内容正文:
把握单元素养目标
主题意识
本单元的主题是“人生选择”。通过对不同生活方式的了解,能够从跨文化视角观察和认识世界,对事物做出正确的判断;学会分析不同生活方式的利弊,比较评价不同的生活方式,并给出合理的建议;能够在深入理解文本的同时联系自身实际,分享自己现在的生活方式,养成良好的生活习惯,培养积极的生活态度和乐于学习、善于学习的品质。
语法项目
能够理解并正确运用动词不定式以及-ed和-ing形式的形容词。
语言输入
听
听懂与新的生活方式以及学习和生活中的压力有关的话题。
读
能够理解同龄人的高中学校生活方式,以及与人生选择有关的文章内容。
看
观看关于阿米莉亚·埃尔哈特的电影,表达你对于她人生选择的看法。
语言
输出
写
能够用英文写一封关于你的新学校生活的私人电子邮件,分享自己的生活状态和所思所感。
说
使用新学习的语言知识描述你的新学校生活,表达生活中的喜好。
Section 1 Topic Talk
课时目标
1.获取并梳理听力文本中的主要信息。
2.基于所学,清晰有条理地介绍自己的学校生活。
3.比较不同职业的人们生活方式的异同,学习他们积极的生活态度。
教材听力“再利用”
一、由听力厚积语料库
Ⅰ.词汇联想
Discuss it with your partner and write out some words which can describe your new school life.
boring,_busy,_challenging,_exciting,_free,_interesting,_relaxing,_stressful,__peaceful,_lazy,_etc.
Ⅱ.词块互译
1.成排坐 sit_in_rows
2.成群结队地坐着 sit_around_in_groups
3.给某人很大压力 put a lot of pressure on sb.
4.与……不同 differ_from_...
5.多种多样的 a_variety_of
6.总而言之,总的来说 all_in_all
7.一直 all_the_time
8.keep sb.busy 使某人繁忙
9.get injured 受伤
10.on the plus side 在有利的方面
11.cheer sb.on 为某人加油
12.recover from illnesses and injuries
从疾病和伤痛中康复
13.develop confidence 培养自信
14.make correct decisions 做出正确的决定
二、教材录音材料的发掘训练
听听力文本1.1,回答第1至4题。
1.Why do I feel excited?
A.Because we now have fixed classrooms.
B.Because we held group discussions before.
C.Because the school is different from my previous one.
答案:C
2.What is my goal for the next three years?
A.Being a top student.
B.Getting teachers' praise.
C.Living a meaningful school life.
答案:C
3.(完成句子)Previously, we had fixed classrooms where_students_all_sat_in_rows.
4.(完成句子)What_is_also_very_different_is_that students in the same class can have different class schedules.
听听力文本1.2,回答第5至8题。
5.How long does it usually take Bob to reach the hospital?
A.30 minutes. B.15 minutes. C.45 minutes.
答案:A
6.What is the worst for Fred?
A.Having a long training every year.
B.Getting injured while training or playing.
C.Traveling to many countries for matches.
答案:B
7.What does Ms Johnson do?
A.A doctor. B.A football player.
C.A business manager.
答案:C
8.(完成句子)Although_being_a_doctor_keeps_me_very_busy,_with little time for leisure, I have no regrets as I love solving problems and I get to help people recover from illnesses and injuries.
三、主题表达训练
请使用听力材料中的表达方式写一个小片段,描述一下你的新学校生活。
I'm a new senior secondary school student.My new school life is ...I feel ...because ...What is also very different is that ....In the next three years, I hope I will ...All in all, I hope ...
参考范文:
I'm_a_new_senior_secondary_school_student._My_new_school_life_is_challenging_but_also_exciting._I_feel_a_bit_nervous_because_I_have_to_adapt_to_a_new_environment_and_academic_requirements._What_is_also_very_different_is_that_I_have_more_freedom_to_manage_my_time_and_studies._In_the_next_three_years,_I_hope_I_will_work_hard_and_do_well_in_my_studies._I_also_hope_to_participate_in_more_extra-curricular_activities_and_make_new_friends._All_in_all,_I_hope_I_will_enjoy_my_time_at_school_and_develop_into_a_well-rounded_person.
多积主题表达
1.be interested in 对……感兴趣
2.go to the library 去图书馆
3.have an exam 参加考试
4.help me relax 帮助我放松
5.make a big decision 做出重大决定
6.get better jobs 找到更好的工作
7.a part-time work 兼职工作
8.accept this position 接受这个职位
9.an awesome idea 一个很棒的想法
10.I prefer the latter. 我更喜欢后者。
11.Well, that's the plan. 嗯,这就是计划。
12.Well, I think it's a good decision.
好吧,我认为这是一个不错的决定。
13.What time do you prefer, sir? Morning or afternoon?
先生,你更喜欢什么时间?上午还是下午?
14.How does he like the decision?
他觉得这个决定怎么样?
1.I'm a new senior secondary school student.
我是一名高中新生。
★senior adj.较高的,高级的
|用|法|感|知|
•(“学习生活”主题佳句)As far as I am concerned, there are several important aspects that we need to focus on throughout the last year of our senior high school life.
在我看来,在我们高中生活的最后一年里,我们需要关注几个重要的方面。
•(“场景描写”佳句)Luckily, a kind senior showed up and guided me to my classroom before I was late.
幸运的是,一位善良的长者在我迟到之前出现了,带我去了教室。
归纳点拨
(1)be senior to 比……高(级);比……年长
(2)junior adj. 较低的,初级的;年幼的
be junior to 比……低(级);比……年幼
(3)senior high school 高中
名师点津
senior/junior无比较级,表示比某人年长/轻或地位高/低时,与介词to搭配使用,不能用than。
|应|用|融|会|
(完成句子)
①She is_senior_to me, because she entered the company earlier than me.
她比我资历深,因为她进入公司比我早。
②Though he is ten years junior_to me, we are best friends.
尽管他比我小十岁,但我们是最好的朋友。
2.differs in many ways from my previous one
在许多方面与我原来的(学校)不同
★differ vi.不同,不一样,有区别
|用|法|感|知|
•(“学校生活”主题佳句)The way we study now differs from that in the past, as we have more online resources which enrich our learning.
如今我们的学习方式与过去不同,因为我们有了更多丰富学习的线上资源。
•(“文化习俗”主题佳句)While traveling in Europe, he found many interesting events and experienced different cultures.
在欧洲旅行时,他发现了许多有趣的事件,体验了不同的文化。
•(“倡议”类佳句)Without doubt, our small acts on a daily basis are bound to make a big difference to our environment.
毫无疑问,我们每天的小行为必然会对我们的环境产生巨大的影响。
归纳点拨
(1)differ from 与……不同
differ in 在……方面不同
(2)different adj. 不同的,相异的
be different from 与……不同
(3)difference n. 差别,差异
make a/no difference 有/无影响
语境串记
The car differs from that one and many can't tell the difference between them.As far as I know, their types are different.
这辆车和那辆不同,许多人分不清两者的区别。据我所知,它们的类型不同。
|应|用|融|会|
(单句语法填空/同义句转换)
①Whether he will come or not makes no difference (different) to me.
②The two companies differ in the way they function.
③His attitude towards science differs from mine.
→His attitude towards science is_different_from mine.
3.develop confidence in speaking English
培养说英语的信心
★confidence n.自信,信心;信赖
|用|法|感|知|
•(“建议”类佳句)Secondly, it is a great idea to join a club you are interested in, which will surely help you make new friends and build up your confidence.
其次,加入一个你感兴趣的俱乐部是个好主意,这肯定会帮助你结交新朋友,建立你的信心。
•(“细节描写”佳句)She is confident of winning the speech contest because she has practiced countless times in front of the mirror.
她对赢得演讲比赛充满信心,因为她已经在镜子前练习了无数次。
[归纳点拨]
(1)have/lose confidence in 对……有/失去信心
with great confidence 很有信心地
build up one's confidence 树立某人的信心
(2)confident adj. 自信的,有把握的
对……有把握,对……充满自信
|应|用|融|会|
(1)完成句子
①The actress walked onto the stage with_great_confidence.
这个女演员满怀信心地走上舞台。
②By reading Youth, I received some great encouragement, which built_up_my_confidence to be a writer. 通过阅读Youth,我受到了很大的鼓励,这使我建立了成为一名作家的信心。
③This time they are_confident_of/about a happy ending.
这一次,他们确信会有一个愉快的结局。
④I am_quite_confident_that I will pass the examination.
我很自信我将通过这次考试。
(2)替换加黑词汇
⑤I believe that our team will win.am_confident
4.All in all, I hope to have a happier, more fruitful and satisfying life in my new school.
总而言之,我希望在我的新学校有一个更快乐、更富有成效和更满意的生活。
★all in all总而言之,总的来说
|用|法|感|知|
•(“建议”类佳句)All in all, follow the above suggestions and you will have your wish to better adjust to high school life achieved.
总而言之,听从以上建议会使你更好地适应高中生活的愿望得以实现。
•(“环境保护”主题佳句)After all, nature doesn't require our patience but our action.
毕竟,大自然不需要我们的耐心,而是需要我们的行动。
[归纳点拨]
after all 毕竟,终究
at all (常用于否定句和条件从句中以加强
语气)根本;无论如何,一点儿也……
in all 总共
first of all 首先,第一
above all 首先,最重要的是
|应|用|融|会|
(完成句子)
①All_in_all,_we have learned a lot from nature, so we should respect and appreciate it.
总而言之,我们从大自然中学到了很多东西,所以我们应该尊重和感激大自然。
②Perhaps he would be able to earn his living after_all and not have to close his restaurant.
也许他仍然能够谋生,不必关闭自己的餐馆了。
③There were twelve of us in_all for dinner.
我们一共十二个人吃饭。
5.Although being a doctor keeps me very busy, with little time for leisure, I have no regrets as I love solving problems and I get to help people recover from illnesses and injuries.
虽然作为医生我每天非常忙碌,没有空闲时间,但是我不后悔,因为我喜欢解决问题,我能帮助人们从疾病和伤痛中康复。
★recover vi.恢复健康,康复
|用|法|感|知|
•(“心理描写”佳句)To my relief,after treatment my father recovered from the heart disease.
使我宽慰的是,父亲经过治疗后从心脏病中恢复过来了。
•A few days later, I went to the center to visit the small dog after its recovery.
几天后,我去中心看望了那只痊愈的小狗。
归纳点拨
(1)recover oneself 恢复正常,镇静下来
recover from从……恢复,痊愈;从……收回
(2)recovery n. 恢复,还原;痊愈
make a recovery (from) (从……)恢复,痊愈
语境串记
The doctor said her father would recover soon and we wish her father would make a full recovery from the operation.
医生说她父亲很快就会康复,我们希望她父亲能从手术中完全康复。
|应|用|融|会|
(单句语法填空/完成句子)
①He recovered himself (he) after a slip on the ice.
②Fortunately, he has recovered from his illness.
③Doctors expect him to make a full recovery (recover).
④He made_a_remarkable_recovery_from a bone injury.
他的骨伤恢复得相当好。
⑤It'll take her time to recover_from_a_bad_cold.
她从重感冒中康复需要时间。
6.Unfortunately, the job can also be stressful, especially when challenges arise ...
不幸的是,这份工作也会很有压力,尤其是当挑战出现时……
★challenge n.挑战;具有挑战性的事物 vt.向……挑战
|用|法|感|知|
•(“兴趣爱好”主题佳句)I'm keen on basketball as it has been giving me strength to face the challenges in my life.
我对篮球很感兴趣,因为它一直给我力量去面对生活中的挑战。
•The mountain we were to challenge was one with slopes so steep that it would scare away a team of expert climbers. 我们要挑战的那座山的山坡非常陡峭,会吓跑一队专业的登山者。
归纳点拨
(1)face a/the challenge (of ...)面对(……的)挑战
take up/accept a challenge 接受挑战
(2)challenge sb.to sth. 向某人挑战某事
challenge sb.to do sth.向某人挑战做某事
(3)challenging adj. 具有挑战性的
名师点津
challenge本身已含有“向……;对……”的意义,因而表示“向某人挑战”时无需再加to。
|应|用|融|会|
(1)单句语法填空/同义句转换
①She finished the most challenging (challenge) task without a mistake.
②I want to challenge him to a game of volleyball.
→I want to challenge_him_to_play a game of volleyball.
(2)替换加黑词汇
③Mike found a difficult job as a computer programmer.challenging
★arise vi.(问题或困难)出现,发生;(由……)引起,产生;起床,起身
|用|法|感|知|
(写出下列句中arise的含义)
①Seeing his mother return home, the boy arose from his chair immediately.起身
②A number of high buildings have arisen where there was nothing a year ago but ruins.出现
③They arose at sunrise to get an early start to the park.起床
④It can't be too careful while driving.Accidents often arise from carelessness.(由……)引起
[易混辨析] arise/rise/raise
arise (arose,arisen)
不及物动词,表示“出现,发生”时,主语一般为matter、 difficulty、 problem、 quarrel、 trouble等抽象名词,不用于被动语态。常用于arise from/out of“由……引起,因……产生”。
rise(rose,risen)
不及物动词,表示“升起,上升;起立”时,说明主语自身移向较高的位置,既表示具体又表示抽象的动作,如日月的升起、人的站立;还有“(数量)增加”等含义。
raise(raised,raised)
及物动词,表示“举起,提起,提升”时,说明主语发出的动作是要作用于其他事物的;还有“养育;筹募;提高”等含义。
[轻巧识记]
|应|用|融|会|
(1)选词填空(rise/arise/raise)
⑤We can have another meeting if the need arises.
⑥In class, the students usually raise their hands first and then rise to answer the teacher's questions.
(2)同义句转换
⑦Mistakes arise from carelessness.
→Mistakes arise_out_of carelessness.
7.I can get injured while training or playing and that's the worst!
我可能在训练或比赛中受伤,那是最糟糕的!
while training or playing 为状语从句的省略形式
省略句的条件
状语从句中的主语与主句主语一致或是代词it
状语从句谓语中含有be动词
省略句的形式
省略从句中的主语或it和be动词
“两层级”学通用活句式
(1)通过“句式变换”弄明句式结构
①I'll buy a TV set if it is possible.
→I'll buy a TV set if_possible.
②Unless it is necessary, he will not repeat the action.
→Unless_necessary,_he will not repeat the action.
③While she was seeing the film, she fell asleep.
→While_seeing_the_film,_she fell asleep.
④Though they were tired of doing the work, they had to go on.
→Though_tired_of_doing_the_work,_they had to go on.
(2)通过“句式仿写”做到熟练运用
⑤吃早饭时,他浏览了报纸。
While_having_breakfast,_ he scanned the newspaper.
⑥尽管她没有示意,我还是确信她看见了我。
Though_given no sign, I was sure she had seen me.
⑦大多数人不喜欢别人一边听他们说话,一边忙着做其他事情。
Most of people don't like it if others are busy with something else while_listening_to_them.
⑧此外,12%的学生在提高英语技能时选择访问英语学习网站。
What's more, 12% of the students choose to visit English-learning websites when_improving_English_skills.
8.Unfortunately, the job can also be stressful, especially when challenges arise and I work so much that I feel I don't see my family enough.
不幸的是,这份工作也会很有压力,尤其是当挑战出现时。而且我工作太多,以至于我觉得和家人见面的时间太少了。
句中so much that ...为“so+adv./adj.+that ...”句型,that后面的句子为结果状语从句。
(1)so ...that ...句型的常见形式:
(2)such ...that ...句型的常见形式:
注意:
(1)当little表示“小”而不是“少”时,要用such修饰,而不用so。
(2)当so+adj./adv.及such ...放在句首时,主句要用部分倒装。
“两层级”学通用活句式
(1)通过“句式变换”弄明句式结构
①The weather is so fine that we all want to go to the park.
→It is such_fine_weather that we all want to go to the park.
②The weather was so cold that he had to stay at home.(用倒装句式升级句子)
→So_cold_was_the_weather that he had to stay at home.
(2)通过“句式仿写”做到熟练运用
③我太困了,以至于眼睛几乎睁不开了。
I was so_sleepy_that I could hardly keep my eyes open.
④(哲理性结尾)有时候,微笑会如此有力量以至于它给遭受灾难的人以巨大的勇气。
Sometimes a smile is so_powerful_that it gives people suffering from disasters great courage.
⑤他是一个如此博学的人,我们都很钦佩他。
He is such_a_learned_person_that we all admire him.
⑥我感到如此害怕,以至于嗓子发紧,膝盖发软。
I felt so_frightened_that my throat tightened and my knees felt weak.
名言1
熟背名言佳句
There is no substitute for hard work.
—Thomas A.Edison
任何事情都无法代替努力工作。
——托马斯·阿尔瓦·爱迪生
句意诠释解读
Without double diligence, there will be neither talent nor genius.If we want to succeed, we must work hard.
名言2
熟背名言佳句
Quietude promotes learning, frugality cultivates virtue. One can't show high ideals without simple living; one can't have lofty aspirations without a peaceful state of mind. —Zhuge Liang
静以修身,俭以养德。非淡泊无以明志,非宁静无以致远。
——诸葛亮
句意诠释解读
Moral integrity (道德操守) and talent are the qualities of a person.They rely on inner peace and concentration to cultivate their body and mind.They rely on frugal (俭朴的) style to cultivate their moral character.
名言3
熟背名言佳句
To strive, to seek, to find and not to yield. —Alfred Tennyson
去奋斗,去追求,去发现,永不屈服。 ——阿尔弗雷德·丁尼生
句意诠释解读
We have enough confidence and firm belief to fight and pursue.Maybe we will get hurt and fail, but we firmly believe that we have the courage to face them and defeat them.
名言4
熟背名言佳句
The best way to find yourself is to lose yourself in the service of others.
—Mohandas Karamchand Gandhi
寻找自我的最好方法就是让自己忙于服务他人之中。
——莫汉达斯·卡拉姆昌德·甘地
句意诠释解读
The best way for a man to find himself is to let him actively participate in society, care for others and devote himself to helping others.
[参与“交流探讨”]
使用名言(There is no substitute for hard work.)谈谈你新学期的打算。
In the new semester, I plan to study harder and improve my grades.As the saying goes, “There is no substitute for hard work.” I will focus on time management, complete all assignments on time, and actively participate in class discussions to achieve my goals.
[课时检测]
第Ⅰ卷 语言基础训练
(一)单词拼写 (5分)
(1)Between the two buildings stands our library which is my favorite place on campus (校园).
(2)I had such a busy schedule (日程表) that I had no time to write a travel journal.
(3)This small apartment (公寓) near the sea is expensive because of its good location.
(4)Jackson, an exchange student from the UK, is now studying at a senior (高级的) high school in China.
(5)Obviously, fishing forms an actual part of their leisure (休闲的) time.
(二)单句语法填空(16分)
(6)It is challenging (challenge) to deal with the things you're unfamiliar with.
(7)It is horribly stressful (stress) to do something that you're not good at.
(8)Contrary to our expectation (expect), the experiment turned out to be a complete success.
(9)His confidence (confident) built up gradually as he gained more and more experience in teaching.
(10)Unfortunately (fortunately), Chaplin's father died, leaving the family even worse off.
(11)These effective measures have helped to set the stage for economic recovery (recover) after the big earthquake.
(12)There are no significant differences (differ) between the education systems of the two countries.
(13)He needed surgery to cure a troublesome back injury (injure).
(三)选词填空(10分)
on the plus side, put pressure on, all in all, differ from, recover from
(14)Girls differ_from boys greatly in learning styles.
(15)He is now in hospital, recovering_from a heart attack.
(16)The new laws will put_pressure_on people to reduce food waste.
(17)All_in_all,_ every road leads to Rome, and I believe hard work pays off.
(18)On_the_plus_side,_their son was indeed born healthy and happy.
(四)完成句子(10分)
(19)I oppose going abroad for studies because_it_would_cost_a_large_sum_of_money.
我反对出国留学,因为那会花掉一大笔钱。
(20)What_I_wanted_to_find_out_first was how long the trip was going to take.
我首先想弄清楚的是这次旅行将要花多长时间。
(21)Having_a_healthy_lifestyle involves following a balanced diet.
拥有健康的生活方式包括遵循均衡的饮食。
(22)While_shopping in a clothing store yesterday, I came across this coat — it stood out for its design and pattern.
昨天在一家服装店购物时,我偶然发现了这件大衣——它的设计和样式很突出。
(23)It was such_a_boring_speech_that I fell asleep.
那是一个如此无聊的演讲,以至于我都睡着了。
第Ⅱ卷 语篇综合训练
(一)阅读理解
Sunday, 31 August
We've been in China for a month now.Dad, Mom, Harry and I moved to Tianjin on 25 August.We're not very far from Beijing.Two days ago, we celebrated my 15th birthday.It was great celebrating in China; the only thing that was strange was the cake — here they're not as sweet as the ones in New York.On Monday school starts — I wonder what it will be like.
Monday, 1 September
On my first day I was looking around for a locker to put my books in.However, here all the students keep all of their books at their desks because apparently we stay in the same classroom and we don't have to go from class to class.Teachers come to us!
Today we selected teacher assistants for each subject.Their duties are to collect homework, make announcements, and do other stuff for the teachers and the students.It is kind of a big deal here! Since I am from the US, I was asked to be the English assistant.I felt so proud but quite nervous at the same time because I wasn't sure what I had to do, but I accepted the job anyway.
语篇解读:本文是一篇日记。文章讲述了作者在天津开始新学校生活的经历。
1.How did the author feel before school started?
A.Worried. B.Calm.
C.Proud. D.Curious.
解析:选D 推理判断题。根据第一段中“On Monday school starts — I wonder what it will be like.”可知,作者在开学前对学校生活充满了好奇。
2.What does paragraph 1 of the second diary focus on?
A.Subjects at school.
B.Good learning environment.
C.School culture differences.
D.Impression of the new school.
解析:选C 段落大意题。根据第二篇日记的第一段内容可知,本段主要讲的是学校的文化差异。
3.What does the underlined word “It” in the last paragraph refer to?
A.Collecting homework.
B.Selecting teacher assistants.
C.Making announcements.
D.The job of being the English assistant.
解析:选B 代词指代题。根据画线词上文“Today we selected teacher assistants for each subject.”和画线词所在的句子“这在这里是一件大事”推断出,“It”指的是前面提到的“为每门课选课代表”这件事情。
(二)阅读七选五
It may be difficult to start high school. __4__ But never fear! Here are some suggestions for you to adapt to the change.
Do conduct research on the school through the school's website. Check out the school's grading policies, activities, and deadlines (for programs, curricula, etc.) before you move. If you've got that covered, you may choose to begin looking at school scholarships (奖学金) or competitions. __5__
Do visit the school before your first day of school. Most schools offer some kind of open house for newcomers to learn about the school's academic (学术的) and curricular offerings. __6__. Attending it can also help you find out a lot about the school's academic atmosphere (氛围) and environment.
Do start looking into clubs and extra-curricular activities right away.__7__ Once you've gone through the school's clubs and found a few that interest you, attend all the clubs you found yourself drawn to. The purpose of attending these first club meetings is simply to gain a sense of the extra-curricular environment at your school, and see what activities you may find yourself enjoying.
__8__. Many students make the mistake of setting out to achieve the highest grades at their new school. It is true that your grades are very important, but make sure that you spend a good deal of your time interacting with other students and ensuring that you'll have some healthy relationships and networks with others. A social network will offer you the support and fun you need during high school.
A.Don't forget to turn to teachers and other students.
B.Don't build up your academics at the cost of your social life.
C.Many students are afraid of the changes that high school can bring.
D.Remember that you're strengthening yourself for future life changes.
E.Find out a club list as early as possible to dig out the clubs that interest you.
F.This will make you prepared for applying to or signing up for those programs.
G.You can learn some basic information about the school through the open house.
语篇解读:本文是一篇说明文。文章就如何适应高中生活的变化给青少年提出了一些建议。
4.选C 根据上下文可知,学生们认为开始高中生活会很难,可能会感到害怕。由此可知,C项“许多学生害怕高中所带来的变化”符合语境,其中“afraid”与下文“fear”语义一致。
5.选F 根据上文可知,本段主要讲述入学前的准备,提前了解学校的情况。由此可知,F项“这将使你为申请或注册这些项目做好准备”承接上文,符合语境。
6.选G 根据下文可知,本段介绍了一个了解学校的途径。由此可知,G项“你可以通过开放日了解学校的一些基本信息”符合语境,其中“the open house”与下文“it”呼应。
7.选E 根据上文可知,本段建议学生早些了解俱乐部和课外活动;结合下文可知,首先要了解学校所有的俱乐部和课外活动,继而可以选出自己感兴趣的。由此可知,E项“尽早找到一份俱乐部名单,找出你感兴趣的俱乐部”承上启下,符合语境。
8.选B 根据下文尤其最后一句可知,作者在本段表示社交很重要,建议不要只为了学习成绩而忽视社交。由此可知,B项“不要以牺牲社交生活为代价来提高成绩”符合语境,适合作本段的主题句。
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