Unit 5 Section B 复习重点单词、短语、句型及提升练习 2025-2026学年人教版英语八年级下册

Unit 5 Section B 重点单词、短语及提升练习 核心词汇与词形转化 1.worst adj./adv.最坏的;最糟的 bad (adj.坏的) worse (adj./adv.更坏的) worst (最高级)反义词组:best (最好的) 2.refuse v.拒绝;退却 refusal (n.拒绝) 搭配:refuse to do sth. (拒绝做某事) 3.security n.安全;保安;保障 secure (adj.安全的 v.保护)衍生词:security guard (保安人员) 4.guard n.卫兵;保卫 v.保卫guardian (n.监护人;保护者)搭配:keep guard (站岗) / guard against (提防) 5.scream v.尖叫 screamed (过去式/过去分词) / screaming (现在分词) 近义词:shout (呼喊) 6.thankfully adv.幸亏;感激地thankful (adj.感激的) ️ thank (v.感谢) 7.knowledge n.知识;学问knowledgeable (adj.知识渊博的) 8.thinking n.思考;想法 think (v.思考;认为) ️ thought (n.想法 v.思考的过去式) 9.hero n.英雄;偶像 heroic (adj.英雄般的) 复数形式:heroes (以-o结尾加-es变复数) 10.landslide n.滑坡;塌方 合成词:land(陆地) + slide(滑动) 11.rescue v./n.救援;营救 搭配:rescue team (救援队) / come to one's rescue (前来援救某人) 12.sudden adj.突然的;骤然的suddenly (adv.突然地)搭配:all of a sudden (突然,相当于 suddenly) 13.terribly adv.非常糟地;非常terrible (adj.糟糕的;可怕的) 重点短语 1. security guard 保安人员 2. refuse to do sth. 拒绝做某事 3. jump into action 立即行动 4. as soon as 一……就…… 5. sweep through 席卷;横扫 6. put out 扑灭(大火) 7. stay away from 远离…… 8. go off (警报器、闹钟等) 突然发出巨响 9. wake up 醒来;唤醒 10. out of breath 上气不接下气 重点句型 was/were + doing (过去某个时间点或时间段正在做某事) 1. — What were you doing at eight last night? (昨晚八点你在干什么?) — I was taking a shower.(我正在洗澡。) 2. — What was she doing when the rainstorm came? (暴雨来的时候她在干嘛?) — She was doing her homework. (她正在写作业。) 3. While Tilly was walking along the beach, she noticed something strange. (当蒂莉正沿着海滩散步时,她注意到了一些奇怪的事情。) 能力提升实战练 . 词汇过关:根据首字母或中文提示填空 1. The little girl was so scared that she s_ loudly when she saw the big dog. 2. When the fire alarm w_ (go off), all the students ran out of the building quickly. 3. It is important for us to learn some k_ about first aid. 4. The firefighters worked hard to p_ (扑灭) the wildfire. 5. My alarm clock didn't ring this morning, so I w_ up late. 6. The wind was blowing t_ (非常糟地) last night. 7. When the teacher came in, the students stopped talking and listened in s_. 8. He was so tired after running that he was o_ o_ b_ (上气不接下气). 9. We should s_ a_ f_ (远离) dangerous places during a natural disaster. 10. L_ (幸运的是), no one was hurt in the accident. . 选用所给短语的适当形式填空 jump into action, as soon as, sweep through, put out, stay away from, go off, wake up, out of breath, security guard, refuse to do 1. The thief ran away quickly when the _ came. 2. The strong wind _ the small village last night. 3. My brother _ help me with my homework because he was busy. 4. We should _ dangerous animals in the wild. 5. The firefighters managed to _ the fire in the forest. 6. I will call you _ I arrive at the airport. 7. When the earthquake happened, the villagers _ to save themselves. 8. My alarm clock _ at 6:00 every morning. 9. He was _ after running for an hour. 10. I usually _ at 7:00 in the morning. . 句型攻关:根据要求改写句子 1. I was reading a book at 8:00 last night. (对划线部分提问) _ were you _ at 8:00 last night? 2. They were playing basketball at this time yesterday. (改为否定句) They _ _ basketball at this time yesterday. 3. The twins were watching TV at home at that time. (改为一般疑问句) _ the twins _ TV at home at that time? 4. She cleaned the room yesterday afternoon. (用 at 3:00 yesterday afternoon 替换 yesterday afternoon) She _ _ the room at 3:00 yesterday afternoon. 5. Was Ben doing his homework at 8:00 last night? (作肯定回答) Yes, _ _. . 语法单选:选择最佳答案 1. I was watching a football match _ my parents were reading newspapers. A. while B. when C. what D. how 2. What _ you _ when the telephone rang? A. are; doing B. were; doing C. was; doing D. did; do 3. The rain _ heavily when I left the classroom. A. rains B. rained C. is raining D. was raining 4. While my mother _ dinner, I was doing my homework. A. cooks B. cooked C. was cooking D. is cooking 5. — Why didn't you answer my call yesterday afternoon? — Sorry, I _ a meeting at that time. A. have B. had C. was having D. am having 6. When the stranger came in, she _ her cat. A. walks B. walked C. was walking D. is walking 7. My brother _ a model plane at 9:00 last night. A. makes B. made C. is making D. was making 8. _ the time I got to the station, the train had already left. A. By B. At C. On D. In 9. He was so tired that he fell asleep _ the movie was on. A. while B. when C. as soon as D. until 10. — Were you at home at 7:00 last night? — Yes, I _ dinner with my family. A. eat B. ate C. was eating D. am eating . 阅读理解 阅读下面短文,从每题所给的A、B、C三个选项中,选出最佳答案。 The Clever Schoolgirl Tilly Smith was a 10-year-old British girl. In 2004, she was on holiday with her family in Thailand. One morning, while they were walking along the beach, Tilly saw something strange. The sea water was pulling back quickly, and there was thick white froth (泡沫) on the waves. Tilly learned about tsunamis (海啸) in her geography class. She knew these were signs of a big wave coming. She screamed to her parents, "Run! It's a tsunami!" At first, her parents didn't believe her. But Tilly was very sure. She told them what she learned at school. Finally, they listened to her. They told other people on the beach to run to higher ground. Thanks to Tilly's quick thinking and knowledge, hundreds of people were saved. 1.Where was Tilly when she saw the strange signs? A. In her school. B. On a beach in Thailand. C. At home in Britain. 2.What did Tilly see on the sea? A. Fish jumping out of the water. B. Boats sinking. C. Water pulling back and white froth. 3.How did Tilly know about the tsunami signs? A. Her parents taught her. B. She learned it in a geography class. C. She saw it in a movie. 4.What does the underlined word "signs" in Paragraph 2 mean? A. 标志;迹象 B. 声音 C. 颜色 5.What is the main idea of the story? A. Holidays are fun. B. School knowledge can save lives. C. The sea is dangerous. 参考答案及解析 . 词汇过关 1. screamed (小女孩吓得尖叫,过去时) 2. went off (火警报警器响起,go off的过去式) 3. knowledge (急救知识) 4. put out (扑灭大火,manage to do sth.) 5. woke (wake up的过去式) 6. terribly (副词修饰动词blow) 7. silence (in silence 固定搭配,安静地) 8. out of breath (上气不接下气) 9. stay away from (远离) 10. Luckily (幸运的是,副词作状语) . 1. security guard (保安来了,小偷跑了) 2. swept through (席卷,sweep的过去式) 3. refused to (拒绝帮忙,refuse to do sth.) 4. stay away from (远离野生动物) 5. put out (扑灭火) 6. as soon as (一到达机场就打电话) 7. jumped into action (立刻行动起来自救) 8. goes off (闹钟每天响,一般现在时) 9. out of breath (跑步一小时后上气不接下气) 10. wake up (早上7点醒来) . 句型 1. What; doing (对正在做的动作提问用What...doing) 2. weren't playing (过去进行时否定句,直接在be动词后加not) 3. Were; watching (过去进行时一般疑问句,be动词提前) 4. was cleaning (过去某个具体时间点正在做某事,用过去进行时) 5. he was (肯定回答,前后时态和人称保持一致) . 语法单选 1. A (前后都是延续性动作,用while连接) 2. B (过去某个时间点正在做,用过去进行时) 3. D (离开时雨正下着,用过去进行时) 4. C (妈妈做饭是延续性动作,用过去进行时) 5. C (昨天下午那个时间正在开会,用过去进行时) 6. C (陌生人进来时,她正走着,用过去进行时) 7. D (昨晚9点正在做飞机模型,用过去进行时) 8. A (by the time 到...时候为止,固定搭配) 9. A (电影是延续性动作,用while) 10. C (昨晚7点正在吃晚饭,用过去进行时) . 阅读理解 1.B 2. C 3. B 4. A 5. B 学科网(北京)股份有限公司 $