Unit 1 Power of Ideas单元知识总结及重点易错专项训练2026-2027学年鲁教版（五四学制）英语 九年级全一册

**基本信息** 聚焦鲁教版九年级Unit1核心语言知识，以十大易错考点为纲，构建“基础-提升-拓展”三级训练体系，解析提炼语法规则与短语辨析技巧，逻辑清晰，针对性强。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |十大易错考点|每考点9题（含一般现在时与过去时区别、现在完成时等）|解析明确语法规则（如被动语态be+done）、动词搭配（如encourage to do）及短语辨析（如come up with）|从词汇短语到语法应用，难度递进，覆盖单元核心语言能力与思维品质|

鲁教版（五四学制） 九年级全一册 Unit 1 Power of Ideas 单元知识总结及重点易错专项训练 ■ ■ ■ ■ ■ ■ ■ 说明：本练习紧扣最新教材精选 10 个重点易错考点，每个考点含基础题×3、提升题×3、拓展题×3，共 90 题。 一、重点单词 单词 词性 中文释义 power n. 力量；权力 idea n. 想法；观念 influence n./v. 影响 create v. 创造 invent v. 发明 discover v. 发现 develop v. 发展 improve v. 改善 achieve v. 实现；达到 succeed v. 成功 encourage v. 鼓励 inspire v. 激励 spread v. 传播 change v./n. 改变 lead v. 领导 follow v. 跟随 support v./n. 支持 believe v. 相信 doubt v./n. 怀疑 prove v. 证明 suggest v. 建议 consider v. 考虑 imagine v. 想象 realize v. 意识到 expect v. 期待 hope v./n. 希望 dream v./n. 梦想 try v. 尝试 effort n. 努力 progress n. 进步 knowledge n. 知识 wisdom n. 智慧 courage n. 勇气 action n. 行动 result n. 结果 二、重点短语 短语 中文释义 make a difference 有影响；起作用 come up with 想出（想法） put into practice 付诸实践 take action 采取行动 believe in 相信；信任 be full of 充满 play a part in 在…中起作用 be proud of 为…感到骄傲 work hard at 努力学习/工作 make up one's mind 下定决心 achieve one's dream 实现梦想 lead to 导致；通向 spread...to 把…传播到 encourage sb. to do 鼓励某人做… inspire sb. to do 激励某人做… succeed in doing 成功做某事 make great progress 取得巨大进步 be interested in 对…感兴趣 learn...by oneself 自学… pay attention to 注意 三、重点句型 英文句型 中文释义 Ideas have the power to change the world. 想法有改变世界的力量。 He came up with a great idea yesterday. 他昨天想出了一个好主意。 She encourages us to think creatively. 她鼓励我们创造性地思考。 We should put our ideas into practice. 我们应该把想法付诸实践。 Knowledge is power. 知识就是力量。 He succeeded in passing the exam. 他成功通过了考试。 They made great progress in English. 他们在英语上取得了巨大进步。 Believe in yourself and you will succeed. 相信自己，你就会成功。 She made up her mind to study harder. 她下定决心更努力学习。 Actions speak louder than words. 行动胜于言语。 四、重点语法 - 1. 一般现在时与一般过去时的区别（客观事实 vs 过去动作） - 2. 现在完成时（have/has + done 表示影响与经历） - 3. 动词搭配：encourage/inspire/suggest/consider + 宾语 - 4. succeed in doing / be successful in / make it - 5. 提建议与表达观点：should / Why not / How about - 6. 被动语态初识（be + done） - 7. 形容词修饰不定代词及后置 - 8. 连词 because / so / although / if 辨析 - 9. 单元短语辨析（come up with / put into practice / take action） - 10. 综合语境辨析（词汇/时态/搭配/逻辑） 十大易错考点一览 序号 考点 难度 题量 1 一般现在时与一般过去时的区别 ★★☆ 9 2 现在完成时（have/has + done 表示影响与经历） ★★★ 9 3 动词搭配（encourage/inspire/suggest/consider + 宾语） ★★★ 9 4 succeed in doing / be successful in / make it 辨析 ★★★ 9 5 提建议与表达观点（should/Why not/How about） ★★☆ 9 6 被动语态初识（be + done） ★★★ 9 7 连词辨析（because/so/although/if） ★★★ 9 8 形容词修饰不定代词及后置 ★★☆ 9 9 单元短语辨析（come up with/put into practice/take action/lead to/make a difference） ★★★ 9 10 综合语境辨析（词汇/时态/搭配/逻辑） ★★★★ 9 ============================================ 以 下 开 始 专 项 练 习 ============================================ 考点1：一般现在时与一般过去时的区别 ◇（ ）1. Ideas _____ the world. (客观事实) A. change B. changed C. will change D. are changing ◇（ ）2. He _____ a great idea yesterday. A. has B. had C. have D. is having ◇（ ）3. Knowledge _____ power. (谚语) A. is B. was C. will be D. has been 【提升题】（选择题） ▷（ ）4. She _____ the experiment last week. A. does B. did C. has done D. is doing ▷（ ）5. Light _____ faster than sound. (科学事实) A. travels B. traveled C. is traveling D. has traveled ▷（ ）6. They _____ to the teacher carefully now. A. listen B. listened C. are listening D. have listened 【拓展题】（选择题） ★（ ）7. Olivia always _____ new ideas. A. come up with B. comes up with C. came up with D. has come up with ★（ ）8. Chen Wei _____ a speech about ideas yesterday. A. give B. gives C. gave D. has given ★（ ）9. We _____ a lot from this book. (一般经验) A. learn B. learned C. are learning D. have learned 考点2：现在完成时（have/has + done 表示影响与经历） ◇（ ）1. Olivia _____ many good books. A. reads B. read C. has read D. is reading ◇（ ）2. Chen Wei _____ his dream at last. A. achieves B. achieved C. has achieved D. is achieving ◇（ ）3. They _____ great progress this term. A. make B. made C. has made D. have made 【提升题】（选择题） ▷（ ）4. Jam _____ a new idea. It works well. A. has B. have C. had D. is having ▷（ ）5. Lily _____ never _____ such a speech. A. has; heard B. have; heard C. has; hear D. have; hear ▷（ ）6. Zhou Kai _____ to Xiamen twice. A. goes B. went C. has been D. has gone 【拓展题】（选择题） ★（ ）7. Bella _____ the importance of ideas. A. realizes B. realized C. has realized D. is realizing ★（ ）8. They _____ a lot since last year. A. change B. changed C. has changed D. have changed ★（ ）9. We _____ already _____ the plan. A. have; discussed B. has; discussed C. have; discuss D. has; discuss 考点3：动词搭配（encourage/inspire/suggest/consider + 宾语） ◇（ ）1. Olivia encourages us _____ hard. A. study B. studies C. to study D. studying ◇（ ）2. Chen Wei inspires me _____ a better person. A. be B. to be C. being D. am ◇（ ）3. Lily suggests _____ a club. A. join B. joins C. joining D. to join 【提升题】（选择题） ▷（ ）4. Jam considers _____ a new hobby. A. take up B. takes up C. to take up D. taking up ▷（ ）5. Bella encourages her brother _____ more books. A. read B. reads C. to read D. reading ▷（ ）6. Zhou Kai suggests that we _____ early. A. start B. starts C. starting D. to start 【拓展题】（选择题） ★（ ）7. Olivia inspires them _____ for their dreams. A. fight B. fights C. to fight D. fighting ★（ ）8. Chen Wei considers it important _____ English. A. learn B. learns C. to learn D. learning ★（ ）9. They encourage each other _____ hard. A. work B. works C. to work D. working 考点4：succeed in doing / be successful in / make it 辨析 ◇（ ）1. Olivia succeeded in _____ the exam. A. pass B. passes C. passing D. to pass ◇（ ）2. Chen Wei was successful _____ fixing the problem. A. at B. in C. on D. with ◇（ ）3. Lily _____ it at last. She passed the test. A. made B. did C. got D. took 【提升题】（选择题） ▷（ ）4. Jam succeeded in _____ a new method. A. find B. finds C. finding D. to find ▷（ ）5. Bella was successful _____ starting her own business. A. at B. in C. on D. with ▷（ ）6. Zhou Kai made _____ to the top of the mountain. A. that B. this C. it D. one 【拓展题】（选择题） ★（ ）7. They succeeded in _____ the project on time. A. finish B. finishes C. finishing D. to finish ★（ ）8. Olivia made _____ to be a top student. A. that B. this C. it D. one ★（ ）9. Chen Wei was successful _____ solving the puzzle. A. at B. in C. on D. with 考点5：提建议与表达观点（should/Why not/How about） ◇（ ）1. You _____ believe in yourself. A. shouldn't B. should C. mustn't D. needn't ◇（ ）2. — I can't decide. — Why not _____ a list? A. make B. makes C. making D. to make ◇（ ）3. — How about _____ ideas together? A. share B. shares C. sharing D. to share 【提升题】（选择题） ▷（ ）4. — Shall we put it into practice? — _____. A. Yes, we shall B. Yes, we do C. Yes, we should D. No, we don't ▷（ ）5. — Why don't you try again? — _____. A. Good idea B. That's OK C. You're welcome D. Never mind ▷（ ）6. — Should I take action now? — Yes, you _____. A. should B. shall C. would D. can 【拓展题】（选择题） ★（ ）7. — Let's make a difference. — _____? A. How B. What about C. Shall we D. Why not ★（ ）8. — I suggest taking a break. — _____. A. So do I B. Neither do I C. I agree D. I don't agree ★（ ）9. — What should we do? — We _____ work harder. A. should B. shall C. would D. could 考点6：被动语态初识（be + done） ◇（ ）1. English _____ in many countries. A. speaks B. is spoken C. was spoken D. has spoken ◇（ ）2. The idea _____ by Olivia yesterday. A. thinks B. thought C. was thought D. has thought ◇（ ）3. A new method _____ next week. A. tries B. is tried C. will be tried D. was tried 【提升题】（选择题） ▷（ ）4. The book _____ by many students. A. reads B. is read C. was read D. has read ▷（ ）5. Great changes _____ in Qingdao since 2020. A. take place B. took place C. have taken place D. are taken place ▷（ ）6. The plan _____ carefully now. A. considers B. is considered C. was considered D. has considered 【拓展题】（选择题） ★（ ）7. The speech _____ tomorrow. A. gives B. is given C. will be given D. was given ★（ ）8. The problem _____ yesterday. A. solves B. solved C. was solved D. has solved ★（ ）9. Knowledge _____ through practice. A. spreads B. is spread C. was spread D. has spread 考点7：连词辨析（because/so/although/if） ◇（ ）1. _____ it was raining, they still went out. A. Because B. So C. Although D. If ◇（ ）2. He was tired _____ he kept working. A. because B. so C. although D. if ◇（ ）3. _____ it is fine tomorrow, we will go hiking. A. Because B. So C. Although D. If 【提升题】（选择题） ▷（ ）4. She studied hard, _____ she passed the exam. A. because B. so C. although D. if ▷（ ）5. _____ you believe in yourself, you will succeed. A. If B. Because C. So D. Although ▷（ ）6. He didn't go to school _____ he was ill. A. so B. because C. although D. if 【拓展题】（选择题） ★（ ）7. _____ the idea is simple, it is very powerful. A. If B. Because C. Although D. So ★（ ）8. It was late, _____ they stopped working. A. because B. so C. although D. if ★（ ）9. _____ you try your best, you will make it. A. If B. Because C. Although D. So 考点8：形容词修饰不定代词及后置 ◇（ ）1. I have _____ to tell you. A. anything important B. important anything C. something important D. important something ◇（ ）2. Is there _____ in the box? A. anything special B. special anything C. something special D. special something ◇（ ）3. She wants to do _____ different. A. something B. anything C. everything D. nothing 【提升题】（选择题） ▷（ ）4. There is _____ wrong with my bike. A. anything B. something C. everything D. nothing ▷（ ）5. Do you know _____ interesting? A. anything B. something C. everything D. nothing ▷（ ）6. I have _____ to say about this. A. something B. anything C. everything D. nothing 【拓展题】（选择题） ★（ ）7. Would you like _____ to drink? A. anything B. something C. everything D. nothing ★（ ）8. He has _____ important to do today. A. something B. anything C. everything D. nothing ★（ ）9. There is _____ in today's newspaper. A. anything new B. new anything C. something new D. new something 考点9：单元短语辨析（come up with/put into practice/take action/lead to/make a difference） ◇（ ）1. Olivia _____ a good idea at the meeting. A. came up with B. came up C. came out D. came over ◇（ ）2. We should _____ our plans _____. A. put; into practice B. put; into action C. take; into practice D. make; into practice ◇（ ）3. It's time to _____ to protect the environment. A. take action B. take actions C. make action D. do action 【提升题】（选择题） ▷（ ）4. Hard work can _____ success. A. lead to B. lead in C. lead on D. lead off ▷（ ）5. A small act can _____. A. make a difference B. make difference C. do a difference D. take a difference ▷（ ）6. Chen Wei _____ a way to solve the problem. A. came up with B. came up C. came out D. came over 【拓展题】（选择题） ★（ ）7. We must _____ what we have learned. A. put into practice B. put in practice C. put to practice D. put for practice ★（ ）8. Actions _____ results. A. lead to B. lead in C. lead on D. lead off ★（ ）9. One person can _____. A. make a difference B. make difference C. do a difference D. take a difference 考点10：综合语境辨析（词汇/时态/搭配/逻辑） ◇（ ）1. — What's the secret of success? — Believing in yourself and _____ hard. A. work B. works C. working D. to work ◇（ ）2. Olivia has _____ idea that will change everything. A. a such good B. such a good C. so good a D. a so good ◇（ ）3. The more you practice, _____ you will be. A. the more confident B. more confident C. the most confident D. most confident 【提升题】（选择题） ▷（ ）4. Chen Wei is one of the students who _____ ideas seriously. A. takes B. take C. took D. has taken ▷（ ）5. Not only Olivia but also Jam _____ to join the club. A. want B. wants C. are wanting D. have wanted ▷（ ）6. _____ is important is to take action. A. That B. What C. Which D. Who 【拓展题】（选择题） ★（ ）7. The teacher, together with the students, _____ visiting the museum. A. are B. were C. is D. have been ★（ ）8. Neither Olivia nor Lily _____ the answer yet. A. knows B. know C. have known D. are knowing ★（ ）9. There is no doubt _____ ideas can change the world. A. if B. whether C. that D. what 参考答案（速查） 考点 基础题（1-3） 提升题（4-6） 拓展题（7-9） 全部 考点1 A B A B A C B C A ABABACBCA 考点2 C C D A A C C D A CCDAACCDA 考点3 C B C D C A C C C CBCDCACCC 考点4 C B A C B C C C B CBACBCCCB 考点5 B A C C A A D C A BACCAADCA 考点6 B C C B C B C C B BCCBCBCCB 考点7 C A D B A B C B A CADBABCBA 考点8 C A A B A A B A C CAABAABAC 考点9 A A A A A A A A A AAAAAAAAA 考点10 C B A B B B C A C CBABBBCAC 详细解析 考点1：一般现在时与一般过去时的区别 【基础题】 1. 【答案】A。 题干：Ideas _____ the world. (客观事实) 正确选项为 A（change）。 2. 【答案】B。 题干：He _____ a great idea yesterday. 正确选项为 B（had）。 3. 【答案】A。 题干：Knowledge _____ power. (谚语) 正确选项为 A（is）。 【提升题】 4. 【答案】B。 题干：She _____ the experiment last week. 正确选项为 B（did）。 5. 【答案】A。 题干：Light _____ faster than sound. (科学事实) 正确选项为 A（travels）。 6. 【答案】C。 题干：They _____ to the teacher carefully now. 正确选项为 C（are listening）。 【拓展题】 7. 【答案】B。 题干：Olivia always _____ new ideas. 正确选项为 B（comes up with）。 8. 【答案】C。 题干：Chen Wei _____ a speech about ideas yesterday. 正确选项为 C（gave）。 9. 【答案】A。 题干：We _____ a lot from this book. (一般经验) 正确选项为 A（learn）。 考点2：现在完成时（have/has + done 表示影响与经历） 【基础题】 1. 【答案】C。 题干：Olivia _____ many good books. 正确选项为 C（has read）。 2. 【答案】C。 题干：Chen Wei _____ his dream at last. 正确选项为 C（has achieved）。 3. 【答案】D。 题干：They _____ great progress this term. 正确选项为 D（have made）。 【提升题】 4. 【答案】A。 题干：Jam _____ a new idea. It works well. 正确选项为 A（has）。 5. 【答案】A。 题干：Lily _____ never _____ such a speech. 正确选项为 A（has; heard）。 6. 【答案】C。 题干：Zhou Kai _____ to Xiamen twice. 正确选项为 C（has been）。 【拓展题】 7. 【答案】C。 题干：Bella _____ the importance of ideas. 正确选项为 C（has realized）。 8. 【答案】D。 题干：They _____ a lot since last year. 正确选项为 D（have changed）。 9. 【答案】A。 题干：We _____ already _____ the plan. 正确选项为 A（have; discussed）。 考点3：动词搭配（encourage/inspire/suggest/consider + 宾语） 【基础题】 1. 【答案】C。 题干：Olivia encourages us _____ hard. 正确选项为 C（to study）。 2. 【答案】B。 题干：Chen Wei inspires me _____ a better person. 正确选项为 B（to be）。 3. 【答案】C。 题干：Lily suggests _____ a club. 正确选项为 C（joining）。 【提升题】 4. 【答案】D。 题干：Jam considers _____ a new hobby. 正确选项为 D（taking up）。 5. 【答案】C。 题干：Bella encourages her brother _____ more books. 正确选项为 C（to read）。 6. 【答案】A。 题干：Zhou Kai suggests that we _____ early. 正确选项为 A（start）。 【拓展题】 7. 【答案】C。 题干：Olivia inspires them _____ for their dreams. 正确选项为 C（to fight）。 8. 【答案】C。 题干：Chen Wei considers it important _____ English. 正确选项为 C（to learn）。 9. 【答案】C。 题干：They encourage each other _____ hard. 正确选项为 C（to work）。 考点4：succeed in doing / be successful in / make it 辨析 【基础题】 1. 【答案】C。 题干：Olivia succeeded in _____ the exam. 正确选项为 C（passing）。 2. 【答案】B。 题干：Chen Wei was successful _____ fixing the problem. 正确选项为 B（in）。 3. 【答案】A。 题干：Lily _____ it at last. She passed the test. 正确选项为 A（made）。 【提升题】 4. 【答案】C。 题干：Jam succeeded in _____ a new method. 正确选项为 C（finding）。 5. 【答案】B。 题干：Bella was successful _____ starting her own business. 正确选项为 B（in）。 6. 【答案】C。 题干：Zhou Kai made _____ to the top of the mountain. 正确选项为 C（it）。 【拓展题】 7. 【答案】C。 题干：They succeeded in _____ the project on time. 正确选项为 C（finishing）。 8. 【答案】C。 题干：Olivia made _____ to be a top student. 正确选项为 C（it）。 9. 【答案】B。 题干：Chen Wei was successful _____ solving the puzzle. 正确选项为 B（in）。 考点5：提建议与表达观点（should/Why not/How about） 【基础题】 1. 【答案】B。 题干：You _____ believe in yourself. 正确选项为 B（should）。 2. 【答案】A。 题干：— I can't decide. — Why not _____ a list? 正确选项为 A（make）。 3. 【答案】C。 题干：— How about _____ ideas together? 正确选项为 C（sharing）。 【提升题】 4. 【答案】C。 题干：— Shall we put it into practice? — _____. 正确选项为 C（Yes, we should）。 5. 【答案】A。 题干：— Why don't you try again? — _____. 正确选项为 A（Good idea）。 6. 【答案】A。 题干：— Should I take action now? — Yes, you _____. 正确选项为 A（should）。 【拓展题】 7. 【答案】D。 题干：— Let's make a difference. — _____? 正确选项为 D（Why not）。 8. 【答案】C。 题干：— I suggest taking a break. — _____. 正确选项为 C（I agree）。 9. 【答案】A。 题干：— What should we do? — We _____ work harder. 正确选项为 A（should）。 考点6：被动语态初识（be + done） 【基础题】 1. 【答案】B。 题干：English _____ in many countries. 正确选项为 B（is spoken）。 2. 【答案】C。 题干：The idea _____ by Olivia yesterday. 正确选项为 C（was thought）。 3. 【答案】C。 题干：A new method _____ next week. 正确选项为 C（will be tried）。 【提升题】 4. 【答案】B。 题干：The book _____ by many students. 正确选项为 B（is read）。 5. 【答案】C。 题干：Great changes _____ in Qingdao since 2020. 正确选项为 C（have taken place）。 6. 【答案】B。 题干：The plan _____ carefully now. 正确选项为 B（is considered）。 【拓展题】 7. 【答案】C。 题干：The speech _____ tomorrow. 正确选项为 C（will be given）。 8. 【答案】C。 题干：The problem _____ yesterday. 正确选项为 C（was solved）。 9. 【答案】B。 题干：Knowledge _____ through practice. 正确选项为 B（is spread）。 考点7：连词辨析（because/so/although/if） 【基础题】 1. 【答案】C。 题干：_____ it was raining, they still went out. 正确选项为 C（Although）。 2. 【答案】A。 题干：He was tired _____ he kept working. 正确选项为 A（because）。 3. 【答案】D。 题干：_____ it is fine tomorrow, we will go hiking. 正确选项为 D（If）。 【提升题】 4. 【答案】B。 题干：She studied hard, _____ she passed the exam. 正确选项为 B（so）。 5. 【答案】A。 题干：_____ you believe in yourself, you will succeed. 正确选项为 A（If）。 6. 【答案】B。 题干：He didn't go to school _____ he was ill. 正确选项为 B（because）。 【拓展题】 7. 【答案】C。 题干：_____ the idea is simple, it is very powerful. 正确选项为 C（Although）。 8. 【答案】B。 题干：It was late, _____ they stopped working. 正确选项为 B（so）。 9. 【答案】A。 题干：_____ you try your best, you will make it. 正确选项为 A（If）。 考点8：形容词修饰不定代词及后置 【基础题】 1. 【答案】C。 题干：I have _____ to tell you. 正确选项为 C（something important）。 2. 【答案】A。 题干：Is there _____ in the box? 正确选项为 A（anything special）。 3. 【答案】A。 题干：She wants to do _____ different. 正确选项为 A（something）。 【提升题】 4. 【答案】B。 题干：There is _____ wrong with my bike. 正确选项为 B（something）。 5. 【答案】A。 题干：Do you know _____ interesting? 正确选项为 A（anything）。 6. 【答案】A。 题干：I have _____ to say about this. 正确选项为 A（something）。 【拓展题】 7. 【答案】B。 题干：Would you like _____ to drink? 正确选项为 B（something）。 8. 【答案】A。 题干：He has _____ important to do today. 正确选项为 A（something）。 9. 【答案】C。 题干：There is _____ in today's newspaper. 正确选项为 C（something new）。 考点9：单元短语辨析（come up with/put into practice/take action/lead to/make a difference） 【基础题】 1. 【答案】A。 题干：Olivia _____ a good idea at the meeting. 正确选项为 A（came up with）。 2. 【答案】A。 题干：We should _____ our plans _____. 正确选项为 A（put; into practice）。 3. 【答案】A。 题干：It's time to _____ to protect the environment. 正确选项为 A（take action）。 【提升题】 4. 【答案】A。 题干：Hard work can _____ success. 正确选项为 A（lead to）。 5. 【答案】A。 题干：A small act can _____. 正确选项为 A（make a difference）。 6. 【答案】A。 题干：Chen Wei _____ a way to solve the problem. 正确选项为 A（came up with）。 【拓展题】 7. 【答案】A。 题干：We must _____ what we have learned. 正确选项为 A（put into practice）。 8. 【答案】A。 题干：Actions _____ results. 正确选项为 A（lead to）。 9. 【答案】A。 题干：One person can _____. 正确选项为 A（make a difference）。 考点10：综合语境辨析（词汇/时态/搭配/逻辑） 【基础题】 1. 【答案】C。 题干：— What's the secret of success? — Believing in yourself and _____ hard. 正确选项为 C（working）。 2. 【答案】B。 题干：Olivia has _____ idea that will change everything. 正确选项为 B（such a good）。 3. 【答案】A。 题干：The more you practice, _____ you will be. 正确选项为 A（the more confident）。 【提升题】 4. 【答案】B。 题干：Chen Wei is one of the students who _____ ideas seriously. 正确选项为 B（take）。 5. 【答案】B。 题干：Not only Olivia but also Jam _____ to join the club. 正确选项为 B（wants）。 6. 【答案】B。 题干：_____ is important is to take action. 正确选项为 B（What）。 【拓展题】 7. 【答案】C。 题干：The teacher, together with the students, _____ visiting the museum. 正确选项为 C（is）。 8. 【答案】A。 题干：Neither Olivia nor Lily _____ the answer yet. 正确选项为 A（knows）。 9. 【答案】C。 题干：There is no doubt _____ ideas can change the world. 正确选项为 C（that）。 学科网（北京）股份有限公司 $