英语中考英语语法填空100及答案(word)1

1、英语中考英语语法填空100 及答案（word） 1一、初三中考语法填空（含答案详细解析）1 阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。An old man went to India. When he got there, he saw some fruit for sale, but most of it was very cheap. The （ cheap） thing has a basket of red fruit."How much per kilo?" the old man （ ask） ."Two rupees （

2、卢比）," the shopkeeper answered. Two rupees in India is almost nothing,the old man bought a whole kilogram and started eating it.However, as soon as he started eating, his mouth began （ burn） , his eyes began towater, andhis whole face became as red the fruit.As hecoughed andstruggled tobreathe,

3、hejumped up and , screaming: "Ah! Ah! Ah!"And yethe continued to eat the fruit. Some people whowerelookingat himshook their （head） and said, "You are crazy! Those are chili peppers（辣椒）!Youcan't just eat them by the handful!"The old man said to （ he） ,"I paid for them, so

4、 I must eat them."This old man seemed pretty stupid. But are we so much smarter? All of us have （ spend） money and time on something-maybe a relationship, or a business, or a job-and sometimes, even if we know there's no hope that things will change, we still continue with it.What we can le

5、arn the old man is this: if you've lost a lot over something thatdoesn't work, let it go and move on. It's better than continuing to lose.【答案】cheapest； asked； so； to burn /burning ； as； down ； heads； himself； spent；from【解析】【分析】文章大意：这篇短文主要讲述了一个人因为贪便宜，买了一些根本不能作为水果的辣椒。结果因为舍不得自己花的那些钱，坚持把它们吃完

6、的故事。从而告诉我们放弃某些东西比继续损失要好。（1）句意：最便宜的东西有一篮子红水果。cheap,便宜。根据上文语句but most of itwas very cheap. 提示可知，此句应该用最高级，故填cheapest。（2）句意：每公斤多少钱？”老人问。ask,询问，由语句 An old man went to India. 提示可知此句要用一般过去时，故填asked。（ 3）句意：所以这位老人买了整整一公斤，开始吃。语句the old man bought a wholekilogram and started eating it. 是 Two rupees in India is

7、 almost nothing, 的结果，故填so。（ 4）句意：然而，他一开始吃东西，嘴巴就开始燃烧。burn ，燃烧；固定结构begin to dosth,开始做某事，故填 to burn/burning 。（5）句意：整个脸变得像水果一样红。固定结构 asas与 一样，故填as。（6）句意：他跳上跳下，尖叫着：啊！啊！ 啊！”固定短语，jump up and down ,跳上跳下，故填down 。（7）句意：有些人看着他，摇摇头说：你疯了！ head,头，因前面 some people ,要用复数形式，故填heads。（8）句意：老人自言自语道： 我付了钱，所以我必须吃。”固定短语，sa

8、y to oneself,因主语是he,故填himself。(9)句意：我们所有人都把时间和金钱花在了一些事情上。spend,花费，动词。因前面有助动词have,其后要用过去分词，故填 spent。(10)句意：我们可以从这位老人身上学到的是(5固定短语，learn from sb,向某人学习，故填from。【点评】考查语法填空。通读全文理解大意，然后根据上下文或者所给单词的提示对所缺部分进行逐一解答。2 语法填空A kidnapped 3-year-old boy （ name） Aiden helped police find himself on Tuesday,Jan. 13, aft

9、er answering （ he） mum's phone in her stolen car- find out how he pulledit off!Authorities said they found a 3-year-old boy who was sitting a car stolen outside aUtah day care on Tuesday after he （ answer）his mother's cellphone and honked thehorn to draw their attention."The boy's m

10、other, Elizabeth Barrios, left the car unlocked and running a snowymorning as she dropped off another child, a baby, at the day care around 7 am in Ogden, a town about 40 miles north of Salt Lake City," the police said. When she walked out, she saw someone （ drive ） her car away with her 3-year

11、 old son Aiden inside.Police arrived and called her cellphone, which was in the car, hoping （ reach） thethief and negotiate the boy's release.Instead, the boy answered the phone. He told his mother that a （ strange） haddriven away her car and was going through her purse. She told him （ stay） cal

12、m asthe man took things from her purse ran away."He is a very smart child," the police praised the kid. "He did a great job."【答案】named； his； in； answered； on； driving ； to reach ； stranger； to stay； and【解析】【分析】本文讲述了一个3 岁的男孩通过在被偷的车里接了妈妈的电话后，帮助警方找到了他的事情。（ 1）句意：1 月 13 日，星期二，一个被绑架的名叫

13、艾登的3 岁男孩在被偷的车里接了妈妈的电话后，帮助警方找到了他。helped 是谓语动词，故此处是非谓语动词，name 与boy是被动关系，故用过去分词做后置定语，named,名字叫的，故填named。（ 2）句意：1 月 13 日，星期二，一个被绑架的名叫艾登的3 岁男孩在被偷的车里接了妈妈的电话后，帮助警方找到了他。phone 是名词其前是形容词性物主代词，he 是主格，他，其形容词性物主代词是his,他的，故填his。（ 3）句意：当局说，他们发现一个3 岁的男孩坐在一辆被偷走的车里，星期二他在犹他州一家日托所外接了他母亲的手机，并按了喇叭以引起他们的注意。根据 was sitting

14、,可知 表示正坐在某处，in the car,在车里，表示地点，故填 in。（ 4）句意：当局说，他们发现一个3 岁的男孩坐在一辆被偷走的车里，星期二他在犹他州一家日托所外接了他母亲的手机，并按了喇叭以引起他们的注意。根据and honked thehorn ，可知 and 前后时态一致是一般过去时，故填answered。（5）句意：警方称，男孩的母亲伊丽莎白巴里奥斯早上7点左右在盐湖城以北 40英里的小镇奥格登接受日托时，在一个下雪的早晨，将另一个孩子，一个婴儿，放下后，车没锁，就跑了。根据 a snowy morning,可知morning前有形容词时用介词on,表示在的早上，故填on 。

15、（ 6）句意：当她走出来的时候，她看到有人开车带着她3 岁的儿子艾登走了。see sbdoing sth,看见某人正在做某事，故此处是现在分词，故填 driving。（7）句意：蒂姆 斯科特中尉说，警察到了，打电话给她车里的手机，希望能找到小偷，并与他协商释放男孩的事宜。hope to do ，希望做某事，故此处是不定式，故填to reach 。（ 8）句意：他告诉他妈妈一个陌生人开着她的车走了，正在翻她的钱包。不定冠词a 后是名词单数，strange是形容词，stranger,是名词，陌生人，故填 stranger。（ 9）句意：她让他保持冷静，因为那个男人从她的钱包里拿走了东西就跑开了。t

16、ell sb todo,固定搭配，告诉某人做某事，故此处是不定式，故填 to stay。（ 10）句意：她让他保持冷静，因为那个男人从她的钱包里拿走了东西就跑开了。此处表示并列关系，拿走东西并且跑掉，故是并列连词and,故填and。【点评】考查语法填空，注意谓语的时态，语态，非谓语动词，词性，连词搭配等多种用法。3 语法填空Chen Yujie studies at a boarding school in Ningbo, Zhejiang. She used to go back to her home in Cixi every week （ get）money from her pare

17、nts.It was not a short ride home and the trips were tiring. Chen hoped her parents could put the money on a bank card, she didn't have to travel so often.She decided to discuss with her parents during TV time after dinner. "It's usually themost relaxing time for our family," said C

18、hen.She the right time. After a few turns of lobbying （游说）, her parents agreed with Chen. For most teenagers like Chen, talking to parents can be difficult or even worrying. So they have to choose a right time.American magazine Highlight recently surveyed 1,521 （ kid） aged 612 in thecountry, asking

19、questions like" When you want to talk to your parents about something important, when is best time to do it?". Results show that American kids seem to knowwhen their parents are most receptive （乐于接受的）.Mealtime is discovered to be theirfavourite time to talk to their parents. Bedtime comes

20、（ two） , followed by time spentin the car. （China） teenagers seem to have a similar tendency （倾向） towards the problem. A newspaper in Zhejiang did a survey it. The result shows most teenagers inthe city would choose mealtime to talk to their parents.So do you have anything to talk to your parents? C

21、hoose a good time.【答案】to get； so； it； chose； finally ； kids； the； second； Chinese； of【解析】【分析】本文介绍了青少年和父母交流的问题，对大多数青少年来说，与父母交谈可能很困难，甚至令人担忧。所以他们必须选择正确的时间。（ 1）句意：她常常每周回到在慈溪的家为了从父母那里取钱。此处是不定式做目的状语，为了，故填to get 。（ 2）句意：陈希望她的父母可以把钱打到银行卡上，这样她不用经常回家了。根据putthe money on a bank card 和 she didn't have to tra

22、vel so often 可知， 把钱打到银行卡上的结果是这样她不用经常回家了，故此处是连词表示结果，so 是连词 ，故填so。discuss 后缺少宾语，it 指代choose mealtime to talkchoose 是动词，描述过去用（ 3）句意：她决定晚饭后看电视时和她的父母讨论这件事。把钱打到银行卡上这件事，故用it 指代一件事，故填it。（ 4）句意：她选择了正确时间。此处缺少谓语动词，根据下文to their parents 选择用餐时间和父母交谈，可知是选择时机，一般过去时，choose 的过去式是 chose, 故填 chose 。（ 5）句意：在几次游说下，她的父母终于

23、同意了陈的意见。副词修饰动词agreed，finally ，终于，是副词， 故填 finally 。（ 6）句意：美国杂志最近重点调查了该国15216 名 6-12 岁的儿童。基数词1521 后是名词复数，故填kids 。（ 7）句意：当你想和你的父母谈论重要的事情，最佳时间是什么时候？best 是最高级，故此处缺少定冠词the,故填the。（ 8）句意：睡觉时间是其次。根据followed by time 接着是时间，可知此处表示顺序，故用序数词，two 是基数词，second 是序数词，第二， 故填 second 。（ 9）句意：中国青少年似乎也有类似的处理问题的倾向。teenagers

24、是名词其前是形容词，China是名词，中国， Chinese是形容词，中国的 ，故填Chinese 。（10）句意：浙江的一份报纸，了一个调查。a survey of,固定搭配，的调查，故填of。【点评】考查语法填空，注意谓语的时态，词性，连词搭配等多种用法。4 阅读下面短文，在空白处填入一个适当的词或填入括号中所给单词的正确形式。Friends are important to everyone, , some people may have trouble （ keep ） their friendships. Here are some tips on how to make your

25、friendship （ deep ） and stronger. Be yourself. A lot of teens try not to lose the friendship once they become friends with some people. Though your identity （身份）is always changing, some of your personality will staypretty much same. Find out those things are, think hard about who youwant to be, and

26、then show yourself （ honest） to the people around you. Avoid gossip （八卦）. Friends shouldn't spread rumors （谣言）about other friends. Ifyou've heard something bad about your friends, （ find ） a proper way of asking themabout it by （ you） . If you're not sure how to talk to them about it, as

27、k a trustedfriend for advice. Protect your friends. Very often, somebody that you're not close to doubts one of your （ friend ） . It's important to find out both sides of the story, but it's also a good chanceto show your friend that you trust him by telling him. Return the care. There a

28、re times when a friend will lend you a textbook, or a shoulder to cry on. A good friend will cheer you up when you're in trouble and listen patiently when your friend shares a problem you. Be sure you are as helpful as your friend, because he will takenotice and feel good you.【答案】however；keeping

29、；deeper；the；what；honest；find ； yourself；friends；with【解析】【分析】大意：文章主要提出了使友谊变得深厚、坚固的四个建议。（ 1）句意：然而，有些人可能在保持友谊上有麻烦。根据上文Friends are important toeveryone 朋友对每个人都很重要，可知此处为转折，然而有些人可能在保持友谊上有麻烦，应用转折连词however。故答案为however。（ 2）句意：有些人可能在保持友谊上有麻烦。根据固定搭配have trouble doing sth. 做某事有麻烦，可知此处应用动词 keep的ing形式keeping。故答案为

30、keeping。（ 3）句意：这里有一些在如何使你的友谊更深厚、更坚固的提示。根据并列形容词比较级stronger更坚固，可知此处应用形容词deep的比较级deeper。故答案为deeper。（ 4）句意：尽管你的身份总是在改变，你的一些性格基本上会保持一样。根据形容词same, 一样的，可知此处应填定冠词the。故答案为the。（5）句意：找到那些东西是什么。根据宾语those things ,那些动词，可知应用疑问词what。故答案为what。（ 6）句意：然后向你周围的人诚实地展示你自己。根据副词修饰动词，可知此处应用形容thonest的副词形式 honestly修饰动词show。故答案

31、为 honestly。（ 7）句意：找到一个合适的方式问他们。根据下文If you're not sure how to talk to themabout it, ask a trusted friend for advice. 如果你不确定如何和他们讨论，问一个你信任的朋友要建议，可知此处应用动词原形引导祈使句表劝告。故答案为find。（8）句意：找到一个合适的方式自己问他们。根据固定搭配，by oneself,自己，可知应用代词you的反身代词yourself,故答案为yourself。（9）句意：某个你不亲近的朋友怀疑你的一个朋友。根据固定搭配，one of+可数名词复数，可知

32、此处应填名词friend的复数形式friends ,故答案为friends。（10）句意：当你的朋友和你分享一个问题。根据固定搭配，share sth. with sb.,和某人分享某物，可知此处应填介词with ，故答案为with 。【点评】考查语法填空，注意根据单词在语境中的词性进行必要的变形，同时熟记固定搭配和基本句型。5 根据短文内容及所给提示，补全文中单词或用所给单词的正确形式填空。Anna was a 9-year-old girl from a small village. It was the （ one） day of her schoolin town. W seeing

33、her simple clothing and knowing her identity （身份）, otherstudents laughed at Ann. Then the teacher told everyone to write d the 8 wonders ofthe world. Everyone except Anna handed in （ they）answer papers. The teachercame to her, "Don't worry. Just write. you have known. "Anna replied &qu

34、ot;There are somany （ thing） Which 8 wonders can I pick to write?"Most students answered （ correct） -the Great Green Wall of China, the GreatPyramid of Giza, the Leaning Tower of Paris Finally the teacher （start） reading Anna's answer, "The 8 wonders: To be able to see. To be able to H

35、ear, To Feel, Laugh, Think, Be Kind, Love and Learn! "The whole class kept （ silence） .The girl from a small village reminded them the precious （宝贵）gift in their life,which were true wonders.【答案】first； When； down ； their； What； things； correctly ； started； silent； of【解析】【分析】文章大意：课上老师让学生写出世界上的八大

36、奇迹，一个来自农村的小女孩的答案与众不同，他的答案提醒了我们生活中真正的礼物是什么。那才是真正的奇 迹。（ 1）句意：这是她在镇上上学的第一天。根据the 可知应会使用序数词，one 的序数词为first,故答案是first。（ 2）句意：当看到她简单的服装并且知道她的身份时，其他同学就嘲笑她。根据两个句子的意思可知，该句是一个时间状语从句，根据首字母w 可知应会使用when ，故答案是When。（ 3）句意：老师然每个人写下世界上的八大奇迹。write down 固定短语，记下，写下，故答案是down 。（ 4）句意：除了安娜每个人都把他们的答卷交上去了。they 在这里作定语修饰answe

37、rpapers,因此应使用形容词性物主代词their,故答案是their。（ 5）句意：就写你所知道的。句子为宾语从句空缺处作从句的宾语，应使用从属连词what,故答案是what。（ 6）句意：安娜回答到：有那么多的东西，我从中选八个吗？根据many 可知 thing 应使用复数形式things ,故答案是things 0（7）句意：大多数同学回答正确。correct在这里修动词answered,应使用副词形式，correct 的副词形式为correctly ，故答案是correctly 。（ 8）句意：最后，老师开始看安娜的答案。本文的基本时态是一般过去式，在这里应使用start的过去式st

38、arted ,故答案是 started。（ 9）句意：全班都保持沉默。kept 在这里是连系动词，后面跟形容词作表语，因此将silence 改为 silent,故答案是 silent。（ 10 ）句意：这个来自乡村的小女孩提醒我们生活中宝贵的礼物，那才是真正的奇迹。remind of 提醒，固定搭配，故答案是of。【点评】考查词汇在语篇中的运用能力，答题时首先要跳过空格通读文章掌握大意，然后细读文章字斟句酌逐一作答，注意考虑句型、语法、搭配、语境等因素，最后通读一遍检查验证。6 阅读下面短文，根据语境、音标或所给单词的提示，在每个空格内填入一个恰当的词， 要求所填的词意义准确、形式正确，使短文

39、意思完整、行文连贯。Dear readers,Once, I had to call the firefighters to put out a fire. I still remember how fast it made my heart beat, it was a small fire. I was glad and thankful when the firefighters put it out q quick).Firefighters help in all kinds of sudden serious and (danger) events or situations. I

40、 saw firefighters carrying people from their flooded homes while (watch) the news today. Often, they are the first helpers when accident happens. Some firefighters trainto help people and pets that fall into frozen lakes. To prepare for real-life rescue like this one, they must practice putting ice

41、suits, working with ropes, and using hand signals tocommunicate. If you want to learn more about these (/bre?v/) men and women, read the articleDanger! Rescue on Thin Ice.Where would we be without the first helpers? Maybe youll (/d 3 s ?un/me this month in finding a way to thank them. Giving a card,

42、 a drawing, or a plate of cookies to your local fire (/'ste?n/)could be the start of a new tradition for your families andour ( hero) will be thankful for it.Happy holidays!Your friend,Christine 【答案】 though/although ; quickly ; dangerous; watching; an; on; brave; join; station ; heroes【解析】【分析】(1

43、)句意：我仍然记得它使我的心跳得有多快，尽管那是个小火。根据 两句话的意思是转折，故填 though/although 。(2)句意：当消防员迅速扑灭时，我很高兴也很感激。被填的的词修饰动词词组putout,应用副词， quick的副词quickly。故填quickly。(3)句意：消防员在各种突发的严重和危险事件或情况中提供帮助。名词events orsituations事件或情况前用形容词，danger的形容词 dangerous ,故填 dangerous。(4)句意：我今天看到消防员从被淹的房子里抬着人看新闻。固定搭配while doing当做某事的时候， watch的现在分词 wat

44、ching ,故填 watching 。(5)句意：当事故发生时，他们往往是第一批帮助者。可数名词单数前应用a/an, a用在辅音读音开头白的单词前，an用在元音读音开头的的单词前；故填an。(6)句意：他们必须练习穿上冰衣。固定搭配，put on ,穿上，故填on。(7)句意：如果你想更多地了解这些勇敢的男人和女人，读这篇文章。根据音标/bre?v/可知是brave勇敢的，故填brave 。(8)句意：也许这个月你会和我一起感谢他们。根据音标/d 3 9 ?un知应是join,加入，故填join。(9)句意：送一张卡片，一张画，或者一盘饼干到当地的消防站可能是你的家人新传统 的开始。 根据音

45、标/'ste?n/,可知 是station ,站，故填 station。(10)句意：我们的英雄会感激它的。根据上 文helpers是复数，他们是英雄，hero的复数是 heroes ,故填 heroes。【点评】本题考查单词在语境中的运用，需要根据单词在语境中的词性进行必要的变形， 同时熟记固定搭配和基本句型。7 阅读下面短文，在空白处填入一个适当的词，或填入括号内所给单词的正确形式(每空 最多不超过3个单词)。Thomas Edison was a great American (invent) .When he was child, hewas always asking que

46、stions and trying out new ideas. No matterhard it was, he nevergave up.Young Tom was in school for only three (month ) . His teacher didn't understand why he had so many strange questions. Most of (they) were not about his lessons. The teacher didn't want to teach Tom any more. He asked Tom&

47、#39;s mother to take the boy home. Tom's mother taught him (read) and write, and she found him a very good student. He learnt very fast and became very (interest) in science.One day, he saw a little boy ( play) on the railway tracks (铁轨) at a station. A train was coming near quickly, and the boy

48、 was too frightened (恐惧) to move. Edison rushed out and took him away (safe) . The boy's father was so thankful that he taught Edison to send messages telegraph (电报)【答案】 inventor; a; how; months ; them; to read; interested ; playing; safely; by【解析】 【分析】这篇短文简要介绍了著名发明家爱迪生的生平，他因为发明了电灯，从 而改变了人们的生活。并

49、且短文详细描述了爱迪生的人格特点。(1)句意：托马斯 爱迪生是一位伟大的美国发明家。根据 a great American是形容词，故 前后是名词单数，invent是动词，名词是inventor。故填inventor。(2)句意：当他还是个孩子的时候，他总是问问题。child是以辅音音素开头的单数名词，故用不定冠词 a表示泛指。故填 a。(3)句意：无论多么困难，他都不会放弃。hard是副词，根据语序it was可知，nomatter how表示"无论如何"的意思，引导让步状语从句。故填 how。(4)句意：小汤姆只上了三个月的学。基数词three后用复试形式 months

50、。故填months。(5)句意：他问的问题大部分都与他的功课无关。of是介词，其后应该要用宾格形式，they的宾格是them。故填them。(6)句意：汤姆的母亲教他读写。taught是teach的过去式，教某人做某事teach sb. todo sth.,故填 to read。(7)句意：她妈妈发现他是个很好的学生。他学得很快，对科学很感兴趣。对什么感兴趣 be interested in sth. 是个固定短语搭配。故填interested 。（ 8）句意：一天，他看到一个小男孩在火车站的铁轨上玩耍。saw 是 see 的过去式，看到某人在做某事应为see sb. doing sth.,故

51、填 playing。（ 9）句意：一列火车很快就要开过来了，男孩吓得不敢动。爱迪生冲过去把他带到了安全的地方。took 是 take 的过去式，take 是动词应该用副词来修饰，safe 是形容词，副词是safety。故填 safely。（ 10）句意：这个男孩的父亲非常感激爱迪生，教他用电报发送消息。by 通过某种方法、手段。表示传达、传递的方式或媒介。故填by。【点评】考查语言综合运用能力，注意名词复数，词性，介词，和see sb. doing sth 的固定搭配等多种用法。8 阅读下面短文，根据语境、音标或所给单词的提示，在每个空格内填入一个恰当的词， 要求所填的词意义准确、形式正确，使

52、短文意思完整、行文连贯。In recent years, with the development of technology, many popular apps have been produced. These days, an app has （ catch）great attention. It is Douyin, a video sharing app.Douyin （ one） appeared in 2016. Now it is many people's favorite app, （ especial）the young.With Douyin, users c

53、an record videos, edit （编辑）them and share them online. It is very easyand interesting. We can record our videos with our friends with just a tap on the mobile phone skri?n. What's more, it's a great way to spend our free time browsing （浏 览） through those film videos., every coin has two side

54、s. The app also has bad things. Some people spend long hours on the app, which is to their health. What's （ bad） , users can alsofind some bad things on the app. Such thing is unsuitable and meaningless.In my opinion, Douyin should monitor videos before they are uploaded （ 上 传 ） , in ?d?（ r） to

55、keep a healthy environment for its users. Douyin is not good for?ti?ne?d?z. We should not use it too often.【 答 案 】 caught ； first ； especially； screen； in ； However ； harmful ； worse ； order ； teenagers.【解析】【分析】大意：近年来，随着技术的发展，已经产生了许多流行的应用程序，抖音就是其中之一。本文主要介绍了抖音的好处和坏处。（ 1）句意：最近，一个应用程序引起了极大的关注。根据时间状语The

56、se days 可知，动作过去发生持续到现在，本句的时态应为现在完成时：has/have+动词的过去分词。catch的过去分词为 caught。故答案为：caught。（ 2）句意：抖音于2016 年首次亮相。根据appeared in 2016 可知，抖音应该是于2016 年首次亮相，因此用序数词。one的序数词是first。故答案为：firsto（ 3）句意：现在它是很多人最喜欢的应用程序，尤其是年轻人。根据Now it is manypeople's favorite app, 现在它是很多人最喜欢的应用程序。可知，应用副词especially 特别 “是 ”来陈述某一事实之后，

57、列举一个具有代表性的例子，作进一步强调。故答案为：especially。（ 4）句意：只需在手机屏幕上轻轻一点，我们就可以与朋友录制视频。根据音标skri?n提示可知，本空为名词 screen。介词短语 on the mobile phone screen ,表 在手机屏幕上“。故答案为：screen。（ 5）句意：更重要的是，这是一个花我们的空闲时间浏览那些电影视频很好的方式。根据固定搭配spend time/money （in） doing sth.花费时间（金钱）做某事，可知本空应填 介词in。故答案为：in。（ 6）句意：然而，事情都有两面性。根据下文The app also has bad things. 这个应用程序也有坏处，可知这一段提到了该应用程序的缺点，那么上文提到的是优点，因此用However 来表示转折“然而 ”。故答案为：However。（ 7）句意：有些人花很长时间在应用上，这对他们的健康有害。根据上文Some peoplespend long hours on the app, 有些人花很长时间在应用上，可知这对健康是有害的。根据固定搭配be harmful to有害于“，可知本空应填形容词harmful。故答案为：