu received the good news he was expecting, he did something unusual. He ran for 32km in 1.____________(celebrate). Kambugu, who works for the Standard Chartered Bank(StanChart) in Uganda, was among the over 86，000 employees around the world who had attempted 2.____________(take) part in a relay across Belt and Road countries as a way to see how the Belt and Road Initiative is developing. Kambugu and seven more of his coworkers in StanChart’s offices around the world visited 44 destinations along the Belt and Road routes, 3.____________ helped them understand the initiative better.
Kambugu 4.____________(witness) how the Belt and Road Initiative is changing life for 5.____________ better in East Africa so far.“The MombasaNairobi Railway has not only shortened transportation time, but also created over 20，000 jobs for local people in Kenya，” he said. Serena Leung from the Hong Kong office said 6.____________ she had seen during her journey impressed 7.____________(she). In some places, people greeted them in Mandarin. They spoke it 8.____________(fluently) than some people from Hong Kong, she said jokingly.
“By running together, we run further，” added Therese Neo, a customer manager from the Singapore office. As she saw it, the countries 9.____________ (participate) in the Belt and Road Initiative were like the 10.____________(runner). When they join forces, they have a better shared future.
【解题导语】 为领略“一带一路”倡议的发展，银行职员Herman Kambugu和他的同事参加了穿越“一带一路”沿途国家的接力赛。通过这项活动，他们深刻体会到“一带一路”倡议让参与国的人民的生活更美好。
1．celebration 解析：考查词性转换。介词后常接名词或动名词，根据空前的介词in可知，空处应填名词celebration。句意：他跑了32公里以示祝贺。
2．to take 解析：考查固定用法。attempt to do sth.为固定用法，意为“尝试做某事”。
3．which 解析：考查定语从句。分析该句结构可知，空处引导非限制性定语从句，引导词在从句中作主语，先行词为空前的整个主句，故用which引导该定语从句。
4．has witnessed 解析：考查动词的时态和主谓一致。根据该句中的时间状语“so far”可知，该句应用现在完成时；由该句主语Kambugu可知，主语为第三人称单数，故用has witnessed。
5．the 解析：考查冠词。此处表示使生活变得更好，for the better“有所好转”为固定搭配，故用定冠词the。
6．what 解析：考查主语从句的引导词。分析该句结构可知，空处引导主语从句，作从句中had seen的宾语，表示“……的事物”，故用what引导该主语从句，表示“她所看到的”。
7．her 解析：考查代词。空处作及物动词impressed的宾语，故用宾格代词her。
8．more fluently 解析：考查副词的比较级。根据该句中的“than”可知，空处用其比较级，修饰动词spoke，故可知答案。
9．participating 解析：考查现在分词。分析该句结构可知，the countries和动词participate之间为逻辑上的主谓关系，故用其现在分词形式。
10．runners 解析：考查名词的单复数。runner为可数名词，又因主语the countries为复数，故此处表示多个奔跑者，应用复数形式。
(建议用时：35分钟)
Ⅰ.阅读理解
A
(2020·台州高三调研)Would a faster reading speed mean that we could learn more? Some people claim that it’s possible. In July last year, the sixtime speed reading champion Anne Jones sat down to read Harper Lee’s Go Set a Watchman. Just 25 minutes and 31 seconds later, she finished it—which equals a reading rate of around 3，700 words per minute. Jones runs training courses teaching speed reading, recall and concentration techniques and there are numerous speed reading apps that have appeared on the market over the past few years. But do they actually work?
First, we need to understand how we read. The human eye movement system is central to our reading ability. Read over that sentence again, and think about how your eyes scan across the words. They don’t move smoothly over them. Instead, they make a series of short, sharp jumps, skipping over a few characters before briefly landing on a word. The movements are known as saccades(扫视) and the pauses are called fixations.
Reading isn’t just about seeing the words—you need to comprehend them to build up a picture about what the text means. People are able to get through a block of text faster, but at the cost of accuracy and understanding. In other words, if you use a speed reading app, then you’ll probably get the gist(主旨) of a piece of text, but you’ll struggle to recall details about what you’ve just read.
So, does speed reading work? Well, yes and no. It really depends on what you’re reading and why you need to read it. As yet, there isn’t a trick that enables you to read a piece of text both quickly and accurately—there’s always going to be a tradeoff．
【解题导语】 本文是一篇说明文，主要介绍了快速阅读有一定作用。快速阅读虽然能把握文章的主旨，但是回忆细节还需要时间。
1．What’s the main idea of the passage?
A．Speed reading is bad at times.
B．Speed reading is a waste of time.
C．Speed reading can work sometimes.
D．Speed reading is always enjoyable.
C 解析：主旨大意题。根据第一段尾句“But do they actually work？”可知，文章第一段对快速阅读是否有用提出疑问；接着第二段介绍了阅读能力与眼睛运动系统有关，结合第三段尾句可知，使用速读应用程序你很可能把握主旨大意，但是文章细节不一定能掌握。据此可推知，快速阅读有时是有用的，故C项正确。
2．What does the underlined word “tradeoff” most probably mean in the last paragraph?
A．Balance. B．Change.
C．Business. D．Bargain.
A 解析：词义猜测题。根据最后一段尾句“As yet, there isn’t a trick that enables you to read a piece of text both quickly and accurately—there’s always going to be a tradeoff．”可知，到目前为止，还没有一种技巧可以让你既快速又准确地阅读一篇文章——这总要一种平衡。据此可推知，画线词意为“平衡”，故A项正确。
3．What might the writer continue to talk about?
A．The advantages of faster or slower reading.
B．The reasons why we do faster or slower reading.
C．The cases where to do faster and slower reading.
D．The methods for making use of faster or slower reading.
C 解析：推理判断题。根据最后一段尾句“As yet, there isn’t a trick that enables you to read a piece of text both quickly and accurately—there’s always going to be a tradeoff.”可知，到目前为止，还没有一种技巧可以让你既快速又准确地阅读一篇文章——这总要一种平衡。据此可推知，文章接下来可能阐述在什么情况下进行速读以及在什么情况下进行慢读，故C项正确。
【难句分析】 Jones runs training courses teaching speed reading, recall and concentration techniques and there are numerous speed reading apps that have appeared on the market over the past few years.
分析：该句由and连接的两个分句构成，其中第二个分句为主从复合句，句中“that have appeared on the market over the past few years”为that引导的定语从句，修饰先行词“speed reading apps”， that在从句中作主语。
译文：琼斯开设了速读、记忆力和集中注意力技巧的培训课程，且在过去几年中市场上出现了大量的速读应用程序。
B
(2020·杭州四校联考)Language learning apps are very popular now and offer opportunities to learn vocabulary and practice grammar. But there has been a discussion about just how effective such apps can be.
Among the most popular apps are Duolingo and Busuu. Previous research found positive results on the use of them. But these apps mainly concentrated on study with learners who had signed up for language courses and they only worked as afterschool support, so the results were not always reliable. A recent study of 4，095 Busuu users has been carried out aimed to find out if users can actually learn a language with an app.
Busuu provides learning materials for 12 different languages. It offers a special model where some content is available for free while some content is not. We find that its users are an even mix of men and women. More than half consider themselves to be at the beginner level as there is a decrease in users as their language levels go up. Most people use the app because of personal interest, or because they want to study or live abroad. Female users tend to use it less often but for longer periods of time than male users.
Getting any feedback on Busuu depends on whether your answer is correct or not. While it is helpful, this is not the sort of feedback language teachers prefer, as it does not explain why the answer is right or wrong. In spite of this, feedback in the app is very highly rated.
More than 92% of respondents state that the app has met their expectations and 86% rate the app very highly. In fact, more than 80% of the users surveyed strongly agree that using the app has helped them improve their knowledge of the language they are learning.
Besides, language learning apps also create an environment where mistakes are only known to the users, and this can address the performance anxiety that many learners suffer from when asked to speak a foreign language. So language teachers should encourage their students to use them to do the grammar work, leaving precious class time for more language communication.
【解题导语】 本文是一篇说明文，主要介绍了语言学习应用程序的功能和作用。
4．The results of the former research weren’t always dependable because ________．
A．it was only carried out before class
B．it didn’t consider users in class
C．it just focused on positive rusults
D．it used outofdate methods
B 解析：推理判断题。根据第二段第三句“But these apps mainly concentrated on study with learners who had signed up for language courses and they only worked as afterschool support, so the results were not always reliable.”，并结合该段其他内容可知，这些应用程序主要关注已报名参加语言课程的学习者的学习，并且它们仅作为课后学习的补充。由此可推知，它并没有将课堂上的使用者考虑在内，所以这些研究结果并不总是可靠的，故B项正确。
5．What does the underlined word “address” probably mean in the last paragraph?
A．Deal with. B．Write down.
C．Turn to. D．Speak of.
A 解析：词义猜测题。根据尾段第一句“Besides, language learning apps also create an environment where mistakes are only known to the users, and this can address the performance anxiety that many learners suffer from when asked to speak a foreign language.”可知，语言学习应用程序还创造了一个只有用户自己知道自己所犯错误的环境，这可以解决许多学习者在被要求说外语时所遭受的表现焦虑。由该句中的“the performance anxiety that many learners suffer from”，并结合语境可推知，画线词意为“解决”，故A项正确。
6．What is the main idea of the text?
A．Students won’t suffer anxiety in learning languages by using Busuu.
B．Language learning apps are effective and satisfactory to language learners.
C．Language learning apps are very popular with most language teachers.
D．Students should be required to use apps for homework after class.
B 解析：主旨大意题。通读全文可知，文章第一段点明了全文的主题，又结合文章的具体内容可知，本文主要介绍了语言学习应用程序的功能和作用，即对语言学习积极有效、令语言学习者满意，故B项正确。
【难句分析】 But these apps mainly concentrated on study with learners who had signed up for language courses and they only worked as afterschool support, so the results were not always reliable.
分析：该句是由so连接的表因果关系的并列句；其中“who had signed up for language courses”为who引导的定语从句，修饰先行词learners。
译文：但这些应用程序主要关注已报名参加语言课程的学习者的学习，并且它们仅作为课后学习的补充，所以这些研究结果并不总是可靠的。
Ⅱ.七选五
(2020·舟山中学考试)We know that choosing a college major can be very hard. But have no fear! Your choice of major will not lock you into a specific career for the rest of your life. Here’s what you need to know about college majors before you choose.
What is a major?
1．________ Beyond general college requirements, you’ll also take a group of courses in a subject of your choosing such as Chemistry, Literature, or Political Science.
How important is my major?
The major you choose will neither predict nor guarantee your future. Many graduates find jobs that have nothing to do with what they studied in college. If you intend to earn a professional degree after college, you will probably need certain courses.2.________
When do I choose a major?
This varies widely across schools and programs. 3.________ Others require that you decide upon a major by the time that you set foot inside your first class.
4．________
Definitely. One of the most exciting aspects of college life is that it introduces you to new subjects and arouses new passions. However, keep this in mind: every major has necessary coursework. If you change your major late in the game, it may take more than the traditional four years to earn a degree.
What are minors and double majors?
If one field of study doesn’t satisfy your intellectual appetite, consider a minor. A minor is similar to a major in that it’s an area of academic concentration. 5.________ A double major provides you with an understanding of two academic fields. It allows you to become familiar with two sets of values and views while it also requires you to fulfill two sets of requirements.
A．Can I change my mind?
B．Is my major timeconsuming?
C．It’s your specialized area of study in college.
D．Most students find one major is more than enough.
E．Some schools may give you one year or more to decide.
F．Many future science doctors major in nonscience related fields.
G．The only difference is that it doesn’t require as many classes.
【解题导语】 我们知道选择一个大学的专业是很难的，但不要害怕，你选择的专业不会让你只能从事特定的职业。本文介绍了大学选专业前应了解的几个方面，包括专业是什么，专业的重要程度，选专业的时间，是否能换专业以及什么是辅修课程和双学位等。
1．C 解析：根据该段的标题可知，空处应是对标题的问题作出了回答，故C项“它是大学里你学习的专业领域”符合语境。
2．F 解析：该段主要谈到专业并非那么重要。空前一句谈到“如果你打算在大学毕业后获得专业学位，你可能需要某些课程”，由此可推知，F项承接上文，再次说明专业并非那么重要。故F项符合语境。
3．E 解析：根据空后的“Others require that you decide upon a major by the time that you set foot inside your first class.”可知，其他的学校要求你第一次走进教室就决定你选择的专业，空处应是说明一些学校的做法，故E项“一些学校可能给你一年或更多的时间决定”符合语境。
4．A 解析：此处考查段落小标题。由该段中的“Definitely.”及“If you change your major late in the game, it may take more than the traditional four years to earn a degree.”可知，该段应是谈到可不可以改变主意(换专业)，故选A项。
5．G 解析：空前一句谈到辅修与主修的相似之处，空处应是讲两者的不同之处，故G项“唯一不同的是，辅修不需要那么多的课程”符合语境。
Ⅲ.语法填空
A Relay Event Brings Diverse Cultures Together
When Herman Kambugu received the good news he was expecting, he did something unusual. He ran for 32km in 1.____________(celebrate). Kambugu, who works for the Standard Chartered Bank(StanChart) in Uganda, was among the over 86，000 employees around the world who had attempted 2.____________(take) part in a relay across Belt and Road countries as a way to see how the Belt and Road Initiative is developing. Kambugu and seven more of his coworkers in StanChart’s offices around the world visited 44 destinations along the Belt and Road routes, 3.____________ helped them understand the initiative better.
Kambugu 4.____________(witness) how the Belt and Road Initiative is changing life for 5.____________ better in East Africa so far.“The MombasaNairobi Railway has not only shortened transportation time, but also created over 20，000 jobs for local people in Kenya，” he said. Serena Leung from the Hong Kong office said 6.____________ she had seen during her journey impressed 7.____________(she). In some places, people greeted them in Mandarin. They spoke it 8.____________(fluently) than some people from Hong Kong, she said jokingly.
“By running together, we run further，” added Therese Neo, a customer manager from the Singapore office. As she saw it, the countries 9.____________ (participate) in the Belt and Road Initiative were like the 10.____________(runner). When they join forces, they have a better shared future.
【解题导语】 为领略“一带一路”倡议的发展，银行职员Herman Kambugu和他的同事参加了穿越“一带一路”沿途国家的接力赛。通过这项活动，他们深刻体会到“一带一路”倡议让参与国的人民的生活更美好。
1．celebration 解析：考查词性转换。介词后常接名词或动名词，根据空前的介词in可知，空处应填名词celebration。句意：他跑了32公里以示祝贺。
2．to take 解析：考查固定用法。attempt to do sth.为固定用法，意为“尝试做某事”。
3．which 解析：考查定语从句。分析该句结构可知，空处引导非限制性定语从句，引导词在从句中作主语，先行词为空前的整个主句，故用which引导该定语从句。
4．has witnessed 解析：考查动词的时态和主谓一致。根据该句中的时间状语“so far”可知，该句应用现在完成时；由该句主语Kambugu可知，主语为第三人称单数，故用has witnessed。
5．the 解析：考查冠词。此处表示使生活变得更好，for the better“有所好转”为固定搭配，故用定冠词the。
6．what 解析：考查主语从句的引导词。分析该句结构可知，空处引导主语从句，作从句中had seen的宾语，表示“……的事物”，故用what引导该主语从句，表示“她所看到的”。
7．her 解析：考查代词。空处作及物动词impressed的宾语，故用宾格代词her。
8．more fluently 解析：考查副词的比较级。根据该句中的“than”可知，空处用其比较级，修饰动词spoke，故可知答案。
9．participating 解析：考查现在分词。分析该句结构可知，the countries和动词participate之间为逻辑上的主谓关系，故用其现在分词形式。
10．runners 解析：考查名词的单复数。runner为可数名词，又因主语the countries为复数，故此处表示多个奔跑者，应用复数形式。
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