全國卷2019屆高考英語一輪復(fù)習(xí)Unit4Earthquakes課時作業(yè)新人教版必修1doc

1、unit 4 earthquakesi閱讀理解apeople love cellphones , which is why nine in ten americans own one.but does heavy use of cellphones pose a risk of cancer? this question has caused controversy for many years.a new study in rats now augments those concerns.its data linked long-term , intense exposure to radi

2、ation from cellphones with an increased risk of cancer in the heart or brain.the results have yet to be confirmed , the authors note.indeed , although the rat study found a link between cellphone radiation and cancer , it offers no clues to why such a link might exist , notes jonathan samet.he teach

3、es preventative medicine and directs the institute for global health at the university of southern california in los angeles.still , he calls the new studys findings “significanhey could lead to studies researching how cellphone radiation might cause cancer , he says.phone signals are relayed betwee

4、n cell towers and cellphones via radio waves.this radio frequency or r radiation is a type known as non-ionizing（非電離的）.unlike x-rays , non-ionizing radiation does not deposit enough energy into cells to release electrons from atoms or molecules , producing ions. so it tends to be far less harmful th

5、an ionizing radiation , such as x-rays.but that does not mean radio waves might not cause harm.in very large doses（ 量）this radiation will heat the body and cause tissue damage.but its not yet known what much lower rf levels might do , such as those from cellphone use.five years ago , the world healt

6、h organizations international agency for research on cancer , or iarc , concluded that cellphone use “is possibly carcinogenic （致癌的）：its conclusion was based on what little research data was available at that time.but notice that iarc was not certain.it said only that phone use might “possibly cause

7、 cancer.so scientists at the national toxicology program , or ntp , investigated further.語篇解讀本文是一篇說明文。人們喜歡用手機，90%的美國人都有手機。那么，過度使用手機是否會有患癌的風(fēng)險呢？ 一項新的研究給出了一些線索1 . which of the following can replace the underlined word/augments”a. figures outb. puts outc. refers tod. adds to解析：詞義猜測題。畫線詞前面提到過度使用手機是否有患癌的風(fēng)

8、險這一問 題多年來引發(fā)的爭議不斷，再根據(jù)畫線詞后的“concerns和“itsdata linkedlong-term , intense exposure to radiation from cellphones with an increased risk of cancer in the heart or brain.可知，現(xiàn)在一項在老鼠身上進行的新研究增加了 那些憂慮。故畫線詞與adds to意義相近。答案：d2. in which aspect does jonathan samet think the new study in rats is significant?a. it a

9、ssists him with his teaching.b. it indicates a new research direction.c. it warns people to mind cellphone safety.d. it makes a breakthrough in cancer research.解析：推理判斷題。根據(jù)第二段中的 “they could lead to studies researching how cellphone radiation might cause cancer , he says. 可知，這項研究會促使 科學(xué)家去查明手機輻射可能是怎樣致癌的

10、，也就是說它為科學(xué)家提供了一個新的 研究方向。答案：b3. what is paragraph 3 mainly about?a. how phone signals are delivered.b. how cellphones produce radiation.c. features of radiation from cellphones.d. differences between ionizing and non-ionizing radiation.解析：段落大意題。根據(jù)第三段的內(nèi)容尤其是 “non-ionizing radiation does not deposit enou

11、gh energy into cells to release electrons from atoms or molecules , producing ions. so it tends to be far less harmful than ionizing radiation.可知，本段主要講的是手機輻射的特點， 它是非電離的，其危害性遠低于電離輻射。答案： c4 what might be the theme of ntp scientists further research?a why cellphone use causes cancer.b whether cellphone

12、 use really causes cancer.c what health effects cellphone use has.d how much exposure to cellphone radiation is safe.解析：推理判斷題。根據(jù)最后一段中的 “it said only that phone use might possibly cause cancer.so scientists at the national toxicology program ， or ntp ， investigated further. 可知， ”ntp 的科學(xué)家進一步研究的主題可能是手機

13、使用是否真的會導(dǎo)致癌癥。答案： bambar presses her hand to her forehead as she considers the question on her screen: how many sevens in 91? the ten-year-old has been struggling with it for about a minute when she smiles ， “ 1！3 ” her tutor responds by posting alarge smiling cat picture on her screenthe虛ftuo。meaning

14、 of a paton the back.he is sitting on the other side of the world in an online tutoring centre in india.ambar ， who attends pakeman primary school in london ， is one of nearly 4,000 primary school children in britain that have signed up for weekly one-to-one maths sessions with tutors based in india

15、 and sri lanka.the lessons ， provided by a company called third space learning ， are targeted atpupils struggling withmaths particularly those from disadvantaged backgrounds.from next year ， the platform will become one of the first examples of artificial intelligence (ai) software being used to mon

16、itor ， and ideally improve teaching.together with some british scientists ， the company has analysed around 100,000 hours of audio and written data from its tutorials( 輔導(dǎo)課 )， with the goal of identifying what makes a good teacher and a successful lesson.tom hooper ， the companys ceo ， said ， “weve r

17、ecorded every lesson that weve ever done.by using the data , weve been trying to introduce ai to improve the teaching. bue argued that the aim is not to replace teachers with robots. thereos slightly dubious（不確定的） conversation about how ai will make humans irrelevant , but its not at all about repla

18、cing humans , rfe said. “ our whole belief is that for children not doing well in the subject , people are what matters. ”pupils on the program have a 45-minute session with the same tutor each week.they communicate through a headset and a shared“whitebo aithelessons at pakeman primary school are ta

19、ilored to the individual , including visual rewards linked to the childs interests.in addition to the raw audio data , each lesson has various success metrics attached : how many problems are completed , how useful the pupil finds the session , how the tutor rates it.語篇解讀本文是一篇說明文。數(shù)學(xué)成績不好怎么辦？沒關(guān)系。坐在家里，

20、 你就可以享受高科技公司 third space learning為你提供的一對一網(wǎng)上教學(xué)服 務(wù)。5. why does the author mention ambar in the beginning?a. to praise her tutor.b. to show her struggle with maths.c. to introduce a company.d. to encourage pupils to learn maths online.解析：推理判斷題。第一段提到了ambar在網(wǎng)上接受一對一的數(shù)學(xué)教學(xué)，該網(wǎng)上家教中心位于世界的另一端印度。由此引出下文介紹的一家公司thi

21、rd space learning 。故作者在文章一開始提到 ambar是為了引出這家公司。答案：c6. what do we know about third space learning?a. it makes good teachers and lessons.b. it is aimed at students from poor backgrounds.c. it is being used to monitor and improve teaching.d. it provides online maths lessons for schoolchildren.解析：推理判斷題。根

22、據(jù)第二段中的 “signed up for weekly one-to-one maths sessions with tutors based in india and sri lankaare targeted at pupils struggling with maths 可知，third space learning 為小學(xué)生提供網(wǎng)上一對一的 數(shù)學(xué)課程，故選d項。答案：d7. which may tom hooper agree with?a. ai makes humans irrelevant.b. ai is beneficial to teaching.c. robots ar

23、e smarter than humans.d. robots will replace humans.解析：推理判斷題。根據(jù)第四段中的 “by using the data, weve been trying to introduce ai to improve the teaching. 可知，hooper認為 ai 對教學(xué)是有好處 的，故選b項。答案：b8. what is the last paragraph mainly about?a. what is taught in the lesson?b. how is the lesson taught?c. who learns th

24、e lesson?d. whyis the lesson taught?解析：段落大意題。根據(jù)最后一段的內(nèi)容可知，本段主要介紹了這種課的教 學(xué)模式。故選b項。答案：bh .完形填空hello , mr.wi-fi.life without you is next to impossible now.were happy to sing your name from morning till evening , sometimes till dawn. 1 i know you help me , sometimes youre making me do things with 2 attent

25、ion.many times i premise myself that ill 3 my feelings towards you , but youre 4 me closer and closer.youve entered both my home and my 5 .youre just a window for our 6 and information.but we people arent 7 only with the window.so we open all our 8 for you.is this a(n) 9 or some kind of attachment?

26、if this is an 川ness , is it curable ? and if this is an attachment willyou 10 me to the lifelong togetherness?we want you 24/7.cant you take a few days off so that both you and i can 11? youre a poison not a slow one but a super 12 poison which holds our mind and makes us dance 13 its tune.nowadays

27、youre so 14 that anyone can buy and make you our 15 .youll never be bothered about our health but well 16 be concerned about your “ healthbecause you accompany us everywhere and never let us be alone.if you were a 17 person made of flesh and blood（ 血肉之軀）would we love you the same? you 18 us with you

28、r numerous talents and we even cant get rid of you.were all your 19 .sometimes i wonder how people in the previous generations 20 , but if they did why cant we?語篇解讀作者用詼諧的語氣質(zhì)問 wi-fi ,這呈現(xiàn)了現(xiàn)代人的一種通病， 那就是對無線網(wǎng)絡(luò)的依賴。1 . a.now thatb. only ifc. thoughd. when解析：根據(jù)語境可知，雖然（though）作者知道wi-fi幫助了自己，但是正是 wi-fi的特殊作用讓作

29、者在做事情的時候會分心。答案：c2. a.praisedb.c. focusedd.解析：參見上題解析。答案：d3. a.keep inb.c. approve ofd.解析：根據(jù)語境可知，作者很多次都對自己承諾說要抑制increaseddividedbring backgive up（keep in）自己對wi-fi的情感。bring back便回憶起,使想起”;approve of同意，贊成”;give up放 棄”。答案：a4. a.drawingb. pushingc. forcingd. observing解析：根據(jù)語境可知，此處形象生動地表現(xiàn)了作者不能抗拒wi-fi對自己的 吸引。

30、draw吸引符合語境。push推，催促；force強迫，迫使；observe觀 察”。答案：a5. a.spaceb. soulc. societyd. workplace解析：wi-fi進入了作者的家和靈魂中。下文中的“holds our mind是關(guān)鍵提示。答案：b6. a.entertainmentb. argumentc一 expansiond. struggle解析：wi-fi(本來)只是 我們娛樂(entertainment)和獲取信息的窗口。 argument 爭論 “；expansion 擴張 ；struggle 半爭，奮斗”。答案：a7. a.strictb. satisfi

31、edc. generousd. busy解析： 根據(jù)上文的 “youre just a window for ourinformation.以及 “bdw表 示的轉(zhuǎn)折關(guān)系可知，此處表示人們并不滿足于(satisfied)wi-fi僅僅是個 窗口(window) strict 嚴格的；generous 慷慨的 ；busy 繁忙的”。答案：b8. a.thoughtsb. eyesc. exitsd. doors解析：此處表示人們將 wi-fi的作用擴大化，不僅僅滿足于其作為窗口的作 用，而是將所有的 門(doors)打開迎接wi-fi。某種程度上而言，door是window 的升級版答案：d9.

32、 a.diseaseb. inspirationc. routined. phenomenon解析：結(jié)合下文中的“anillness可知，作者疑惑的是自己和其他人對 wi-fi 如此依賴的現(xiàn)象是否是一種病(disease) 0 inspiration靈感” ；routine慣例”；phenomenon “現(xiàn)象答案：a10. a.recommendb. instructc. commitd. adapt解析：如果對 wi-fi的情感是一種依賴的話，wi-fi能保證與作者一生都親 密無間嗎？ commit意為保證（做某事、遵守協(xié)議或遵從安排等），承諾”，符合語 境。recommend“推薦 ”；i

33、nstruct 教導(dǎo)”;adapt 適應(yīng)”。答案：c11. a.persistb. relaxc. progressd. balance解析：wi-fi不能給自己放幾天假以便它和作者都能放松（relax） 一下嗎？persist 堅持；progress 行進；balance 平衡”。答案：b12. a.rawb. ambiguousc. strongd. fast解析：根據(jù)本句中的“not a slow one可知，wi-fi并不是慢性毒藥，而是快 速起效的毒藥，故用fast與slow形成對比。raw不熟練的；ambiguous “含糊不 清的；strong強壯的”。答案：d13. a.tob

34、. againstc. fromd. within解析：wi-fi是一種能控制人們的思想并使人們隨著它的音調(diào)起舞的毒藥。to表示隨著。答案：a14. a.affordableb. valuablec. conventionald. attractive解析：根據(jù)下文中的“anyone can buy可知，如今 wi-fi的價格是如此低廉 以至于任何人都能買到，并使其成為人們的伴侶。 affordable支付得起的，不算 太貴的；valuable樽價值的；conventional傳統(tǒng)的；attractive有吸引力的”。答案：a15. a.additionb. expertc. companio

35、nd. instrument解析： 參見上題解析。 下文中的 “because you accompany us everywhere and never let us be alone.亦是提示。 addition 添力口物 ”；expert 專家”； companion 伴侶，伙伴 ；instrument 工具”。答案：c16. a.sometimesb. alwaysc. neverd. seldom解析：毫無生命的wi-fi是決不會在意其用戶的健康的，但是用戶們會一直 擔(dān)心wi-fi的健康”，此處用always與上文的“neve形成對比，強調(diào)人們對 wi-fi 的在意程度。答案：b17

36、. a.selfishb. dishonestc. responsibled. real解析：根據(jù)下文中的 “person made of flesh and blood(血肉之軀)何知，作 者想知道如果 wi-fi成為擁有血肉之軀的真實的人，人們是否會一樣喜歡它。selfish自私的；dishonest不誠實的；responsible負貨任的；real真實的”。b. scold答案：d18. a.controlc. comfortd. challenge解析：根據(jù)上文作者介紹的人們對wi-fi的依賴及下文中的“weeven cant get rid of you可知，人們離開了 wi-fi簡

37、直無法生活下去，而本句中的“with your numerous talents正是 wi-fi控制人們的方式。control控制；scold責(zé)備”；挑戰(zhàn)”。6.slavescomfort 安慰 ”；challenge答案：a19. a.friendsc. colleaguesd. employers解析：根據(jù)語境可知，wi-fi控制了人們，也就是說人們成了被其掌控的奴隸(slaves)。friend 朋友”；colleague 同事”；employer 雇主”。答案：b20. a.sufferedb. connectedd. surfedc. survived解析：根據(jù)語境尤其是本句中的 “in the previous generations可知；作者非 常疑惑的是在早期沒有 wi-fi的時候人們是如何存活（survived）下來的。suffer受 苦”；connect 聯(lián)系”；surf 沖浪答案：c出.短文改錯boys an