高一英语必修一知识点高一英语必修一知识点总结
unit4句型
Unit 4 句型总结
1. There be 句型
- There is/are + 名词 + 地点/情况
- There is/are + 数字/量词 + 名词 + 地点/情况
- There is/are + 形容词 + 名词 + 地点/情况
- There is/are + 名词 + of + 名词 + 地点/情况
2. 表示喜欢或爱好的句型
- Like/love/enjoy + 动词ing
- Like/love/enjoy + 名词
3. 句型的疑问形式
- 现在简单句：Do/Does + 主语 + 动词原形？
- 过去简单句：Did + 主语 + 动词原形？
- There be 句型：Is/Are + there + 名词 + 地点/情况？
4. 一般过去时句型
- 肯定句：主语 + 动词过去式 + 其他
- 否定句：主语 + didn't + 动词原形 + 其他
- 疑问句：Did + 主语 + 动词原形 + 其他？
5. 情态动词 can 表示能力
- 肯定句：主语 + can + 动词原形 + 其他
- 否定句：主语 + can't + 动词原形 + 其他
- 疑问句：Can + 主语 + 动词原形 + 其他？
6. 表示习惯的句型
- 主语 + 动词(s) + usually/always/often/sometimes + 其他
- 主语 + don't/doesn't + 动词 + usually/always/often/sometimes + 其他？
7. 特殊疑问句
- 特殊疑问词 + 一般疑问句？
- 例：When did you go to the zoo?（你什么时候去动物园的？）
高一英语必修一Unit4重要知识点总结 （句型）外研版 高一英语必修一Unit4重要知识点总结（句型） It's been six yeawe last saw eau know. 你要知道，我们已经6年没有见面了。 · 基本用法 句中you know 为插入语。 since引导的是时间状语从句，在这里是一个固定句型，即It has been +时间段 + since + 一般过去时态。这个句型也可以表示成：It is +时间段 + since + 一般过去时态。· 知识拓展 I句型总结如下：It is (has been) + 一段时间 +It is (has been)ad the army.、他参军已经三年了。 It is (has been) ten yeaTom caa. 汤姆来中国已经十年了。 It is (has been) twworked here. 他两个月前在这儿工作。 2. It is(was, will be, not )+ 一段时间 + bIt was a long time bame back. 过了很久他才回来。 It will be soon bback. 很快他就会回来了。It is (was) + 时间点 + when... It was midnight wame back. 他半夜回来的。 AndI've visited youwn. 这是我第一次到你的家乡
来参观。 · 基本用法 句型结构“This + is + the + 序数词 + time + that 从句”中的time前面有序数词来修饰，后面的从句一般要用完成时。如： Tdat he has been to Beijing. 这是他第二次取北京。· 知识拓展 It'at.... 该...时候了 It's higat.... 该...时 候了 It'at you went to bed. = It'u to go to bed. 到了你上床睡觉的时候了。 It’a句型中一般要用虚拟语气，从句谓语动词通 常用过去式的形式，有时可用“shoul d+ 动词 原形”的形式，should通常不能省略。 It'at you should go to bed. 到你该睡觉的时候了。 You know, I've seen quite a la and I've visited some beautifulbuattractive places I've b你知道， 我曾经去过中国很多地方并参观过很多美丽的城市，但 是这里是我去过的最有魅力的城市之一。 · 基本用法 此句you know 为插入语。这是一个并列连词but 连接的并列句，其中后面的句子中含有一个省略了引导词 that 的定语从句I've been to，修饰先行词places。
Unit 4Earthquakes 【单元导航】 Moved by mother’s great love She had died when the rescuers found her.She was buried by the crushed house.Through gaps of those ruins，we can see her last posture(姿态).Being on her knees，the upper part of the body was prostrate (趴着的) forward，with her hands on the ground to support her body.That was something like an ancient who was kowtowing. The rescuers confirmed her death by touching her through the gaps of ruins.They shouted at the ruins again and again，knocked the bricks using the crowbar(铁棍)，but no response inside. Then the rescuing team went to next building，suddenly the leader ran back，calling “come here”.He came to the body，stretched his hands under the woman，feeling and touching，then s houted loudly “there is someone，a baby，still living”. Through some efforts，rescuers cleaned up the ruins carefully which blocked her.Under her body lay her baby，who was wrapped in a small red quilt with yellow flowers scattered in red.He was about 3 or 4 months’ old.Since well protected by mother’s body，he was totally safe.He was sleeping on both ears when the rescuer carried him out，and his lovely and peaceful face warmed everyone around him.The doctor along with the rescuing team unfastened the quilt to check if the baby was all right，and he found there was a mobile phone filled in the quilt.The doctor looked at the screen subliminally，a written message was already there: “My dear baby，if you could live，don’t forget how much I love you”.As a doctor，he experienced too much of parting forever；but at this moment，he wept.The mobile was passed，every person who saw this message shaded tears. Section One Warming Up and Reading Ⅰ.Leadin 1.Who can remember what happened in Yushu，in Qinghai Province in the year 2010? A terrible earthquake broke out there on April 14th.More than 2,200 people were killed. 2.Do you know any other natural disasters? tornadoes；typhoons/hurricanes；volcano eruption；drought；floods；etc. 3.Can you tell some famous land earthquakes? (1)Pakistan Earthquake：On October 8th,2005，a terrible earthquake which measured 7.6 on the Richter scale happened in Pakistan，Afghanistan and India.And Pakistan was the most seriousaffected country，in which 38,000 people died,62,000 people injured and 25,000 people were homeless.(2)San Francisco：On October 17,1989，an earthquake measuring 7.1 on the Richter scale struck San Francisco.(3)The Wenchuan Earthquake in 2008. 4.Do you know why an earthquake happens?
高中高一英语必修知识点：Unit4总结 摘要高中频道的编辑就为您准备了高中高一英语必修 知识点：Unit4总结 Unit 4 Astronomy: the science of the stars 1. be fundamental to 对，是基本的，必需的This is fundamental to a true understanding of the book. 这对真正理解这本书十分重要。 2. in sbs presence 当着某人的面，有某人在场 She asked them not to discuss the matter in her presence. 她要求他们不要当着她的面讨论这个问题。 3. be harmful to 对，有害的 = do harm toThe air here is harmful to our health. 这里的空气对我们有害。 4. There is no harm in doing sth. 不妨做某事 = It does no harm to do sth. He may not be able to help but theres no harm in asking him. 他可能帮不了忙，但是求他一下倒也无妨。 5. exist on 靠，生存 = live onThey exist on very little food. 他们靠极少的食物生存。
6. exist in 存在于，中 Several people believe the Devil exists in the world. 少数人认为世界上存在恶魔。 7. in a puzzle 不知如何是好，很迷惑 I am in a puzzle about what he said. 我对他说的话迷惑不解。 8. in time 1)迟早;最后 = sooner or later; eventually 2)及时;不迟 = not late Youll learn how to do it in time. 你早晚能学会做这件事的。 Will I be in time for the train? 我赶得上那趟火车吗? 9. give birth to 生出，产出 She gave birth to a second child in January. 一月份的时候她生了第二个孩子。 The Chinese nation has given birth to many national heroes and revolutionary leaders. 中华民族养育了很多民族英雄和革命领袖。 10. in ones turn 轮到某人也(做某事)，也They, in their turn, made a proposal. 他们接着也提了一个建议。 11. by turns 轮流，交替
Unit4知识梳理(必修一) 1.right away 立刻, 马上 表示立刻,马上的词(组)__________________________ _____________ _____________ ________________ _________________ 2.burst: vi.爆发,突然……起来 burst into sth, burst out doing sth 突然…….起来 突然笑起来__________________ _______________________ 突然哭起来___________________ _______________________ burst into some place 突然闯入……… burst: n.突然爆发 a burst of anger 怒气的迸发 a burst of laughter/applause 一阵笑声/掌声 我经过时,突然房间里传来一阵笑声 There was a __________________ in the room when I passed by. 他一出现就传来了一阵掌声 Upon his appearance, there was _____________________________ Every time ______ he thought of his past, he could not help bursting_______ A.when, out tears B.that, into crying C.which, into tears D./, out crying 3.as if 仿佛,好像(as though) (1)as if 的作用: A.as if 可引导表语从句,常与look, seem ,feel, taste,smell,sound 等连系动词用 她看起来好像年轻了十岁____________________________________________ 看来我们队要赢了____________________________________________ B.as if 可引导方式状语从句 那个孩子和我们谈话像个成年人似的_______________________________________ (2)as if 的语气及时态: A.当陈述的句子是真实的情况或极有可能出现的情况时,用陈述语气 听起来像是在下雨____________________________________________ B.当句子所述的不是真实的情况或出现的可能性不大的情况,用虚拟语气 a.与现在事实相反,谓语动词用过去时(be动词用were) b.与过去事实相反,谓语动词用“had+done” c.与将来事实相反,谓语动词用“would, could , might+动词原形” 看来他像是在做梦______________________________________________ 好像他以前去过英国似的_______________________________________ 他张开嘴好像要说什么似的_____________________________________ (3)as if 用于省略句中:当as if 引导的方式状语从句的主语和主句的主语相同或是it时,且 谓语含有be 动词 他做起来事来像个傻子_________________________________________ 那个小男孩懂得如此多,好像他是个大人似的 The little boy knows so many things as if he _________________________ 他表现得和平常一样,好像什么事都没发生似的 He acted as usuas as if __________________________ 他觉得他好像需要更多的时间学习 He felt as if he ____________________________________
Unit 4 Earthquakes 课本知识点复习 1、Describe to your partner what might happen to the objects in the photos （1）表示"某人出了某事（常指不好的事）"，要用"sth.+ happen+to sb."这一结构来表达。 例如： A car accident happened to her this morning. 今天上午她发生了交通事故。 What happened to you? 你怎么啦？ （2）. 表示"某人碰巧做某事"，要用"sb.+ happen+ to do sth."这一结构来表达。例如： I happened to meet a friend of mine in the street yesterday. 昨天我碰巧在街上遇到了我 的一个朋友 （3）. happen表示"碰巧或恰巧发生某事"时，还可用"It happens / happened that..."这一结构来表达。例如： It happened that Brian and Peter were at home that day. 碰巧那天布莱恩和彼得在家了。 It happened that he had to take part in a meeting that afternoon. 碰巧那天下午他不得不参加一个会议。 （4）表示"某地（某时）发生了什么事"，常用"sth.+ happen +地点/时间"这一结构来表达，此时主语应是事情。例如： The story happened in 2003. 这个故事发生在2003年。 Stranger things were happening in the countryside of northeast Hebei. （课文句子） 2.right away = at once 立刻，马上 3. crack 意为“破裂，裂开，打，击，撞” crack down (on)对···采取严厉的措施 Police crack down on drug dealers. 警察对贩毒分子严惩不贷。 4. A smelly gas came out of the cracks. 表示气体散发出来的词组还有：give out 5. In the farmyards, the chickens and even the pigs were too nervous to eat. 1）too…to太…以至于…①He is too tired to work. 他太累了，不能继续工作。 ②He is too young to go to school.他太小了以至不能去上学 ③---- Can I help you ? 需要我帮忙吗? ---- Well, I'm afraid the box is too heavy for you to carry it, but thank you all the same.不用了。这箱子太重，恐怕你搬不动。谢谢您。 ※ enough``` to do sth. 足够···去做某事 He is too young to go to school. → He is young enough to go to school. 他足够大了，可以上学了。 6. water pipes水管 7. burst (burst, burst) vi. 爆裂;爆发 burst into tears/ laughter/ flames 突然大哭/大笑/起火
高一英语必修一知识点高一英语必修一知识点总结 unit4句型 Unit 4 句型总结 1. There be 句型 - There is/are + 名词 + 地点/情况 - There is/are + 数字/量词 + 名词 + 地点/情况 - There is/are + 形容词 + 名词 + 地点/情况 - There is/are + 名词 + of + 名词 + 地点/情况 2. 表示喜欢或爱好的句型 - Like/love/enjoy + 动词ing - Like/love/enjoy + 名词 3. 句型的疑问形式 - 现在简单句：Do/Does + 主语 + 动词原形？ - 过去简单句：Did + 主语 + 动词原形？ - There be 句型：Is/Are + there + 名词 + 地点/情况？ 4. 一般过去时句型 - 肯定句：主语 + 动词过去式 + 其他 - 否定句：主语 + didn't + 动词原形 + 其他 - 疑问句：Did + 主语 + 动词原形 + 其他？
5. 情态动词 can 表示能力 - 肯定句：主语 + can + 动词原形 + 其他 - 否定句：主语 + can't + 动词原形 + 其他 - 疑问句：Can + 主语 + 动词原形 + 其他？ 6. 表示习惯的句型 - 主语 + 动词(s) + usually/always/often/sometimes + 其他 - 主语 + don't/doesn't + 动词 + usually/always/often/sometimes + 其他？ 7. 特殊疑问句 - 特殊疑问词 + 一般疑问句？ - 例：When did you go to the zoo?（你什么时候去动物园的？）
高一英语必修一unit4知识点总 结 高一英语必修一unit4知识点总结1 1. right away毫不迟疑，立刻 2. It seemed as if the world was at an end. 世界似乎到了末日。 从句表示“(在某人)看来好像;似乎” ① It seems/looks/appears as if/though…看起来好像… ② Sb./Sth. looks as if/though… ③ There seems/appears(to be)… There appears to have been a mistake. 3. Two-thirds 4. Workers built shelters for survivors whose homes had been destroyed. 5. under the weight of 在……重压下，迫于 6. in the open air 在户外，在野外，露天 7. take turns to do sth依次，轮流做某事 in turn 依次地，轮流地 8. be shocked at 对……感到震惊
9. be proud of 以……为自豪 10. express one’s thanks to sb /for sth… 对/因……表示感谢 11. without warning 毫无预兆 12. next to紧接着，相邻，次于 13. get away from… 避免，摆脱，离开 14. disaster-hit areas灾区 15. Listening to English is a very important skill because it is only when we understand what is said to us that we can have a conversation with somebody. 听英语是一项很重要的技能，因为只有当我们懂得别人给我们说什么我们才能与他交谈。 高一英语必修一unit4知识点总结2 虚拟语气 虚拟语气也是一个难点。所谓虚拟语气是表示说话人的愿望、假设、猜测或建议，而不表示客观存在的事实。它通过句子的谓语动词的特殊形式来表示。现归纳如下：纯假设，用虚拟，动词时态退一级：条件句，分主从，主句谓语前加would (should,could，might);表愿望,用虚拟，wish后面接宾语(从句)：现在过去与将来，动词时态退一级：提建议，用虚拟，宾语(从句)动词用(should)do：俩建议，三要求，再加坚持与命令 (suggest,advise,demand,require,request,insist,order)：
高一英语必修一知识点笔记unit4 Unit 4: Earthquakes In this unit, we will explore the topic of earthquakes. We will learn about their causes, effects, and the measures taken to minimize their damage. By the end of this unit, we will have a better understanding of the science behind earthquakes and their impact on the environment. 1. Introduction to Earthquakes Earthquakes are natural phenomena that occur when there is a sudden release of energy in the Earth's crust. This energy, in the form of seismic waves, causes the ground to shake. Earthquakes can range in intensity from minor tremors to major destructive events. 2. Causes of Earthquakes Earthquakes are primarily caused by the movement of tectonic plates. The Earth's crust is divided into several large plates that constantly shift and collide with each other. When these plates get stuck at their boundaries due to friction, stress builds up until it is released in the form of an earthquake.
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高中英语外研版必修第一册unit4重点句型归纳整理 Unit 4 Meeting the muse 1.Florentijn Hofman is a Dutch artist,whose large sculptures are on display all over the world. 弗洛伦蒂安·霍夫曼是一位荷兰艺术家,他的大型雕塑作品在世界各地展出。 2.Hofman’s inspiration for Floating Fish came from Chinese folk tales passed down through the generations. 霍夫曼对《浮鱼》的灵感来源于世代相传的中国民间故事。 3.This story came to life for Hofman when he visited Wuzhen and saw how people lived there. 当霍夫曼在乌镇看到人们是如何在那里生活的时候,这个故事就鲜活了起来。 4.It gave me a chance to go deeper into the lives of various ethnic groups... 它给了我一个深入了解各个民族生活的机会…… 5.My dance comes from their traditional belief and aims to bring out the Dai women’s beauty. 我的舞蹈来源于他们的传统信仰,旨在展现傣族妇女的美丽。 6.I was determined to see the painting,which is often called the “Mona Lisa of the North”. 我决心去看这幅画,它常被称为“北方的蒙娜·丽莎”。 7.The highly-skilled artist is voicing her attitude through the natural form of a storm. 这位技艺高超的艺术家正以暴风雨的自然形式表达她的态度。 8.Check out the ground-breaking installations. 看看这些具有开拓性的艺术装置吧。 9.extremely impressive so as to take one’s breath away令人叹为观止
外研版（2019）高中英语必修第一册Unit 4课文知识点讲义 Unit 4 Friends forever Understanding ideas 一、知识点： 1 if引导条件状语从句，其中moving to...为动名词短语作主语。 2 that引导定语从句，修饰先行词people。 3 what引导宾语从句。 4 who引导定语从句，修饰先行词people。 5 whatever引导让步状语从句，该从句中省略了are；who引导定语从句，修 饰先行词others；even if引导让步状语从句。 6 when引导时间状语从句；that引导宾语从句。 7 that引导宾语从句，该从句中又含有what引导的主语从句。 8 that引导定语从句，修饰先行词positive updates。 9 although引导让步状语从句，该从句中又包括定语从句we acquire friends。 10 as引导定语从句，并在定语从句中作said的宾语；even if引导让步状语从 句。 二、单词&短语： 1 lose track of失去联系 2 what if倘使……将会怎样 3 faraway adj. 遥远的 4 thanks to由于，幸亏 5 advance n. 进步，进展
6 make friends交朋友 7 communicate with与……交流 8 significantly adv. 重大地；显著地 9 stay in touch with与……保持联系 10 social media 社交媒体 11 up to忙于 12 maintain v. 保持，维持 13 digital adj. 数字的，数码的 14 enable v. 使可能，使发生 15 unusual adj. 异常的，不平常的 16 meaningful adj. 有意义的 17 keep in mind 记住 18 site n. 网站 19 tend v. 易于做某事，往往会发生某事 20 criminal n.罪犯 21 bathwater n.洗澡水 throw the baby out with the bathwater不分良莠一起抛弃 22 long for渴望 三、课文 CLICK FOR A FRIEND? How would you feel (1) if moving to a new town meant losing track of your friends? What if the only way of getting news from faraway
新外研社（19）高中英语必修一Unit4Friends forever单元知识总结（一）短语 1.be familiar with …对…..熟悉 2.be familiar to sb.为某人所熟悉 3.lose track of 不了解…..的情况，不了解…..的动态 4.Keep track of 与…..保持联系；记录 例句：He lost track of his good friend after graduation 5.deliver sb. a lecture 给…..作报告 6.thanks to 归功于…..，多亏…… 7.in advance 提前 8. change significantly 变化显著 9.social media 社交媒体 10.tend to 照顾； 11.tend to do sth.倾向于做….. 12.enable sb.to do sth.使某人有能力做某事 13.throw the baby out with the bathwater 不分良莠一起抛弃 14.pour in 蜂拥而至 15.pour down （雨）倾盆而下 16.be anxious about …为…..担心/担忧 17.with anxiety 忧虑地 18.postpone（=put off ）doing sth. 推迟做某事 19．Make one’s fortune 发财 20..ought to 应该；应当 21.correspind with …与…通信联系 22.turn up 1)(意外或终于)出现2）调低（音量） 23.be ashamed of 对…..难为情 24.work out 理解；锻炼；训练；进展顺利；算出；拟出（计划、安排）. 25.face to face 面对面 26.stay in touch with …和…..保持联系
Unit 4 Earthquakes 单元要点预览 I词语辨析
II词性改变
Ⅲ重点词汇 1. burst v.&n. 爆裂, 爆发, 突然裂开 [典例] 1).The red balloon suddenly burst. 那个红色的气球突然爆了。 2). The police burst through the door.警察破门而入。 3). On hearing the news, Leslie burst into laughter while Tracy burst out crying. 一听到这则消息，Leslie突然大笑，而Tracy则突然大哭起来。 4). A burst of hand-clapping followed the ending of the song. 歌声结束后响起了一阵掌声。 [重点用法] burst into laughter = burst out laughing 突然大笑 burst into tears = burst out crying 突然大哭 [练习] 中译英 1). 水管在寒冷的天气里常常冻裂。 ______________________________________________________________________2). 太阳突然从云端里露出来。 ______________________________________________________________________ 2. rescue n.&vt. 援救，营救 [典例]
1). The police came to his rescue and pulled him out of the river. 警察来救他，把他从河里拉了出来。 2). The rescue team made countless rescues during the earthquake. 营救队在这次地震期间进行了多数次救援。 3). Michael rescued a boy from drowning. 迈克把溺水的男孩救了起来。 [重点用法] rescue sb./ sth. from sb./ sp. 把……..从……营救出来 come to/ go to sb’s rescue = rescue sb. 援救某人 a rescue team 救援队 a rescue mission 救援任务rescue workers 救援人员 [练习] 用rescue的适当形式填空 1). The mother, along with her two children, _________from the sinking boat by a passing ship. 2). The firemen ________ five children from the burning house yesterday. 3. judge n.&v.法官，鉴赏家，裁判，推断，估计 [典例] 1). His father used to be a judge. 他的父亲过去是一名法官。 2). She's a good judge of wine. 她是鉴别酒的专家。 3). The blind can’t judge colors. 盲人无法推断颜色。 4). Don’t judge a man by his lo oks. 不要以貌取人。
高一英语必修一第四单元知识点总结 学习英语的过程当中,背单词和短语是大多数人最头痛的问题,想要学好英语首先要学好英语单词和短语。下面是为你推荐高一英语必修一第四单元知识点归纳，希望能帮到你。 高一英语必修一第四单元知识点归纳1.right away毫不迟疑，立刻 2.It seemed as if the world was at an end.世界似乎到了末日。 从句表示“(在某人)看来好像;似乎” ①It seems/looks/appears as if/though…看起来好像… ②Sb./Sth.looks as if/though… ③There seems/appears(to be)… There appears to have been a mistake. 2.in ruins.变为废墟 3.Two-thirds 4.Workers built shelters for survivors whose homes had been destroyed. 5.under the weight of在……重压下，迫于 6.in the open air在户外，在野外，露天
7.take turns to do sth依次，轮流做某事 in turn依次地，轮流地 8.be shocked at对……感到震惊 9.be proud of以……为自豪 10.express one’s thanks to sb/for sth…对/因……表示感谢 11.without warning毫无预兆 12.next to紧接着，相邻，次于 13.get away from…避免，摆脱，离开 14.disaster-hit areas灾区 15.Listening to English is a very important skill because it is only when we understand what is said to us that we can have a conversation with somebody. 听英语是一项很重要的技能，因为只有当我们懂得别人给我们说什么我们才能与他交谈。 16.It is believed that人们认为… 17.hold up举起;托住;支撑列举，推举 18.make up弥补,虚构,整理,和解,化妆,拼凑 19.be trapped in被困于… 20.It is said that…据说... 21.be fixed to…被固定到…… 22.be tied to…被绑在……
Unit 4 Natural Disasters 原文呈现 THE NIGHT THE EARTH DIDN'T SLEEP Strange things were happening in the countryside of northeastern①Hebei. For several days，the water in the village wells②rose③and fell，rose and fell.There were deep cracks that appeared in the well walls.At least one well had some smelly④gas coming out of it [1]．Chickens and even pigs were too nervous to eat[2]，and dogs refused to go inside buildings.Mice ran out of the fields looking for places to hide[3]，and fish jumped out of the water.At about 3：00 a．m., on 28 July 1976，bright lights were seen in the sky outside the city of Tangshan and loud noises were heard.But the city's one million people were asleep⑤as usual⑥that night. [1]“coming out of it”在此为现在分词短语作后置定语，修饰gas。gas与come 之间为逻辑上的主谓关系。 [2]此处为“too...to...”结构，表示“太……而不能……”。 [3]“looking for places to hide”在此为现在分词短语作伴随状语，Mice与look for之间为逻辑上的主谓关系，“寻找”与“跑”同时进行。 At 3：42 a．m.，everything began to shake⑦.It seemed as if the world were coming to an end⑧！[4]Eleven kilometres directly⑨below the city，one of the most deadly⑩earthquakes of the 20th century had begun，a quake that even caused damage more than⑪150 kilometres away in Beijing [5]．Nearly one third of the whole nation felt it！A huge crack，eight kilometres long and 30 metres wide，cut across houses，roads，and waterways⑫.Hard hills of rock became rivers of dirt.In less than one minute，a large city lay in ruins⑬.Two thirds of the people who lived there were dead or injured.Thousands of children were left without parents.[6]The number of⑭ people who were killed or badly injured in the quake was more than 400,000. [4]本句中as if引导表语从句，该从句使用了虚拟语气。 [5]“a quake that even caused...in Beijing”为“one of the most deadly earthquakes”的同位语，其中“that even caused...in Beijing”为that引导的定语从句，