外研版(2019)必修 第三册Unit 1 Knowing me,knowing you 词汇练习单元语法,词汇练习(含解析)

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名称 外研版(2019)必修 第三册Unit 1 Knowing me,knowing you 词汇练习单元语法,词汇练习(含解析)
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Unit 1 Knowing me,knowing you
单元单词变形词汇语法知识点复习题
(知识点全覆盖)
基础词汇变形
1.loose adj.控制不严的→ adv.宽松地;松散地→ v.(使)放松,变松
2.breath n.呼出的气→ v.呼吸→ adj.气喘吁吁的
3.concern n.忧虑,担心→ adj.担心的;关切的→ prep.关于
4.annoyed adj.恼怒的,烦恼的→ vt.使恼怒;使生气→ adj.令人恼怒的
5.adjust v.适应,(使)习惯→ n.调整,调节;适应
6.accident n.意外事件;偶然因素→ adj.偶然的→ adv.偶然地
7.complexity n.复杂性,错综复杂→ adj.复杂的
8.forgive v.原谅,宽恕→ n.原谅;宽恕
9.criticise v.批评,指责→ n.批评
10.embarrassment n.尴尬,难为情→ vt.使尴尬
11.frank adj.坦率的,坦诚的,直言不讳的→ adv.坦率地;老实说
12.independent adj.独立的→ n.独立
重点单词
1.sink v. 2.fault n. 3.resolve v. 4.strategy n. 5.signal n. 6.duty n. 7.ensure v. 8.justify v. 9.tear n. 10.moreover adv. 11.apart adv. 12.fence n. 13.steam n. 14.lip n. 15.core adj. 16.boxing n. 17.tangled adj. 18.web n. 19.weave v. 20.deceive v.
一、语法填空
1. (inspire) by the famous NBA basketball player, he was determined to be a basketball player.
2.We need some development (strategy) to deal with unemployment.
3.The teacher asks her students to remain (seat) until all the preparations are made.
4.It’s a good idea to take a deep (breathe).
5.It is a/an (depend), non-profit organization whose mission is to provide medical care to those affected by disasters or a lack of access to health care.
6.He is (annoy ) to see people eating with their mouths open.
7.People with low EQs often have a harder time (adjust) in life and in their careers.
8.Seeing his wallet in his bag, he blushed with (embarrass).
9.The origins of modern Chinese languages arose (independent), although millet was also involved.
10.With his attention (focus) on his homework, he didn’t notice the teacher enter the classroom.
11.If you do something accident, you don’t mean to do it, perhaps it is something you do or did without thinking.
12.Once he has made a (resolve) to do it, you won’t get her to change his mind.
13.In addition to (ensure)your physical health, morning exercise helps to improve your mental health.
14.Could you call back (late), please
15.This project involves a lot of (complexity) technical problems.
16.Water is very (criticise) for those buried in the mine.
17.If you tell me advance, I will have your order ready for you.
18.It is (estimate) that the novel will be another of his best sellers.
19. (face) with what may be his most impossible mission yet, Hunt gets together his team and joins forces with Ilsa Faust, a female former British secret agent.
20. (regard) as one of the cultural treasures of China, Beijing Opera is more than just music and singing.
21.Drivers who give (signal) before turning or stopping help prevent accidents.
22.The teachers spare no effort (ensure) that all students would be given an equal chance.
23. (drive) by a sense of commitment, a great many joined the army to resist the Japanese invaders and defend the honour of the nation.
24.Nowadays, teens become easily (addict) to mobile games, which has gotten a lot of attention.
25. (frank) speaking, it is difficult for me to make out what he is saying.
26.The theory should be applied practice,or it could just be something useless
27.To finish his work advance, he worked late into the night ,only taking a rest for a coffee.
28.The committee consisting 10 members decided the date for the meeting.
29.To make that possible, we are need of a three-legged table.
30.Feel for others and you will get along well your friends.
31.Thanks to your (encourage), I made good progress in math.
32.He managed to come out, (wave) the document at the crowd.
33.In the battle against cheating ,this will surely encourage (honest) in the field of online education.
34.I expect you have gathered that I have suggested you go over to have a chat him.
35.Efforts should first be concentrated running a number of key colleges and universities well.
阅读下面的短文,在空白处填入1个适当的单词或括号内单词的正确形式。
My dad is an enthusiastic (狂热的) runner who 36 (great) influenced when I was young. So I was very sporty before the age of 14. However, when my family moved, my new school didn’t pay much attention 37 sports and had no after-school activities like football or running. Over the next few years. I stopped exercising, apart from during Physical Education lessons at school. I looked like I was 38 (health). However, I was not.
One day, I was late for a bus, tried to run after it and in under a minute was out of breath! This made me realize how unfit I was. 39 (help) myself get in shape again, I made a(n) 40 (decide) that I would take up a kind of sport.
A friend of 41 (I) suggested a swimming pool 42 is close to my house. Now, I’m a swimming lover! I find swimming in the pool very 43 (relax). I swim for an hour three times a week. I hope that I will soon start to feel 44 benefits of regular exercise, and 45 (become) fitter than before.
二、单词拼写
46. (打败) by his partner, the young man didn’t lose heart.
47.The government has adopted a (策略) to protect wildlife and environment.
48. (吸引) in the game, these children didn’t feel hungry at all.
49.“I thought the ends (证明……正确、有理) the means, but I was wrong.” cried Tom.
50. (专注于) in his games, he didn’t notice that someone was walking in.
51.He was (批评,指责) for being boring, strait-laced and narrow-minded.
52. (鼓舞) by his speech, we made great efforts.
53.Now more and more people show much (担心) for our environment.
54.My father was very disappointed but still (原谅) me for everything that I had done.
55.It was his (责任;过错) that we were late.
56.You are over 18 years old now so you should learn to be (独立的) of your parents.
57.You must (示意)which way you are going to turn.
58. (定位)in the west of the city, the big farm has expanded,covering more than 1000mu in the past two decades
59. (指定,指派) by the emperor, the ambassador Zhang Qian journeyed from Chang’an to Central Asia.
60.Deeply (充满) with sorrow, he couldn’t focus on the work anymore.
三、完成句子
61.他完全沉浸在阅读中,没有注意到我进了教室。
Completely reading, he didn’t notice me entering the classroom.
62.每个人都渴望成功,但是不是每个人都有勇气与决心去追求成功。(desire)
Everyone , but not everyone has the courage and determination to pursue it.
63.然而,这个故事以及实验的细节都不完全是真实的。(neither...nor...)
However, are entirely true.
64.现在,我们发现自己处于伟大的新技术时代。(find+宾语+宾语补足语)
And now, we .
65.为什么水那么脏,以至于使他们生病了?(so...that...)
And why is the water
66.我敢说她对不得不重写一遍感到恼火。(annoyed)
I bet she having to write it out again.
67.我保证我绝对不会辜负你的期望。(ensure)
I I can perfectly live up to your expectations.
68.我们觉得保护和美化我们的环境是我们的责任。(duty)
We feel protect and beautify our environment.
69.我们应该采取实际行动使自己适应新环境。(adjust)
We are supposed to take practical action to the new environment.
70.安妮被这个决定惊呆了,不知道做什么。(疑问词+动词不定式)
Anne was shocked by the decision and did not know .
参考答案:
1.sink v.使(船)沉没 2.fault n.责任,过错 3.resolve v.解决(问题、困难) 4.strategy n.计谋,策略;行动计划 5.signal n.信号;暗号 6.duty n.职责,义务;责任 7.ensure v.确保,保证 8.justify v.证明(别人认为不合理的事)有道理;为……辩护 9.tear n.眼泪,泪水 10.moreover adv.此外,而且 11.apart adv.分离,分开 12.fence n.栅栏,围栏,篱笆 13.steam n.蒸汽,水蒸气 14.lip n.(嘴)唇 15.core adj.核心的(课程、团体等) 16.boxing n.拳击(运动) 17.tangled adj.纠结的;复杂的 18.web n.蜘蛛网;错综复杂的事物 19.weave v.编,织 20.deceive v.欺骗 21.latter n.后者
1.loose adj.控制不严的→loosely adv.宽松地;松散地→loosen v.(使)放松,变松 2.breath n.呼出的气→breathe v.呼吸→breathless adj.气喘吁吁的 3.concern n.忧虑,担心→concerned adj.担心的;关切的→concerning prep.关于 4.annoyed adj.恼怒的,烦恼的→annoy vt.使恼怒;使生气→annoying adj.令人恼怒的 5.adjust v.适应,(使)习惯→adjustment n.调整,调节;适应 6.accident n.意外事件;偶然因素→accidental adj.偶然的→accidently adv.偶然地 7.complexity n.复杂性,错综复杂→complex adj.复杂的 8.forgive v.原谅,宽恕→forgiveness n.原谅;宽恕 9.criticise v.批评,指责→criticism n.批评 10.embarrassment n.尴尬,难为情→embarrass vt.使尴尬 11.frank adj.坦率的,坦诚的,直言不讳的→frankly adv.坦率地;老实说 12.independent adj.独立的→independence n.独立
1.Inspired
【详解】考查非谓语动词。句意:受著名的NBA篮球运动员的启发,他决心成为一名篮球运动员。句中已有谓语was determined to,空处应填非谓语动词,inspire和逻辑主语he之间为被动关系,应用过去分词形式作状语,位语句首首字母大写。故填Inspired。
2.strategies
【详解】考查名词。句意:我们需要一些发展策略来解决失业问题。strategy“策略”为可数名词,被some修饰,因此空处用其复数形式作宾语。故填strategies。
3.seated
【详解】
考查过去分词。句意:老师要求学生们坐在座位上,直到所有的准备工作都做好。分析句子可知,此处为谓语动词的填入,seat是动词,意为“使……坐下”与逻辑主语her students为被动关系,所以为过去分词形式,表示被动意义。故填seated。
4.breath
【详解】考查名词。句意:深呼吸是个好主意。take a deep breath“深呼吸”是固定短语,breath作take的宾语。故填breath。
5.independent
【详解】考查形容词。句意:它是一个独立的非营利性组织,其使命是向受灾害影响或无法获得医疗保健的人提供医疗保健。空处缺少形容词作定语修饰organization,结合句意可知,这是一个“独立的非营利性组织”,independent意思为:独立的,符合题意。故填independent。
6.annoyed
【详解】考查形容词。句意:他看到人们张着嘴吃饭很生气。句中用形容词作表语。主语是人,所以用-ed形式形容词。根据句意,故填annoyed。
7.adjusting
【详解】考查动名词。句意:情商低的人在生活和事业中往往很难适应。分析句子可知,此处为固定短语have a hard time (in) doing“做某事有困难”,所以此处为动名词形式。故填adjusting。
8.embarrassment
【详解】考查名词。句意:看到钱包在他的包里,他尴尬地脸红了。此处应用名词embarrassment作介词with的宾语,为不可数名词,故填embarrassment。
9.independently
【详解】考查名词。句意:现代汉语的起源以独立的姿态出现,尽管黍也参与其中。根据“arose”可知,空处需填副词作状语,副词independently表示“独立地”符合句意。故填independently。
10.focused
【详解】考查非谓语动词。句意:他把注意力集中在家庭作业上,没有注意到老师走进教室。分析句子结构和意思可知,动词focus和被修饰的名词attention之间是逻辑上的动宾关系,用过去分词形式,表示被动,作补语。故填focused。
11.by
【详解】考查介词短语。句意:如果你无意间做了一件事,你并不是有意去做,也许这是你不假思索地做的事情。分析句子结构和意思可知,这里考查介词短语by accident,意为“偶然、无意间”。故填by。
12.resolution
【详解】考查名词。句意:一旦他下定决心,你就不会让她改变主意。根据空前提示冠词,该空填可数名词单数,作动词has made的宾语,resolve的名词形式是resolution,表示“决议,决心”。故填resolution。
13.ensuring
【详解】考查非谓语动词。句意:除了保证你的身体健康,晨练还有助于改善你的心理健康。句中to为介词,后接动名词作宾语。故填ensuring。
14.later
【详解】考查副词。句意:请稍后再打来好吗?结合语意可知,句子表示更晚一点打电话过来,空处应用副词的比较级形式later,表示“更晚地”,作状语修饰动词call。故填later。
15.complex
【详解】考查形容词。句意:这个项目涉及很多复杂的技术问题。分析句子可知空处应为形容词修饰technical problems作定语,故填complex。
16.critical
【详解】考查形容词。句意:水对埋在矿井里的人来说非常重要。根据句意可知空处应为形容词做表语,表示“至关重要的”,故填critical。
17.in
【详解】考查介词。句意:如果你提前告诉我,我会为你准备好你的订单。根据句子含义可知,空处应是“提前”的含义,in advance提前,故填in。
18.estimated
【详解】考查非谓语动词和固定句型。句意:据估计这部小说将成为他的另一本畅销书。固定句式it is estimated that... 表示“据估计……”,it充当形式主语,that从句是真正的主语。is后用过去分词,表示被动。故填estimated。
19.Faced
【详解】考查非谓语动词。句意:面对可能是他最不可能完成的任务,亨特召集了他的团队,并与前英国女特工伊尔莎·浮士德联手。分析句子结构可知,本句已有谓语动词gets,所以face用非谓语形式,此处是固定搭配be faced with意为“面对”所以,此处去掉be,用过去分词作状语。故填Faced.
20.Regarded
【详解】考查非谓语动词。句意:京剧被认为是中国的文化瑰宝之一,它不仅仅是音乐和歌唱。regard...as...(认为……是……是…)为固定短语。主语Beijing Opera与动词regard为被动关系,故用过去分词regarded。Regarde as one of the cultural treasures of China做状语。故填Regarded。
21.signals
【详解】考查名词复数。句意:司机在转弯或停车前发出信号有助于防止事故发生。零冠词可数名词复数表泛指,此处可数名词signal用复数作宾语。故填signals。
22.to ensure
【详解】考查不定式。句意:老师们不遗余力地确保所有的学生都有平等的机会。短语:spare no effort to do sth.不遗余力做某事,故填 to ensure。
23.Driven
【详解】考查非谓语动词。句意:在使命感的驱使下,许多人参军抵抗日本侵略者,捍卫国家荣誉。分析句子可知,空处作状语,逻辑主语a great many“许多人”与drive“驱使”构成逻辑上的被动关系,用过去分词作状语。故填Driven。
24.addicted
【详解】考查过去分词。句意:现在,青少年很容易沉迷于手机游戏,这已经引起了很多关注。根据谓语动词“become”可知,空处应为非谓语动词;固定短语be/become/get addicted to...意为:沉迷于……,对……上瘾,符合句意,故应用过去分词形式,作表语。故填addicted。
25.Frankly
【详解】考查固定短语和副词。句意:坦率地说,我很难理解他在说什么。结合句意表达“坦率地说”用frankly speaking,副词frankly修饰动词speaking。位于句首,首字母大写。故填Frankly。
26.to
【详解】考查介词。句意:理论应该应用于实践,否则它可能只是一些无用的东西。apply... to应用于。根据句意,故填to。
27.in
【详解】考查介词。句意:为了提前完成工作,他工作到深夜,只休息了一会儿喝杯咖啡。in advance是固定短语,意为“提前”。故填in。
28.of
【详解】考查介词。句意:由10名成员组成的委员会决定了会议的日期。consist of固定搭配,意为“由……组成”,故填of。
29.in
【详解】考查介词。句意:要做到这一点,我们需要一个三条腿的桌子。in need of需要,固定搭配,故填in。
30.with
【详解】考查介词。句意:为别人着想,你会和你的朋友相处得很好。根据句意及所给句子可知,此处使用动词短语get along well with“与……相处的好”。故填with。
31.encouragement
【详解】考查名词。句意:由于你的鼓励,我在数学上取得了很大的进步。此处作宾语,应用名词encouragement,表示“鼓励”,为不可数名词。故填encouragement。
32.waving
【详解】考查非谓语动词。句意:他设法走了出来,向人群挥舞着文件。分析句子结构可知,已有谓语动词managed to,空处需填非谓语动词作状语,he和wave为逻辑主谓关系,需填现在分词形式。故填waving。
33.honesty
【详解】考查名词。句意:在打击作弊的斗争中,这肯定会鼓励在线教育领域的诚信。作动词的宾语,应用名词honesty,不可数。故填honesty。
34.with
【详解】考查介词。句意:我想你已经知道我建议你过去和他聊一聊。have a chat with sb.是固定短语,意为“和某人谈谈”。故填with。
35.on/upon
【详解】考查介词。句意:首先要集中力量办好一批重点高校。短语:concentrate on/upon “专注于,集中于”,故填on/upon 。
36. greatly 37. to 38.healthy 39. To help 40.decision 41.mine 42. that/which 43. relaxing 44. the 45. will become
【导语】这是一篇记叙文。短文讲述了作者为了保持健康而参加体育锻炼的过程。
36.考查副词。句意:我的父亲是一位狂热的跑步者,他在我年轻的时候对我产生了很大的影响。本空用副词greatly“极大地”,修饰动词influenced,作状语。故填greatly。
37.考查介词。句意:然而,当我的家人搬家时,我的新学校不太重视运动,也没有足球或跑步等课外活动。pay attention to“注重,注意”为固定短语,to为介词。故填to。
38.考查形容词。句意:我看起来很健康。was后接形容词healthy“健康的”,作表语。故填healthy。
39.考查动词不定式。句意:为了帮助自己恢复身材,我决定参加一项运动。help“帮助”。本句谓语为made,此处为非谓语动词,此处为动词不定式作目的状语,置于句首,首字母大写。故填To help。
40.考查名词。句意:为了帮助自己恢复身材,我决定参加一项运动。make a decision“做决定”,本空用名词decision“决定”,作made的宾语。故填decision。
41.考查代词。句意:我的一个朋友建议在我家附近建一个游泳池。of后接名词性物主代词,本空用mine“我的”,作介词of的宾语。故填mine。
42.考查定语从句。句意:我的一个朋友建议在我家附近建一个游泳池。分析句子结构可知,本空引导非限制性定语从句,先行词是a swimming pool,指物,关系词代替先行词在从句中作主语,应用关系代词that/which引导。故填that/which。
43.考查形容词。句意:我觉得在游泳池里游泳很放松。空处需填形容词作宾语补足语,修饰物,需用-ing结尾的形容词relaxing“放松的”。故填relaxing。
44.考查冠词。句意:我希望我很快就会开始感受到定期锻炼的好处,我会变得比以前更健康。表示特指定期锻炼的好处,用定冠词the。故填the。
45.考查时态。句意:我希望我很快就会开始感受到定期锻炼的好处,我会变得比以前更健康。become“变得”。根据句意可知,表示“我会变得比以前更健康”,事情发生在将来,句子时态为一般将来时。故填will become。
46.Defeated
【详解】考查非谓语动词。句意:尽管被同伴打败了,这个年轻人没有灰心。“打败”用动词defeat,与主语 the young man之间为被动关系,所以用过去分词作状语。根据汉语提示及句意,故填Defeated。
47.strategy
【详解】考查名词。句意:政府采取了一项保护野生动物和环境的战略。空处作宾语,结合汉语提示可知,名词strategy符合,冠词a提示用其单数形式。故填strategy。
48.Absorbed
【详解】考查非谓语动词。句意:这些孩子全神贯注于游戏,一点也不觉得饿。根据汉语提示,表示“吸引”含义的词为:absorb,分析句子结构,空白处在句子中作状语,因与其逻辑主语these children之间为逻辑上的动宾关系,结合短语be absorbed in,此处使用过去分词,故填Absorbed。
49.justified
【详解】考查时态。句意:“我原以为目的证明手段是合理的,但我错了。”汤姆喊道。结合汉语提示,justify“证明……正确、有理”是宾语从句谓语动词,由主句谓语thought一般过去时可知,事情已发生,从句谓语也用一般过去时。故填justified。
50.Absorbed
【详解】
考查非谓语动词。句意:他全神贯注地玩游戏,没有注意到有人进来了。根据汉语意思提示可知,此处为动词短语be absorbed in,结合句子结构可知,此处应为非谓语动词作状语,去掉be动词,保留过去分词。故填Absorbed。
51.criticized/criticised
【详解】考查动词。句意:他的无聊、拘谨和心胸狭隘受到了批评。“批评,指责”为动词criticize/criticise,和主语he之间是被动关系,应用过去分词形式与was构成一般过去时的被动语态,故填criticized或criticised。
52.Inspired
【详解】考查非谓语动词。句意:受到他的演讲的鼓舞,我们做出了巨大的努力。根据汉语提示,表示“鼓舞”用inspire,因空白处在句子中作状语,使用非谓语动词,又因与其逻辑主语we之间为逻辑上的动宾关系,使用过去分词,故填Inspired。
53.concern
【详解】
考查名词。句意:现在越来越多的人很担心我们的环境。空处作show的宾语,被much修饰,“担心”应用名词concern,是不可数名词。故填concern。
54.forgave
【详解】考查动词。句意:父亲很失望,但仍然原谅了我所做的一切。根据汉语提示可知,forgive“原谅”,动词,根据was可知句子是一般过去时,空处用动词过去式,故填forgave。
55.fault
【详解】考查名词。句意:我们迟到是他的错。根据汉语提示,表示“责任;过错”含义的名词为:fault,因该词表示“过错”含义的时候为不可数名词,使用单数,故填fault。
56.independent
【详解】考查形容词。句意:你已经18岁了,所以你应该学会独立于你的父母。根据汉语提示可知,“独立的”为independent,形容词,在句中作表语,故填independent。
57.signal
【详解】考查动词。句意:你必须示意你往那条路转去。根据所给汉语提示可知,此处应用动词signal,且空前有情态动词must,故应用动词原形,故填signal。
58.Located
【详解】考查动词。句意:这个大农场位于城市的西部,在过去的二十年里已经扩建了1000多亩。根据句意和中文提示可知,表示“定位”可用动词locate,为动词,在本句中作非谓语,the big farm与locate为被动关系,再由句意可知,这里应用过去分词作状语,且句首时首字母应大写。故填Located。
59.Assigned
【详解】考查动词。句意:张骞受皇帝的指派,从长安出发前往中亚。根据汉语提示可知应用动词assign,与逻辑主语ambassador构成被动关系,故用过去分词作状语,首字母大写。故填Assigned。
60.filled
【详解】考查动词的过去分词作状语。句意:他悲痛欲绝,再也无法集中精力工作了。设空处在句中作非谓语,和其逻辑主语he之间是逻辑的被动关系,应用动词的过去分词的形式作状语。故填filled。
61.absorbed in
【详解】考查固定短语和非谓语动词。对比中英文句子可知,空格处意为“沉浸在”,是固定短语be absorbed in,句中谓语是didn’t notice,空格处用非谓语动词,因此空格处用absorbed in,作状语,故填absorbed in。
62.has a desire for success
【详解】
考查动词短语和名词。对比中英文可知,空处表示“渴望成功”,可用动词短语have a desire for sth.表示“渴望”,名词success表示“成功”,结合has可知,此处描述一般性的事实,时态应用一般现在时,主语为Everyone,have需用第三人称单数形式。故填has a desire for success。
63.neither the story nor the details of the experiment
【详解】考查固定句型、名词 。表示“既不……也不”短语为neither...nor...,连接主语“这个故事”和“实验的细节”;表示“故事”用story,此处表示特指,story前加the;表示“细节”用detail,结合句意可知,细节不止一个,应用名词复数形式;表示“实验”用experiment,此处表示特指,experiment前加the;表示“实验的细节”应用名词短语the details of the experiment。故填:neither the story nor the details of the experiment。
64.find ourselves in the great new age of technology
【详解】
考查动词、代词和介词短语。对比中英文可知,空处表示“发现自己处于伟大的新技术时代”,可用固定结构“find+宾语+宾语补足语”表示“发现某人/某物……”,宾语“(我们)自己”应用反身代词ourselves,宾语补足语“处于伟大的新技术时代”可用介词短语in the great new age of technology,结合now可知,此处描述当前的情况,时态应用一般现在时,主语为we,find应保持原形。故填find ourselves in the great new age of technology。
65.so dirty that
【详解】考查固定句型、形容词。由所给句意可知,空格处应表达“那么脏,以至于”。表示“如此……以至于”用固定句型so...that...,so后接形容词或副词,that引导结果状语从句;表示“脏的”用形容词dirty,作表语。故填so dirty that。
66.was annoyed at
【详解】考查固定短语、时态、主谓一致。由所给句意可知,空格处应表达“感到恼火”,可用be annoyed at。分析句子结构可知,bet后为省略引导词that的宾语从句,根据语境可知从句描述的事情发生在过去,故时态用一般过去时,且从句主语为she,be动词用was。故填was annoyed at。
67.ensure that
【详解】考查动词和宾语从句。“保证”用动词ensure表示,是谓语动词,结合句意和从句时态可知,描述当前的情况,用一般现在时态;再分析句子可知,“I can perfectly live up to your expectations”是ensure后宾语从句,从句不缺成分,句意完整,用连词that引导该从句。故填ensure that。
68.it’s our duty to
【详解】考查固定句型和名词。“责任”表达为名词duty,“……是我们的责任”用固定句型“It’s our duty to do sth.”表达,it作形式主语,不定式作真正主语,此句翻译为We feel (that) it’s our duty to protect and beautify our environment.;that引导名词性从句作feel宾语,that可省略;故填it’s our duty to。
69.adjust ourselves to
【详解】
考查动词短语。对比中英文可知,空处表示“使自己适应”,可用动词短语adjust oneself to表示“使自己适应于”,adjust行为的执行者是We,oneself需变为ourselves,且此处为不定式作目的状语,adjust应用原形。故填adjust ourselves to。
70.what to do
【详解】考查“疑问词+动词不定式”。根据中英文提示可知,需要翻译的部分是“做什么”,表示“做什么”应用what to do,此处为“疑问词+动词不定式”结构,作宾语。故填what to do。