假设你是李华，你在美国夏令营认识的朋友Mike给你来信说他最近沉迷于电脑难以控制。请你给他回一封信，告诉他网瘾可能会导致成绩下降、健康状况恶化、损害家庭关系等问题，并提出一些建议。
参考词汇：沉溺于be/becomeaddictedto网瘾：Internetaddiction
DearJack,
Iamgladtohearfromyou.Asyourclosefriend,I’dliketotalkabouttheharmofInternetaddictiontoyouasIfeelworriedtoknowthatyouhavewastedlotsofvaluabletimeplayingtheInternetgames.
Asweknow,theInternetisaconvenienttooltoimproveourknowledgeandskills.However,ourlifewillbegreatlyaffectedifweareaddictedtoit.Forexample，yourgradesmaygodownandyourhealthwillbegoingfrombadtoworse.Tomakethingsworse,itcanalsodamagetherelationshipwithyourfamily.
SoIthinkitishightimethatyougotridofthebadhabit.Itisagoodideaforyoutoreadsomemeaningfulbooksanddosomephysicalexercise.Iamlookingforwardtohearingyourgoodnewssoon．
Yours,
LiHua
预测二关于“拒为低头族”为主题的演讲
现在越来越多的人成为低头族（Peoplewhocan’thelpcheckingtheirphonesalldayareknownasphubbers.Phubbingtrendstoinvolvenotonlytheyoungpeople,butalsotheelderly.)，如何引导低头族抬头？你们班在英语课上举行了以“拒为低头族”为主题的演讲。假设你是学生李华，请你写一篇100词左右的演讲稿。
要点如下：
1.你周围有低头族吗？他们成为“低头族”的原因。
2.成为“低头族”给学习和生活带来的影响。
3．就如何“拒为低头族”提一些建议。
Goodmorning,everyone!
Nowadays,wecanseemanypeoplearewatchingtheirmobilephonesinsubway,restaurants,elevators,roadsandsoon.Thereisnodenyingthatpeoplewholikethemobilephoneareconcernedaboutitsattractivefunctions.Phubberscan’tstopsendingmessages,surfingtheInternet,listeningtomusicandeventakingphotosbyusingthemobilephone.Moreover,somepeoplehavelesstimetorelaxthemselves.Theymakeuseofthetimewhentheyareonthewaytoschoolorotherplacestoplaymobilegames.
However,phubbingdisturbsnotonlyourstudybutalsoourlife.Ontheonehand,phubberswastelotsoftimeplayingcellphonegamesandsendingmessages,particularlyinclass.Otherpeoplealsocomplaintheyaredisturbedwhenphonesringinclassrooms.Ontheotherhand,itcanleadtohealthproblems.Forinstance,usingamobilephoneonthesofacancausebackandneckpain.
AsfarasIamconcerned,itishightimethatwethrewawaythemobilephoneandraisedourheadsup.Docherisheverythingaroundusandappreciatethesceneryaheadofus.What’smore,weshoulddomoreexercisesandtakepartinreal-lifeactivities.Inaword,onlywhenweusethemobilephonereasonably,canwerealizethehappinessoflife.That’sall.Thankyou!
预测三描述未来人工智能的发展状况及利弊
人工智能与5G时代已悄然来临，随着科技越来越与人类生活相结合，随处可见的人工智能，让生活越来越便利的同时也带来许多的困惑，按要求完成一篇作文。
内容包括：
1.描述或畅想未来人工智能的发展状况
2.分析这种现象产生的原因
3.陈述利弊以及表明个人态度
Asweallknow,thetimeof5Gtechnologyiscoming,itiscalledthefourthindustrialrevolution,futureofcomputerscienceliesintheartificialintelligence，itistheresearchandartificialsimulationofhumanthoughtandeventuallybeabletomakeahumanliketothinkthesamemachine,forhumanservicesandtohelppeoplesolveproblems.
Afterall,peoplethoughtitwasunique,therearefeelings,thereareavarietyofcharacter,thiswillbeverydifficulttoachieveinthemachine.Infact,todothesameasthehumanthinkingmachine,theonlyoneoftheartificialintelligence,isbynomeansall.Throughthestudyofartificialintelligence,itcanresolveallkindsofscientificproblems,promotethedevelopmentofothersciencewillhaveagreatimpactonallpeople'slives.
Ibelievethatthescienceofartificialintelligenceiswaitingforhumanitytoexploreitstepbystep.
预测四移动支付的好处
TheAdvantagesofOnlinePayment
Onlinepaymenthasbeenadvocatedaroundtheworld,whichisthefuturewaytopaybills.InChina,Alipayispopulareverywhere,eventhesmallbusinesscanbefinishedbythisadvancedway.
Peopleplaythejokethattheydon’tneedtoworryaboutthelackofcash.Theadvantagesofonlinepaymentareobvious.Firstly,itsavespeople’stimetopayills.Theuseofonlinepaymentiscarriedoutwithasmartphone.Especiallywhenwegotothesupermarket,therearealwaysalotofpeoplewaitinginthelongline.
Theprocessofcostingcustomers’timeistotakeoutthecashorusethecreditcard,becausebothcustomersandcashiersneedtocountthemoneyorcheckthebills.Butnowthecashiercanjustscanthephoneandthebillwillbepaidandthecustomercancheckquickly.Second,peopledon’thavetoworryaboutgettingthefakecash.
Manyyearsago,peoplewereeasytogetfakemoneyastheyreceivedthechange.Butnow,asthecashhavebeenusedless,peoplewon’treceivethefakecashwithoutpapermoney.Withthedevelopmentofnewapplications,ourlifewillbemuchconvenient.
预测五网络购物
随着互联网的发展和普及，网络购物在中国也变得越来越普遍了，甚至已经成了我们日常生活的一部分了。相信同学们身边一定有不少同学已经通过网络进行购物了，比如淘宝网等，但是网络购物究竟有何利弊呢请写一篇短文，谈谈网上购物的好处与坏处。
WiththedevelopmentoftheInternetandthepopularizationofcomputers,shoppingontheInternethasbecomeacommonplaceinourlife.
Hereconsumerscanbuyalmosteverythingtheyneed.ShoppingontheInternethasalotofadvantages,ofwhichthemostimportantisperhapsitsconvenience.Peopledon'thavetowastealotoftheirenergyandprecioustimetogofromoneshoptoanothertochoosethecommoditiestheylike.
Thisisespeciallydesirabletotheold,thesickandthebusypeoplewhocannotgototheshopsinperson.Thegoodscomeinallshapes,sizesandcolorsontheInternet.Alltheyneedtodoistositinfrontoftheircomputersandclickthemouses.Thecommoditiestheyorderwillbedelivered（运送）tothempromptly.
However,shoppingontheInternetalsohasitsdisadvantages.Thefirstdisadvantageisthattheconsumerscan'tseethegoodsortrythemonpersonally.Sometimes,therealgoodsmaynotbethesameaswhattheyhaveseenonthecomputer.
TheseconddisadvantageisthatsomeshopsontheInternetarenotregistered.Theywillneverdeliveranythingtoyouaftertheygetthemoneyfromyou.Oncecheated,youwillfindthatyouhavenowheretogotocomplain.