Unit4 Grammar Focus SectionB(2a-3c)限时练 2026-2027学年人教版英语九年级上册

2026-2027学年第一学期九年级英语限时练 （考试时长30分钟，满分55, 命题人：______，Unit4 Section B 2a-3c） 姓名 班级 小组 得分 第一部分 Grammar Focus 语法练习（25分） Ⅰ. 用括号内所给单词的适当形式填空（3分） 1. When she sees the old photos, she___________ (recall) her childhood . 2. I ___________(hear) a strange noise outside the window last night. 3. It was impolite of you to leave ___________ (sudden) without saying a word. Ⅱ. 根据句意选择合适的词填空（5分） ( what where why that which ) 4. The teacher told the students ___________ the solar system has eight planets. 5. —Do you know ___________ the man with curly hair is? —I’m not sure. Maybe a lecturer. 6. You should know ___________ you’re going before you plan the best way of getting there. 7. —I wonder __________ Linda can’t come to my party. —Er, she had a car accident and went to the hospital. 8. They are discussing ____________ club they should choose to take part in . Ⅲ. 按要求完成下列句子（每空一词）（7分） 1. “Where will you visit?” she asks me.（改为含宾语从句的复合句） She asks me ____ ____ ____ visit. 2. “Why do you like English?” he asks Tom.（改为含宾语从句的复合句） He asks Tom ____ ____ ____ English. 3. “When can they finish the work?” Linda asks.（改为含宾语从句的复合句） Linda asks ____ ____ ____ finish the work. 4. “When will they have a spring outing?” asked Tony.（改为含宾语从句的复合句） Tony asked _______________ they _______________ have a spring outing. 5. “What will you do?” he asked.（改为含宾语从句的复合句） He asked what _______________ _______________ do. 6. “Why do you come back to your hometown?” he asked me.（改为含宾语从句的复合句） He asked me why _______________ _______________back to my hometown. 7. “Where did you buy these books?”she asks me.（保持句意基本不变） She asks me _______________ _______________ _______________ these books. Ⅳ. 语法填空（10分） 阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。 I don't know what's wrong with my brain. My memory started to become 1._______________ (surprise) complete when I was eight years old. Give me any date, and I can quickly tell you what day it was and what 2._______________ (happen) on that day. I can 3._______________ (recall) memories freely. But my memory, in fact, is not under my control. What does it feel like? Well, just imagine this: Someone started to make a video of you when you were 4._______________ child. This person has placed all of these onto a single DVD, and you are forced to watch it over and over again. There you are 5._______________ ( watch ) your favourite TV programme in your living room. Then, suddenly, you're having a picnic in the park with 6._______________ (you) classmates. I never know 7._______________ I might remember next. As I grew up, many new memories were being stored in my brain, with more and more of them appearing 8._______________ my mind. My mother would tell me not 9._______________ (care) so much about the past. I'd try to explain, but nobody could understand me. My greatest hope now is that a 10._______________ (science) will discover something about my brain in the near future. I hope the findings will help people learn more about the human mind. 第二部分 Section B（2a—3c）（30分） Ⅰ. 用括号内所给单词的适当形式填空（5分） 1. Squirrels like hiding ___________ (nut) in autumn so that they can eat them in winter. 2. We should listen ___________ (full) when the teacher is giving a lesson in class. 3. Eating too much sugar often ____________ (increase) the risk of getting some diseases. 4. Allen ___________ (recognize) his primary school teacher on the street even though they hadn’t met for years. 5. A flying stone ____________ (wound) his leg when he was walking on the street. Ⅱ. 单词填空练习题（15分） 用 act 的适当形式填空（act / action / active / actor / actress / react） 1. He is an __________ in that movie. 2. She is a very famous __________in China. 3. We must take __________ to protect our environment. 4. My brother is __________ in all kinds of sports. 5. How did he __________ to the news? 用 forget 的适当形式填空（forget / forgetful / forgettable / unforgettable/forgetfulness） 6. I often __________ my keys at home. 7. My grandma is __________ and always loses her glasses. 8. That trip was __________ . I will remember it forever. 9. The movie was __________ ; no one remembered it after one day. 10. Her__________ makes her lose her keys. 用 effect 的适当形式填空（effect / effective / effectively / ineffectively / effectiveness） 11. The medicine has a good __________ (effect) on your cold. 12. This is an __________ (effect) way to solve the problem. 13. She can __________ (effect) use this new machine. 14. He worked __________ (effect) and failed the task. 15. We tested the __________ (effect) of this new method. III. 短文填空（10分） ( blood information think different they memory why store play easy )根据短文内容，用方框中所给词的正确形式填空，使短文完整、正确。 It's said that using certain skills is just like riding a bike. In other words, once we've learned them,we never forget 1. _______________. And it's true that while we often forget facts, we can usually jump on a bike and ride away without 2. _______________ about it. But why can you still ride a bike even after not riding one for years? The answer is that skills like riding or 3. _______________ an instrument are part of procedural memory. It is a kind of long-term memory that performs 4. _______________ procedures. Once learnt completely, they're never forgotten. This happens because procedural memory and declarative（陈述性的）memory are 5. _______________ in different parts of the brain. Declarative memory is responsible for remembering 6. _______________ like names, dates, and events from your life. Studies say that the cells（细胞）in the part storing procedural memory cannot 7. _______________ lose or get hurt. What's more, some research shows that the flow of 8. _______________ in this brain area remains stable, which helps keep the memory traces（记忆痕迹）clear. So procedural 9. _______________ isn't erased very often. Now you know 10. _______________ we don't forget how to ride a bicycle. Can you name other skills that you're also unlikely to ever forget? 2026‑2027学年第一学期Unit4SectionB语法和(2a-3c)限时练 参考答案与解析 第一部分 Grammar Focus 语法练习（25分） Ⅰ. 用括号内所给单词的适当形式填空（3分） 1. recalls 解析：when引导时间状语从句，从句一般现在时，主语she是三单，主句用一般现在时，谓语动词用三单recalls。句意：当她看到这张旧照片，就回想起她的童年。 2. heard 解析：时间状语last night（昨晚），一般过去时，hear过去式heard。句意：昨晚我听见窗外有奇怪的声响。 3. suddenly 解析：修饰动词leave要用副词。sudden形容词，副词形式suddenly。句意：你一句话不说突然离开是很不礼貌的。 Ⅱ. 根据句意选择合适的词填空 1. that 解析：宾语从句，从句the solar system has eight planets是完整陈述句，不缺成分，用that引导，that无词义，可省略。句意：老师告诉学生太阳系有八大行星。 2. what 解析：答句“或许是一名讲师”，是询问职业。what the man is询问某人职业。句意：——你知道那个卷发男士是做什么的吗？——我不确定，或许是讲师。 3. where 解析：后文getting there提示和地点有关。句意：在规划最佳路线前，你应当知道你要去哪里。where在从句中作地点状语。 4. why 解析：答句说明没来聚会的原因，用why引导宾语从句，表“为什么”。句意：——我想知道Linda为什么不能来我的派对。——唉，她出车祸住院了。 5. which 解析：which“哪一个”，在从句修饰club。句意：他们正在讨论该选择参加哪一个俱乐部。 Ⅲ. 按要求完成下列句子 1. She asks me where I will visit. 解析：主句一般现在时，从句时态不变；疑问语序where will you改为陈述语序where I will；直接引语you对应me变为I。 2. He asks Tom why he likes English. 解析：主句一般现在；直接引语you指代Tom→he；疑问语序why do you like改为陈述语序why he likes。 3. Linda asks when they can finish the work. 解析：主句一般现在；把疑问语序when can they改为陈述语序when they can。 4. Tony asked when they would have a spring outing. 解析：主句asked一般过去时，从句要时态倒退；will → would；特殊疑问词保留when，用陈述语序。 5. He asked what I would do. 解析：主句asked过去式；you转换为I；will → would，陈述语序。 6. He asked me why I came back to my hometown. 解析：主句asked过去式；you改为I；一般现在时come改为一般过去式came，陈述语序。 7. She asks me where I bought these books. 解析：主句一般现在；直接引语是一般过去时，描述买书这个过去发生动作，时态不变；you变为I；疑问语序where did you buy改成陈述语序where I bought。 Ⅳ. 语法填空 1. surprisingly 解析：修饰形容词complete用副词。surprise→surprisingly 令人惊讶地。句意：八岁时我的记忆力开始变得惊人地完整。 2. happened 解析：what引导宾语，指过去某一天发生了什么事，用一般过去时happened。 3. recall 解析：情态动词can后面接动词原形recall。 4. a 解析：a child 一个小孩；child辅音音素开头，用不定冠词a。 5. watching 解析：There sb. is doing sth. 某人正在做某事，现在进行含义，填watching。 6. your 解析：修饰名词classmates，用形容词性物主代词your“你的”。 7. what 解析：宾语从句，动词remember后面缺宾语，what“什么”。句意：我永远不知道接下来我会记起什么。 8. in 解析：固定搭配 in one’s mind 在某人脑海中。 9. to care 解析：固定结构 tell sb. not to do sth. 告诉某人不要做某事。 10. scientist 解析：冠词a后面接表示人的名词；science→scientist科学家。句意：我现在最大的希望就是在不久的将来有一位科学家能研究出关于我大脑的一些发现。 第二部分 Section B（2a—3c）（30分） Ⅰ. 用括号内所给单词的适当形式填空 1. nuts 解析：nut可数名词；Squirrels松鼠，不止藏一颗坚果，复数nuts。 2. fully 解析：修饰动词listen用副词；full形容词→fully副词，充分地。句意：课堂上老师讲课时我们应当充分听讲。 3. increases 解析：动名词Eating作主语，视作单数；一般现在时，谓语三单increases。句意：摄入过多糖经常会增加患上某些疾病的风险。 4. recognized 解析：后面hadn’t met过去完成时，整个故事发生在过去，recognize过去式recognized。句意：虽然多年未见，Allen在街上认出了他小学老师。 5. wounded 解析：时间状语when he was walking过去进行时，事情发生在过去；wound动词“使受伤”，过去式wounded。句意：当他在街上走路时，一块飞石砸伤了他的腿。 Ⅱ. 单词填空练习题 用 act 的适当形式填空（act / action / active / actor / actress / react） 1. actor（男演员）句意：他是那部电影里的一名男演员。 2. actress（女演员）句意：她在中国是一名非常著名的女演员。 3. action；固定搭配take action采取行动。句意：我们必须采取行动保护环境。 4. active；be active in 在……方面积极。句意：我弟弟积极参加各类体育运动。 5. react；did后面接动词原形；react to对……作出反应。句意：他对这个消息作何反应？ 用 forget 的适当形式填空（forget / forgetful / forgettable / unforgettable/forgetfulness） 6. forget；often一般现在时，主语I，谓语原形forget。句意：我经常把钥匙落在家里。 7. forgetful；be动词后接形容词作表语，forgetful健忘的。句意：我的奶奶很健忘，总弄丢眼镜。 8. unforgettable；unforgettable难忘的；后文“我会永远记得”。句意：那次旅行令人难忘，我会永远记住。 9. forgettable；forgettable容易被遗忘的；后文“一天之后没人记得这部电影”。句意：这部电影很容易被人遗忘，一天之后就没人记得了。 10. forgetfulness；形容词性物主代词her后接名词；forgetfulness健忘。句意：健忘使她总弄丢钥匙。 用 effect 的适当形式填空（effect / effective / effectively / ineffectively / effectiveness） 11. effect；固定搭配have a good effect on对……有好效果。句意：这个药对你的感冒有很好的效果。 12. effective；冠词an修饰形容词，修饰名词way；effective有效的。句意：这是解决问题的一个有效方法。 13. effectively；情态动词can后，修饰动词use用副词effectively有效地。句意：她可以熟练有效地操作这台新机器。 14. ineffectively；副词修饰动词worked；后文任务失败，填ineffectively“效率低地，无效地”。句意：他工作效率低下，任务失败了。 15. effectiveness；the后面接名词；effectiveness有效性。句意：我们测试了这个新方法的有效性。 III. 短文填空（10分） 1. them 解析：forget动词后面跟宾格；them指代前面certain skills。句意：换句话说，一旦学会，我们永远不会忘记它们。 2. thinking 解析：介词without后面接动名词；think→thinking。句意：确实，我们经常会忘掉事实，但我们可以骑上自行车直接骑走，不需要思考这件事。 3. playing 解析：并列结构，和riding并列；play an instrument演奏乐器；介词like后面用动名词playing。 4. easily 解析：修饰动词performs用副词；easy→easily轻易地。句意：它是一种长期记忆，可以轻松执行程序步骤。 5. stored 解析：被动语态：be stored被储存。句意：程序记忆和陈述性记忆被储存在大脑不同区域。 6. information 解析：remember后面接宾语；information信息（不可数名词），后文names, dates, events都属于信息。句意：陈述性记忆负责记住诸如名字、日期和你人生经历这类信息。 7. easily 解析：副词修饰动词lose；cannot easily lose 不容易丢失受损。句意：研究表明储存程序记忆那部分脑细胞不容易受损或者死亡。 8. blood 解析：the flow of blood 血液流动，固定搭配。句意：此外，一些研究表明大脑该区域的血液流动保持稳定，有助于记忆痕迹保持清晰。 9. memory 解析：procedural memory 程序记忆；前文反复出现的主题名词。句意：所以程序记忆不会轻易被抹去。 10. why 解析：宾语从句，now you know why…现在你明白为什么我们不会忘掉如何骑自行车。 学科网（北京）股份有限公司 $