话题4续写一篇科幻故事-2025-2026学年高中英语期末写作复习选择性必修3（外研版）

高中英语写作专项突破 (外研版选择性必修3) 写作话题精讲·词汇句型·范文示范 写作话题4：续写一篇科幻故事 适用年级： 选择性必修3 对应版本： 外研版 常考题目： 基于给定科幻故事开头进行合理续写 一、 话题解读 本话题是外研版高中英语选择性必修3的重点写作内容，在其他版本高中英语教材的相应学 段也可能有类似科幻主题的写作训练。常考题目参考外研版选择性必修3教辅书中【话题4】 相关题目，如基于给定科幻故事开头进行合理续写等，核心考察学生的逻辑想象能力与科幻 场景的语言描述能力。该话题在高中英语写作中多以记叙文形式出现，是培养学生创新思维 和叙事连贯性的重要训练内容。 二、核心词汇与短语 1.核心词汇(18个)： 1.cyberspace/saIb3 speIs/n.网络空间 2.biometric/,baIeu'metrIk/adj.生物识别的 3.nanotechnology/,naeneutek'npled3in.纳米技术 4.quantum /'kwpntem./adj.量子的 5.artificial/,a:tr'fr/adj.人造的；人工的 6.intelligence /In'telrd3ans/n.智力；智能 7.genetic/d3a'netrk/adj..基因的；遗传的 8.mutation/mju:'teIn/n.突变；变异 9.robotics/rU'bptIks/n.机器人技术 10.cloning/kleunIn/n.克隆 11.teleportation/telrp::'teIfn/n.心灵传动 12.simulation/,sImju'leI[n/n.模拟；仿真 2 13.cosmic/'kozmIk/adj.宇宙的 14.radiation/reidi'eI[n/n.辐射 15.detection/dr'tekin/n.探测；发现 16.navigation/,nevr'geIn/n.导航 17.satellite/saetelart/n.卫星 18.hypothesis /haI'ppeesIs/n.假设；假说 2.核心短语（15个)： 1.artificial intelligence人工智能 2.genetic engineering基因工程 3.space exploration太空探索 4.robotics technology机器人技术 5.nuclear radiation核辐射 6.satellite navigation卫星导航 7.hypothetical situation假设情况 8.cosmic rays宇宙射线 9.cloning technology克隆技术 10.virtual reality虚拟现实 11.biometric identification生物识别 12.nanoscale materials纳米材料 13.quantum mechanics量子力学 14.space station空间站 15.genetic mutation基因突变 三、高级句型模板 1.结构：“only+状语”倒装结构结构：Only by doing sth.can we do sth. Only by decoding the quantum mechanics signals from the satellite can we prevent the cosmic rays disaster. 2.结构：非限制性定语从句结构：，which enables us to do sth. The space station is equipped with advanced biometric identification, which enables us to distinguish human crew from the cloned mutants. 3.结构：形式主语it句型结构：It is crucial/essential that sb.(should)do sth, 3 It is crucial that we (should)activate the nanoscale materials shield before the nuclear radiation reaches the cabin. 4.结构：让步状语从句结构：Although/While.,sb.stil.. Although the artificial intelligence system warned of risks,the astronauts still decided to proceed with the teleportation experiment. 5.结构：现在分词作状语结构：Doing sth,sb.can do sth. Analyzing the genetic mutation data,scientists can predict the impact of cosmic rays on human DNA. 6.结构：动名词作主语句型结构：Doing sth.is an effective way to do sth. Applying robotics technology to space exploration is an effective way to reduce risks for human astronauts. 7.结构：not only.but also..并列结构结构：Not only can we do sth,but also we can do sth. Not only can virtual reality simulate the hypothetical situation,but also it can train astronauts for unexpected emergencies. 8.结构：“the+比较级，the+比较级..”句型结构：The more we do sth.,the better we will do sth. The more we study the alien cyberspace,the clearer we will understand its navigation mechanism. 四、满分范文示范 The Quantum Portal Disaster Dr.Li stared at the flickering hologram,her fingers trembling over the control panel of the space station."The teleportation coordinates are locked,"she whispered,glancing at the biometric identification scanner beside her."But the satellite navigation system keeps warn- ing about abnormal cosmic rays." Captain Chen nodded,adjusting his nanoscale materials gloves."Although the artificial intelligence system has run 100 simulations,we still need to verify the hypothesis in reality." He pressed a red button,and the quantum portal hummed to life,swirling with purple light. The Unexpected Mutation As the first robotic probe entered the portal,the station's alarms blared."Nuclear radiation levels spiking!"screamed the Al.Dr.Li rushed to the genetic engineering lab,where the cloned mice were convulsing in their cages.Analyzing their DNA,she gasped:"Genetic mutation!The cosmic rays are altering organic matter at the quantum level! × Captain Chen grabbed a radiation shield."It is crucial that we shut down the portal before the mutation spreads."But when he reached the control room,a shadow lunged at him- a mutated clone of himself,its eyes glowing green."Biometric identification failed,"the Al warned."The clone has your exact genetic code." The Race Against Time Using robotics technology,Dr.Liremotely controlled a maintenance robot to block the clone."Only by decoding the quantum mechanics signals from the portal can we reverse the mutation,"she shouted,typing furiously.The robot tackled the clone,but its claws tore through the nanoscale materials shield. Captain Chen remembered the virtual reality training:"Hypothetical situation 7-cloned mu- tants can be stunned by cosmic ray frequencies."He grabbed a laser gun tuned to cosmic ray wavelengths and fired.The clone froze,giving Dr.Li enough time to input the code The Portal Collapses The portal imploded,sucking the clone into a vortex of light.As silence fell,Dr.Li collapsed into a chair."Not only did we survive,but also we've proved that cloning technology must be strictly regulated." Captain Chen stared at the stars."The more we explore cyberspace and distant galaxies, the more we realize how fragile life is."Outside,the satellite beeped-a new signal from deep space,hinting at another mystery waiting to be solved. **Key Features**:-Uses 12 core vocabulary terms(e.g.,*teleportation*,*mutation*,*nanoscale materials*)and 8 core phrases(e.g.,*genetic engineering*,*cosmic rays*).-Applies 6 ad- vanced句型："only+状语"倒装(Only by decoding.),让步状语从句(Although the Al.),现 在分词作状语(Analyzing their DNA.),形式主语it(It is crucial...),not only..but also,and "the+比铰级”结构.-Follows a narrative arc with tension,problem-solving,and a cliffhanger ending,符合高中英语记叙文要求，