2020年高考模拟试题及答案

1、2020年高考模拟试题及答案（考试时间：120分钟 试卷总分值：150分）考前须知：.答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。.回答选择题时，选出每题答案后，用铅笔把答题卡上对应题目的答案标号涂黑。如需改动，用橡皮 擦干净后，再选涂其他答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。.考试结束后，将本试卷和答题卡一并交回。第一局部 听力（共两节，总分值30分）做题时，先将答案标在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡 上。第一节（共5小题;每题L5分,总分值7.5分）听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项

2、中选出最正确选项。听完每 段对话后，你都有1。秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。例:How much is the shirt?A. 19. 15.B. 9. 18.答案是C o1. What does the woman think of the movie?C. 9. 15.A. Its amu疝丸VB.Its exciting.C. Ifs disappointing.2. How will Susan spend mostof her time in France?A. Traveling around.B. Studying at a schooLC. Loo

3、king after her aunt.3. What are the speakers talking about?A. Going out.B.Ordering drinks.C. Preparing for a party.Where are the speakers?A. In a classroom.B.In a library.C. In a bookstore.What is the man going lo doA. Go on the Internet.A. Go on the Internet.B.Make a phone call.C. Take a train trip

4、.第二节（共15小题；每题1.5分，总分值22.5分）1 /18表示“轻便的，手提的得应选3.B 推理尹斯题。根据 Try to make e hok in a damp area to increasf the water catcher *s productivit* 可知最好 在潮湿的地方挖洞，以提高接水器的工作效率。“接水器”指的是在潮湿的地方挖洞，在洞的底部放一个杯 子，杯子上方用腰覆盖，整个装匿构成接水器，而不是某个局部。这一题很容易错选D,但是就算在干燥 的地方挖洞，杯子也可以接水，杯子接水的事实并不会因为周围环境的变化而变化，杯子的工作效率是不 变的。应选.C 细节理解题 o

5、根据第三段 Next cover the hole with the p：astic sheet, securing the edges of e plasiic with dirt and weighting the sheet s center down with a tock可知最后一步是 weighting the sheets center down with a rock（放一块石头在覆羞膜的中间把它压下去），应选C。D 推理判断题。结合第四段中的 Ground water evaporates 灌发）and collects on the sheet until small dr

6、ops of water forni run dm the material and fa二off mto the cup可知地下水蒸发,在覆盖膜上聚集起来,直到形成小 水滴落在杯子里，覆盖膜是在杯子上面的，水滴落入杯子里，所以水滴是凝聚在覆盖膜的下面。应选D。 第二节（共5小题；每题2分，总分值10分）根据短文内容，从短文后的选项中选出能填入空白处的最正确选项。选项中有两项为多余选项。If anyone had told me three years ago that I would be spending most of my weekends camping, I would laugh

7、ed heartily. Campers, in my eyes, were people who enjoyed insect bites, ill-cooked meals, and unco sleeping bags. They had nothing in common with ime.The friends who introduced me to camping thought that it meant to be i37pioneer.We sleep in a tent,cooked over an open fire, and walked a long distanc

8、e to take the shower and use the bathroom. This brie Mother Nature cost me two days off from work, recovering from a bad case of sunburns :billlhefc:（i:（my son food poisoning.I was, nevertheless, talked into going on another fun-filled holiday in38the wilderness.Instead, we hada pop-up camper with c

9、omfortable beds and an air conditioner. My nature-loving friends had remembered t all the necessities of life.We have done a lot of it since. Recently, we bought a twenty-eight-foot travel trailer compl bathroom and a built-in TV set. There is a separate bedroom, a modern kitchen with a refrigerator

10、. The has matching carpet and curtains.It must be true that sooner or later, everyone finds his or her way back to nature. I recommyou find your way in style.10 /18This time there was no tent.Things are going to be improved.The trip they took me on was a rough one.I was to learn a lot about camping

11、since then, however.I must say that I have certainly come to enjoy camping.After the trip, my family became quite interested in camping.There was no shade as the trees were no more than 3 feet tall.【答案】. D根据前文可知三年前作者认为露营和自己无关，而后文中说明作者热爱露营，暗示此处作者对待露营 的情感态度应该出现转变。D选项中的加wrver表示转折q其次，If anvcne had told

12、me three years ago that I would be spending most of my weekends camping暗示作者态度的转变就在三年前，D选项中的since then 自 从那B寸候起”和前文时间口切合。应选Do.C 根据t Nt slep in a tent, cooked over an open fire: and walked a long distance to take the shower and use the batinoom可知作者第一次霭营条件很又艮苦,C选顼The trip they took me on was a rough on

13、e.中的rough Bg 示了这一点，符合语境。应选C。3S A 根据We sleep in a tenL cooked over an open fire, and t alked a long distance to take the shower and use the b血oom可知作者第一次露营时住帐篷，露天生火做饭，走很远的距离去洗澡、上厕所，条件很费苦， 而后文中 Insteal we had a pop-up camper vcth comfortable beds and an air condirioner 说明作者第二次露营有 床有空调。A选项This time ther

14、e was no【em ”这次没有帐蓬了”暗示作者进行了第二次霰营，而且条件比 较好，符合语境。应选A。F 根据后文 we bought a nvcnnr-eight-foot travel trailer complete with a bathroom and a built-in TV set. There is a separate bedroom, a modem kitchen with a refrigerator. The trailer even has matching carpet and curt am，可知 作者一家为了露营买了房车，里面设备齐全，说明作者一家人是喜欢

15、露营的e F选I页After the tnp, my family became quite mierested m camping（那;欠露营之后，我的家人开始对露营感兴趣）符言语境，应选F。E 根据后文 It must be true that sooner or later, everyone finds his or her way back to narure. I recotumend that you find your way m style.可知作者希望岳个人能找到适合自己的回归自然的方法，而根据前文可知作者回归 自然的方式就是惠营& E选项I must say that I

16、 have certainly comu io enjoy camping.（我必须得成认我直的开始 享受露营）既是对文童第一段中作者态度转变的一个总结，也很好地衔接了后文6应选口第三局部语言知识运用（共两节，总分值45分）11 /18第一节 完形填空（共20 /J 题；每 题1.5分,总分值30分）阅读下面的短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最正确选项， 并在答题卡上将该项涂黑。While high schooldoes not generallyencouragestudentsto explorenew aspectsof life,collegese

17、tsthe stage for thatexploration.I myself went through this41 processand found something thathaschanged my42at collegeforthebetter: I discovered ASL-American Sign 美式芈手语）.I never felt an urge to43anysign language before. My entire family ishearing,and so are allfriends.The44languagewereenough in allmy

18、 interactions（交往）.Littledid I knowthatl woulddiscover my45for ASL.The 46 began duringmy firstweek at college.! watched as the ASL Club47 theirtranslalionof a song.Both thehand movements and thevery48of communicatingwithoutspeaking49 me. What I saw was completely unlike anything I had experienced ii5

19、0 the .This newness just left me 51 more.After that, feeling the need !to further, I decided to drop in on one of ASL clubs meetings. I o learned how to 53 the alphabet that day. Yet instead of being discouraged54by my progress, I was excited. I then made it a point55 to those meetings and learn all

20、 I could.The following term, I 56 an ASL class. The professor was deaf and any talking 57wasIsoon realized that the silence was not unpleasant.58, if there had been any talking, it would have59 us to learn less. Now, I appreciate the silence60and theway of communication it opens.41. A. searchingB. p

21、lanningC. naturalD.formal42. A. progressB. experienceC. majorD.opinion43. A. chooseB. readC. learnD.create44. A. officialB. foreignC. bodyD.spoken45. A. loveB. concernC. goalD.request46. A. meetingB. tripC. storyD.task47. A. recordedB. performedC. recitedD.discussed48. A. ideaB. amountC. dreamD.reas

22、on49. A. disturbedB. supportedC. embarrassedD.attracted50. A. endB. pastC. courseD.distance12 /1851. A. showingB. actingC.sayingD. wanting52. A. exerciseB. exploreC.expressD. explain53. A. printB. writeC.signD. count54. A. slowB. steadyC.normalD. obvious55. A. chairB. sponsorC.attendD. organize56. A

23、. missedB. passedC.gave upD. registered for57. A. prohibitedB. welcomedC.ignoredD. repeated58. A. LastlyB. ThusC.InsteadD. However59. A. requiredB. causedC.allowedD. expected60. A. easyB. popularC.quickD. new【答案】A考查形容词说析。seaiching寻找的，探索的j planning计划的natural自然的；foima：正式的。句意； 我自己经历了这个探索的过程。根据前文 V.*hil

24、e high school does not generally encourage students to explore new aspects of life,college sets the stage for at exploration可知大学为探素提供了舞台，所以这里指的是作 者“探索”的过程。应选A。B考查名词辨析。piogreK进步expenence经历，主修课目；opinion观点。句意：我发现有些东 西改变了我的大学生活经历。应选BoC考查动词精析。choose选怪j read看，读j kani学习j create创造句意；我以前从没有过学习手语 的冲动。应选C。D考查形

25、容词辨析。official官方的；foreign外国的；body肢体的；spoken 口语的。根据前文My entire family is hearing, and so are all时可知作者的家人及朋友都可以听得到，因此作者认为在平时的交流friends. 中，口语就足够了。spoken language 口语。应选D。A考查名词辨析。love热爱；concern关心，顾虑；goal目标；request请求。句意：我没想过我会发现自 己对美式手语的热爱。前文中I never felt an urge to43 any sign language befo代说明作者以前从未想过学习手语，

26、而根据后文内容可知作者非常喜欢手语。应选A。C考查名词辨析。meeting会议；trip旅行；story故事；task任务。句意：故事发生在我上大学的第一周 分析语境可知在这里作者开始讲述在大学学习手语的事情，应选C。B考查动词辨析。record记录；perform表现，表演；recite背诵；discuss讨论。句意：我观看他们在 ASL俱乐部表演一首歌的翻译。分析语境可知ASL俱乐部是手语俱乐部，应该是在用手语表演一首歌。故13 /18 选B。坞A考查名词辨析。疝a想法j amount数量,dream梦想,reason原因。句意：手部的动作和不用语言进 行交情的想法吸引了我，分析语境可知作

27、者当时在看手语表演，而手语就是为了帮助交流而设计的手势。 应选A、D考查动词评析q disniib打搅j support支持j embanks使难堪j凯tract 口及弓|。分析语境可知ASL俱乐部的表演吸引了作者，否那么作者也不会去学习手语。应选D。B考查名词箫析。end结束，末尾；past过去；course课程j distance距离。句说我所看到而口我在过 去经历的事情完全不同。固定短语in the past在过去。应选B。D考查动词辨析。show展示；act行动；say说；want想要。句意：这种新奇的感觉使我想了解更多。 分析语境可知作者被手语吸引，想要进一步了解，所以也有了后文中的

28、参加手语俱乐部的会议，上手语课 的经历。应选D。B考查动词辨析。exercise锻炼；explore探索；express表达；explain解释。句意：在那之后，我感觉到 想要探索更多关于手语的东西，我参加了 ASL俱乐部的一次会议。应选B。C考查动词辨析。print打印；write写；sign签名，打手势；count数。句意：那天我只学会了写字母表。 分析语境可知作者第一次参加手语俱乐部的会议，学会的应该是最基本的写字母表。当然，打印字母表、 在字母表上签名、数字母表和学习手语都没有联系。应选C。A考查形容词辨析。slow缓慢的；steady平稳的；normal正常的；obvious明显的。

29、句意：我并没有因为 缓慢的进步而沮丧，相反我很兴奋。因为作者只学会了写字母表，所以进步是很慢的。应选A。C考查动词辨析。chair主持，使入座；sponsor赞助；attend参加；organize组织。句意：我下定决心参加俱乐部所有的会议去学习我能学习的一切。attend meeting参加会议。应选C。D考查动词辨析。miss错过，想念；pass通过；give up放弃；register for报名注册。句意：接下来的一 个学期，我报名上了 一个手语班。应选D。A考查动词辨析。prohibit禁止；welcome欢迎；ignore忽视；repeat重复。句意：教授的耳朵听不见， 任何口语交

30、流都是禁止的。根据后文if there had been any 0可知在课堂上没有口语交流。应选A。C考查副词辨析。lastly最后，终于；thus因此，如此；instead反而；however然而。句意:反而，如果 当时有口语交流，学科*网那只会造成我们学的手语更少。根据前文I soon realizedthatthesilencewas not unpleasant可知作者很快意识到安静并不是令人不愉快的。反而有口语交流会影响手语的学习。应选C。B考查动词辨析。require要求；cause造成；allow允许；expect期待。句意：如果当时有口语交流，那只会造成我们学的手语更少。应选

31、B。14 /18D考查形容词辨析。easy简单的；popular受欢迎的；quick快速的；new新的。句意：现在我很感激当 时的安静并且享受它带来的一种新的交流方式。分析语境可知手语对于作者来说是一种新的交流方式，故 选D。第二节(共10小题；每题1.5分，总分值15分)阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。There has been a recent trend in the food service industry toward lower fat content and less salt.which was started by the medical

32、om (医学界) 61 a method of fighting heart disease, has had some unintended side 62 (effect) such as overweight and heart-fawthe very thing the medical community was trying to fight.Fat and salt are very important parts of a diet. They are63required(process) the food that we eat, to recover from injury

33、and for several other bodily functions. When fat64and (remove)salt from food, the food tastes as if is missing something.65As result, people will eat more food to try to make up for thasomethingmissing.Even 66(bad),the amount of fastfood thatpeopleeatgoes up. Fastfood67(be) full of fat and salt;68by

34、(eat) more fast food people will get more salt and fat than they need in diet.Having enough fatand saltin your meals willreducethe urge to snack(吃点) between meals and will improve the taste of your food. However,69be(care) not to go to extremes. Like anything, it is possibl have too much of both, 70

35、 is not good for the health.【答案】61. as61. as介司。句意:这一趋势最初始于医学界作为一种对抗心脏病的方法。as表示“作为，以身份”,故填好。effects考查单复数。分析语境可知作者表达的意思是“一些不为人知的副作用，根据前文的some可知 sideeffect”（副作用）有彳艮多，故填effects。to process考查不定式句意；他们被要求加工食物 requn表示要求”，requuu sb.io do处.表示“要 求某人做某事”，被动形式为sb.beieqmredio do处.”（某人被要求做某事）故填to process。areiemoved

36、考查被动语态。句意；当脂肪和盐分从食物中襁去掉。分析可知fat,l和move之间是被 动关系，脂肪和盐分是两种东西，且是被人们去掉，所以用被动语态。故埴are removed。a考查冠词。固定短语asaresull表示“结果”。句意：结果，人们将吃更多的食物去弥补损失的东西。故填ao15 /18worse考查比拟级。句意：更糟糕的是，人们所吃快卷的数量增加了。故填斐。67考查主谓一致。句意：快餐食物中酒是脂肪和盐。fastfood的意思是“快餐”，表示一类食物，为不 可数名词，清语动词用单数形式。故埴isoeating考查动名词。句意：通过吃更多的快餐，人们将在饮食中摄入超过需求量的脂肪和盐。

37、根据前文 中的by可知此处应该填名词、动名词，所以填eatmg。careful考查形容词。句意；然而，注意不要走极端。分析语境可知Z后面应该用形容词作表语，故填 caiefiilowhich考查非限制性定语从句。句意：很可能摄入过多的脂肪和盐，那对健康没有好处。分析可知which is not good far the health为非限制性定语从句，先行词是前面的整句话。第四局部写作（共两节，总分值35分）第一节 短文改错（共10小题；每题1分，总分值10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错 误，每句中最多有两处。每处错误仅涉及一个单

38、词的增加、删除或修改。增加：在缺词处加一个漏字符号（A）,并在其下面写出该加的词。删除：把多余的词用斜线（）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。 注意：.每处错误及其修改均仅限一词；.只允许修改10处，多者（从第11处起）不计分。In the summer holiday following my eighteen birthday, I took driving lessons. I still remember how day was. Before getting into the car, I thought I had learned the instruct

39、ors orders, so once I start mind goes blank, I forgot what he had said to me altogether. The instructor kept repeating the word,“ Slowdown-Tbmingleftn was so much nervousthatl could haidlytellwhich directionwas leftA few minutes late, the instructor asked me to stop the car. It was a relief and I ca

40、me to a suddenly stop ju on the road.【答案】eighteenIn the summer holiday following myeighteentheighteenIn the summer holiday following myeighteenthbirthday, I took driving lessons. I still remember how16 /18sobut/yetonce I startedthe car,my mindgoeswentblank.I fbrgotwhat he had said to me altogdha:The

41、hard the/myhard the/myfirstday was. Before gettingintothe car,I thought I had learnedthe instructor borders,instructoikeptrepeatingtheword,“Speedup!Sk)wdown!% w ordsTurning、 left !Fwas so mucT nervousTurnthat I could hardly telllatewhich direction was left. A few m, the-4fttrtiuctor asked me to stop

42、 the car. Itlatersuddenlyonwas a relief and I came to a stop just in the middletbp road,sudden of第一处；eighteen改为eighteenth考查数词。句造；在我十八岁生日后的那个器假。eighteen意思为十八, 十八个“，表示数量j eighieenth表示第十八个的”，故将eighteen改为dghlErth。第二处：first the my考查冠词。句意：我依然记得第一天是多么艰难，句中特指开始学驾照的第一天, 所以在first前加上the。也可以加上my, my fk。day表示“我（

43、学驾照）的第一天”，故在firsl前加thf或mv。第三处：so改为but yet考查连词。根据句意可知作者本以为自己已经掌握了教练的话，结果一发动车，脑 中一片空白，前后文为转折关系,故将so改为but或yeu 第四处：goes改为went考查时态。根据前文中的started可知时态为一般过去时，故将goes改为went。第五处：word改为words考查单复数。句意：教练一直喊加速！ ”减速！3左转！word单词，消息”，words可以表示为word的复数，也表示某人说的话，这里指教练说的那些话，故，仔word改为words。第六处：Turning改为Turn考查非谓语动词。分析语境可知教

44、练的闲加速减遛，”猱都是祈使句，根据前文“Speed up!” “Slow蜘也可以看得出来。祈使句应该用动词原形，故将Turning改为Turn。第七处：much去掉 考查固定句型。句意：学&科网我如此紧张以至于无法分辨哪个方向是左。固定句型sothat表示加此以至于，much为多余成分，故将much去掉。第八处：late改为later考查副词。late在此作副词，late迟地”，later稍后、随后二此处表示71分钟之后，故的ate改为la*第九处：suddenly改为sudden考查形容词。句意:我来了个紧急刹车。suddenly是副词，表示“意外地， 忽鼬sudden为形容词，表示突然的

45、；迅速的，修饰名词stop用形容词，故将suddenly改为sudden。a sudden stop 表示献阵第十处：on改为of考查介词。分析语境可知此处表示在路中间急刹车、on the就表示梅彷二themiddle of the M表示路的中央”，强调的是“the middle%故将on改为of。17 /18第二节书面表达(总分值25分)假定你是李华，正在教你的英国朋友Leslie学习汉语。请你写封邮件告知下次上课的计划。内容包括:(1)时间和地点；(2)内容：学习唐诗；(3)课前准备：简要了解唐朝的历史。注意：.逢妇00左右；.可以适当增加细节，以使行文连贯。(略)18 /18听下面5段

46、对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最正确 选项。听每段对话或独白前，你将有时间阅读各个小题，每题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料，回答第6、7题。6. What is the woman looking for?A. An information office.B. A police station.What is ttTown Guide according to the man?A. A brochure.B. A newspaper.听第7段材料，回答第8、9题。What does the man

47、say about the restaurant?Its the biggest one around.It offers many tasty dishes.Its famous for its seafood.What will the woman probably order?A. Fried fish.B. Roast chicken.听第8段材料，回答第10至12题。Where will Mr. White be afdrfl 1 oC. A shoe repair shop.C. A map.C. Beef steak.A. At the office.B. At the airp

48、ort.What will Mr. White probably do at one in the afternoon?A. Receive a guest.B. Have a meeting.When will Miss Wilson see Mr. White?C. At the restaurant.C. Read a report.A. At lunch time.Late in the afternoon.The next morning.听第9段材料，回答第13至16题。Why is Bill going to Germany?A. To work on a project.B.

49、To study German.What did the woman dislike about Germany?A. The weather.B. The food.C. To start a new company.C. The schools.What does Bill hope to do about his family?A. Bring them to Germany.2 /18B. Leave them in England.C. Visit them in a few months.B. Leave them in England.C. Visit them in a few

50、 months.What is the probable relationship between the speakers?A. Fellow-travelers.B. Colleagues.听第10段材料，回答第17至20题。When did it rain last Juareztime inC. Classmates.A. Three days ago.What season is fJuaiez?A. Spring.B. A month ago.B. Summer.What are the elderly advised to do?Take a walk in the aftern

51、oon.Keep their homes cool.Drink plenty of water.What is the speaker doing?Hosting a radio program.Conducting a seminar.Forecasting the weather.C2. A3. C4. B5. A6. CB12. C13. A14. B15. A16. BAB17. CC. A year ago.C. Autumn.18. ACB19. C20.A第二局部 阅读理解（共两节，总分值40分）第一节 供15小题；每题2分，总分值30分）选出最正确选项。阅读下歹U短文，从每题所

52、给的A、B、C和D四个选项中,Pacific Science Center GuideVisitPacific Science Centers StoreDon t fbrgetto stopby PacificScienceCenter Storewhile you are here to pickup a wonderfulscienceactivity or souvenir to remember your visit. The s帆位于)is upstairslocated( in Building 3 right next to the LaseDome. Hungry?3 /18

53、Our exhibits will feed your mind, but what about your bocTbfoOur cafecomplete menu of lunch and snack options, in addition to seasonal specials. locatedThe cafeupstairs in Building 1 and is open daily until hour Pacific Science Center closes.Rental InformationLockers are available to store any belon

54、gs during your visit. The lockers are located in Building 1 Information Desk and in Building 3. Pushchairs and wheelchairs are available to rent at the Information Denny Way entrance. ID required.Support Pacific Science CenterSince 1962, Pacific Science Center has been inspiring 热雨微耐for discovery an

55、d lifelong learning in science, math and technology. Today, Pacific Science Center serves more than 1.3 million people a year inquiry-based science education to classrooms and community events all over Washingtons an amazingState. It accomplishmentand one we cannotachievewithoutgeneroussupportfrom i

56、ndividuals,coiporations,and other social organizations. Visit to find various ways you can support Pacific Scien 21. Where can you buy a souvenir at Pacific Science Center?In Building 1.In Building 3.At the Laser Dome.At the Denny Way entrance.What does Pacific Science Center do for schools?Train sc

57、ience teachers.Distribute science books.Inspire scientific research.Take science to the classroom.What is the purpose of the last part of the text?To encourage donations.To advertise coming events.To introduce special exhibits.To tell aboutathe shistory.4 /18t答案】B 细节理解题个根据第一段中的The suns is ：ocaiedi：位

58、于）upstairs in Building 3 right next to xhe Laer Dome. 可知Pacific SaenceCmter的购物点在Laser Dome旁边的3号楼的楼上应选BoD 细节理解题。根据第四段中的 Today Pacific Science C-entei serves more than 1.3 million people a ye.ar and brings inquin?-based science education to classrooms and immunity events all over Washington State 可中DJ

59、见在 Pacific Science Center每年向130多万人提供服务，并开始把科学教肓带到教室。应选D。A 目的省图题b 根据文宣最后一段中的“sit to find various uay you can support Pacific Science Ont可知作者呼吁读者支持Pacific Science Center,也就是鼓励人们为之提供帮助、做贡献， 应选A。BI work with Volunteers for Wildlife, a rescue and education organization at Bailey Arboretum in Loc Trying t

60、o help injured, displaced or sick creatures can be heartbreaking; survival is never certain. Ho works, it is simply beautiful.I got a rescue call from a woman in Muttontown. She had foundthe ground. When Iarrived, I saw a 2-to 3-week-old owl. It had already been placed in a carrier for safety.I exam