chris二次精讀僅供參考?xì)g迎討論有問(wèn)題的知識(shí)點(diǎn)-p5

1、Lightning is（下定義）abrilliant flashoflightproduced by（因果邏輯）anelectricaldischarge fromstorm cloud（后面閃電定義可跳）. The electrical discharge takes place when the attractive naregiones so t（因果邏輯）the ddenly Lightning is（下定義）abrilliant flashoflightproduced by（因果邏輯）anelectricaldischarge fromstorm cloud（后面閃電定義可跳）.

2、 The electrical discharge takes place when the attractive naregiones so t（因果邏輯）the ddenly （新概念）. The coming together of the iy charged whichwe seeas lightning. （新概念（ofitivelyandnegativelychargedtakesplaceduringthedevelopmentofthestorm1. 排除題According to paragraph 1. all of the following take lightnin

3、ghe development of a flash greatntwoiychargedanincreaseinnegativelychargedparticlesositivelychargedparticles iychargedparticlescomingthereleaseofelectricalheformofvisible2. 詞匯題 Thewordhepassageiseaninghuge 巨大的Theseparationofchargedtformsin a stormcloud has（ itivelychargedparticlesdevelopatthetopand（

4、并列邏輯）bottomesnegativelycharged.Recentmeasurementshe field together with laboratory simulations offer a promising explanation of how this of charged particles forms. ppens t small (millimeter-to centimeter-size) pellets of he cold upper（top）regions of the cloud. When these ice pellets fall, some of t

5、hem P P5 文章精讀講解：科技類 (TPO18-R3 ) itively charged negativelychargedmuchsmaller（比較邏輯）ice he center of the cloud. The temperature at the center of ntheicepelletsand（并列邏輯）theicecrystalscauses（因果邏輯）electricalchargestoshiftt（果邏輯）the ice pellets acquire a negative charge and（并列邏輯）the ice crystals charged. T

6、hen muchsmaller（比較邏輯）ice he center of the cloud. The temperature at the center of ntheicepelletsand（并列邏輯）theicecrystalscauses（因果邏輯）electricalchargestoshiftt（果邏輯）the ice pellets acquire a negative charge and（并列邏輯）the ice crystals charged. Then updraft wind currents carry the itively charged ice cryst

7、als up to the top thecloud. The heavier（比較邏輯）negativelychargedicepelletsareleftto he This（指代邏輯s explains why（因果邏輯）the top of the itively while（轉(zhuǎn)折邏輯）the es negatively charged. The negatively charged region is dredmetersthickand（并列邏輯）severalmeter.Belowthislarge, negatively charged region, the cloud is

8、 warmer（比較邏輯n -15, and（并列邏輯因果邏輯these temperatures, s n ice crystals and（并列邏輯）falling ice pellets produce（tthenpopulateasmallregionatthe baseoftheitivelychargedice邏輯3. Accordingtoparagraph2.whatcausesicecrystalseitivelyswithice原文處swithnegativelychargedicecrystalsatthebaseofthecloudABipinghecentralreg

9、ionoftheFormingemperaturen -4. 詞匯題 ThewordhepassageiseaningitivelychargedicepelletsartoftheAndA.snicecrystalsandicepelletsincreaseinheartoftheB.TheartofthecloudisntheregionaboveC.Moreicenicecrystalsreachtheartofthe D.heartofthecloudaren -6. 排除題According to paragraph 2, the middle region of a to（因果邏輯

10、）allofthefollowinges negatively charged A. ashiftofelectricalchargesnicepelletsandicenegativelychargedicet heatemperatureD.heartofthecloudaren -6. 排除題According to paragraph 2, the middle region of a to（因果邏輯）allofthefollowinges negatively charged A. ashiftofelectricalchargesnicepelletsandicenegativel

11、ychargedicet heatemperatureof15Corless 溫度、因果duethedevelopmentofitivecharge atthebaseofthecloud Most lightning takes place within a cloud when the charge separation he cloud However, as the storm cloud develops, the ground beneath the cloud heformofanelectricaldischargeitively ntheitivelychargedgroun

12、d.tstrikestheisthemostlikelytobedestructiveso（因果邏輯結(jié)果）eventhough（轉(zhuǎn)折邏輯）itrepresentsonlypercentofalllightning,sreceiveda lotofscientificncloudand7目的題 The author t t strikes the ground is the most likely to destructiveinordertoexplainwhy（因果邏輯考結(jié)果A.thisformoflightninghasbeeninvestigatedsoalotofscientificB

13、.thisformoflightningisnotascommonaslightningwithinaC.scientificunderstandingofthisformoflightningisD. the buildup itive charge on the ground beneath a can have Usinghigh-speedphotography,scientistshavetthereoccurrenceoflightningfromacloudtothe（順序邏輯）tpathfromthecloudtotheground,and（并列邏輯）itt tillumina

14、testhechannelasthelightningwe8. A. Thewordhepassageiseaningwithincurrentofchannel/twochannel,tworgefromthecloudbasethe ground. When a stream of these negatively charged electrons comes within 100 meters of ground it is met by a stream thergefromthecloudbasethe ground. When a stream of these negative

15、ly charged electrons comes within 100 meters of ground it is met by a stream the negatively and（并列邏輯itively charged t comes up from the ground. itively charged streams meet, a complete channel connecting cloudand（并列邏輯）thegroundisformed.Thechannelisonlyafew（轉(zhuǎn)折邏輯t is wide enough for electrons to follo

16、w the channel to the he visible of a flash of lightning. The stream itive t meets the surge of electrons from cloudoftenarisesfromatalloftenstrikesatallstructure.tfollowsthecompleted9. 細(xì)節(jié)題Accordingtoparagraph5.which ofthefollowingistrueofthestreamofchargedfromtheItpreventsstreamsofelectronsfromthecl

17、oudfromstrikingtheItcompletesatconnectsthestormcloudwiththeIt astreamofelectronsfromtheItwidensthepathmadebytheinitialstreamofelectronsfromthe10. 推斷題Whichofthefollowingclaimsaboutlightningstrikescanbeinferredfromparagraph5During a lightning strike the diameter of the channel the electrons follow is

18、afewAbuildingisunlikelytobehitbylightningunlessiteast100metersAbuildingishitbyalightningstrike becausethebuildingitselfpaththelightningthentakestoso The light of a lightning itiveparticlesappears at the where the streams of negative 11. 推斷題It can be inferred from paragraph t part of the reason（因果邏輯t

19、 the top of stormitivelychargedtA.thetopofthecloudis nthemiddleof thecloud channel/B.themiddleofthecloudisalreadyoccupieditivelychargedparticles 中間是-C. the negatively charged ice pellets are too heavy to be carried by the t move D. IP太重，+ics nice hetopofthecloudproduceitivelychargedB.themiddleofthec

20、loudisalreadyoccupieditivelychargedparticles 中間是-C. the negatively charged ice pellets are too heavy to be carried by the t move D. IP太重，+ics nice hetopofthecloudproduceitivelycharged12. Theword“initiated”iseaningstarted 開(kāi)始=Once a channel has been formed, it is usually used by several lightning disc

21、harges, each of consisting of a stream of electrons from the cloud meeting a stream itive particles along established path. Sometimes, however（轉(zhuǎn)折邏輯可提至最前）a stream of electrons following established channel is met byitive stream making athup from theground. The （因果邏輯后為結(jié)果）isaforkedtstrikesthewo. 13. 題L

22、ook at the four squaresthet indicate where the following sentence could be added Thedescendingstreamofelectronsdividesatthepo ersects（交叉、貫穿）the established path.Wherewouldthesentencebest14. wheretheitive-streamLightning takes place when a separation developinastormcloudsuddenlyitive and negative electrical tA storm develops itively charged layer at the top then a negatively middlelayerandfinally,itivelychargedlayeratthestorm、+-