Unit3-unit4语法填空练习2026-2027学年人教版英语九年级上册

九年级上册语法填空练习 题千(Unit3) Hua Luogeng was a great mathematician.As (1)youth, he left high school(2)(support)his family.However, he loved maths and did not want to give up.He wondered (3)there was a way to continue (4)(learn). Finally,he decided to teach (5)(he). He later introduced a (6)(read)and learning method. He (7)(suggest)that learners read and take notes (8)(careful),then summarize the key points.He once said,"A book starts heavy and thick and then (9) (become)thinner as you understand it better." It is hard to believe (10)such a talent also failed exams in school,but that was true (11)him.He said that learning had many(12)(challenge)and it was (13)(importance)to take things step (14)step. His story teaches us (15)(stay)positive no matter what (16)(difficult)we meet.Learning is not just about what we need to learn,(17)how we learn.If you believe(18)yourself and keep(19) (practise),you will become a successful (20)(1earn). (原文) 答案 理由 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 题千(Unit3) Everyone has_ (1)ability to learn.Experts (2) the science of (3)(leamn)will tell you that anyone can become a successful learner.However,many (4)(student)do not realize this,and they have trouble (5)1eam). Studies show that the first key to (6)(become)a successful learner is to have a growth mindset.This means, in part, (7)(believe)in yourself.It also means setting goals,taking action,and meeting challenges People (8)a growth mindset see mistakes (9)chances for leamning,as they teach (10)(we)how to improve. Research also shows that practice is important for learning. The more we practise,the (11)(good)we learn. We learn best by practising new and difficult things. Sometimes it is also important to get (12)(gide) from a teacher or a coach.They can show us the right way to practise and give us important feedback and (13)(advice). (14)addition,studies show that students learn more when they hang out with other students who are serious about study.By being together,students can (15)(easy)learn from each other.Second,students are challenged to do better by each other.This has been proven to encourage learner growth. Successful learners also use the best learning materials they can find.In the 21st century,this means using new technology and resources,not just textbooks.Since there (16)(be)so many learning materials on the internet,it is important to think carefully and choose wisely what and how you study.Take advantage (17)he best tools and resources to learn (18)(wise)and efficiently. Finally,successful learners see learning (19)part of daily life.It is something they will do even after they leave school,even when they are old.As you continue on your learning journey,you should try to walk at your own speed and enjoy the trip.Never lose heart.The road ahead of you may be long and may have many mountains and valleys, (20)it also has great treasure.You will find more joy in living a life with learning! 答案 理由 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 基础生语法填空练习 题干(Unit4) In the past,I always 1.(feel)stressed when I had to give 2.speech.I used to spend lots of time 3.(try)to memorize my speech,4.I still forgot some parts.Last week,I decided to find 5.what the right way 6.(be) to memorize a speech.I looked online and asked friends, and I found many useful 7.(method). I learnt how 8.(create)a speech outline.Instead 9.trying to remember every word of my speech,I remembered the key words first.Then I formed images of these key words in my mind,and linked 10.(they)in order. Another method is to divide the speech 11.short sections.I practised the first section until I could 12.(full)recall it.Then I moved 13.to the next. This 14.(help)me to find out which parts of the speech I needed to work on the most. 15.(final),a friend told me 16.(I)should have confidence in 17.I).Nobody 18.(know)my speech except me.19.I do forget some words,I shouldn't panic.Just remember the key words and continue! 答案 理由 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 基础生语法填空 题千(Unit4) Would you like to improve your memory?To start with,it is important to understand how memory 1.(work). There are two main 2.(kind)of memory:short-term memory and long-term memory.Short-term memory 3.(work)you remember things that you may only need for a short time,like phone numbers when you need 4.make a phone call.Long-term memory is 5.ability to remember things for 6.(day),years,or even a lifetime. So the real question is:How do you make sure what you learn enters your long-term memory?By 7.(use)some clever memory techniques and leading a 8.(health)life, you will see some great results.Let's take 9.look. First,pay attention.However,you might fail to remember all the 10.(detail).So,try taking notes by 11.(write)down key points.After all,it is 12.(easy)to remember a summary than every word in a passage. Second,use it 13.lose it.The more you review what you learn,the more likely you will remember it.However, you should not wear 14.your brain.Try studying 15.40 minutes,and then take a break.You can also review information 16.discussing it with others or by teaching others. A third way is to make use 17.your senses.Create images by using tables,graphs,and mind maps to organize information.You can also create 18.story with information and view it in (you)mind like a film.In addition,make use of your other senses.For example, listening to recorded information can be very (effectively). 4 练习 答案 理由 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20九年级上册语法 题千(Unit3) Hua Luogeng was a great mathematician. As (1)youth,he left high school (2) (support)his family.However,he loved maths and did not want to give up.He wondered (3)there was a way to continue (4) (learn).Finally,he decided to teach (5)0he). He later introduced a (6)(read)and learning method.He (7)(suggest)that leamers read and take notes (8)(careful),then summarize the key points.He once said,A book starts heavy and thick and then (9) (become)thinner as you understand it better." It is hard to believe (10)such a talent also failed exams in school,but that was true (11) him.He said that learning had many (12) (challenge)and it was (13)(importance)to take things step (14)step. His story teaches us (15)(stay)positive no matter what (16)(difficult)we meet. Learning is not just about what we need to learn. (17)how we learn.If you believe (18) yourself and keep(19)(practise),you will become a successful (20)(learn). 真空练习（原文） 答案 理由 1 a 不定冠词表泛指；youth作可数 名词“年轻人” 2 to support 不定式作目的状语，表示“为了养 家 3 whether whether引导宾语从句，表“是 否 4 learning continue doing sth.继续做某事 himself teach oneself自学，反身代词作 宾语 6 reading 动名词reading与learning并 列作定语 1 suggested 全文过去时叙述；suggest+that 从句 8 carefully 副词修饰动词短语take notes 9 becomes 一般现在时；主语a book为三 单 10 that that引导宾语从句，无实义 11 of be true of sb.对某人属实 12 challenges may后接可数名词复数 13 important 系动词后接形容词作表语 14 by step by step固定短语 15 to stay teach sb.to do sth.教某人做某事 16 difficulties what后接名词；difficulty用复 数 17 but not just..but.表并列 18 in believe in oneself相信自己 19 practising keep doing sth.持续做某事 20 learner 形容词修饰名词“学习者” 题千(Unit3) Everyone has_ (1)ability to learn.Experts (2) the science of (3)(leamn)will tell you that anyone can become a successful learner.However,many (4)(student)do not realize this,and they have trouble (5)1eam). Studies show that the first key to (6)(become)a successful learner is to have a growth mindset.This means, in part, (7)(believe)in yourself.It also means setting goals,taking action,and meeting challenges People (8)a growth mindset see mistakes (9)chances for leamning,as they teach (10)(we)how to improve. Research also shows that practice is important for learning. The more we practise,the (11)(good)we learn. We learn best by practising new and difficult things. Sometimes it is also important to get (12)(gide) from a teacher or a coach.They can show us the right way to practise and give us important feedback and (13)(advice). (14)addition,studies show that students learn more when they hang out with other students who are serious about study.By being together,students can (15)(easy)learn from each other.Second,students are challenged to do better by each other.This has been proven to encourage learner growth. Successful learners also use the best learning materials they can find.In the 21st century,this means using new technology and resources,not just textbooks.Since there (16)(be)so many learning materials on the internet,it is important to think carefully and choose wisely what and how you study.Take advantage (17)he best tools and resources to learn (18)(wise)and efficiently. Finally,successful learners see learning (19)part of daily life.It is something they will do even after they leave school,even when they are old.As you continue on your learning journey,you should try to walk at your own speed and enjoy the trip.Never lose heart.The road ahead of you may be long and may have many mountains and valleys, (20)it also has great treasure.You will find more joy in living a life with learning! 答案 理由 1 the 有后置定语限定，特指 用the 2 in experts in..某领域的 专家 3 learning 介词0f后接动名词 4 students nany后接可数名词 复数 5 learning have trouble (in)doing sth. 6 becoming the key to中to是介 词 7 believing mean doing sth.意味 着做 8 with 介词短语作后置定语 9 as see.as.把..看 作.… 10 us 动词后接宾格代词 11 better the+比较级，the+比较 级 12 guidance guidance为不可数名 词 13 advice advice为不可数名词 14 In in addition此外；句首 大写 15 easily 副词修饰动词leam 16 are there be句型，主语为 复数 17 of take advantage of利用 18 wisely 副词修饰leam,与 efficiently并列 19 as see.as.把...看 作.… 20 but 表转折“但是” 基础生语法填空练习 题干(Unit4) 答案 In the past,I always 1.(feel)stressed when I had to felt give2.speech.I used to spend lots of time 2 a 3.(try)to memorize my speech,4.I still forgot 3 trying some parts.Last week,I decided to find 5.what the 4 but right way 6.(be)to memorize a speech.I looked online 5 out and asked friends,and I found many useful 7.(method). 6 was I learnt how 8.(create)a speech outline.Instead 7 methods 9.trying to remember every word of my speech,I 8 to create remembered the key words first.Then I formed images of 9 of these key words in my mind,and linked 10.(they)in 10 them order. 11 into Another method is to divide the speech 11.short 12 fully sections.I practised the first section until I could 13 on 12.(full)recall it.Then I moved 13.to the 14 helped next.This 14.(help)me to find out which parts of the 15 Finally speech I needed to work on the most. 16 I 15.(final),a friend told me 16.(D should have 17 myself confidence in 17.I).Nobody 18.(know)my 18 knew speech except me.19.I do forget some words,I 19f shouldn't panic.Just remember the key words and 20 continue! 理由 in the past用一般 过去时 give a speech固 定搭配 spend time (in) doing sth. 表转折“但是仍 然” find out查明、弄 清楚 从句随主句用过 去时；way单数 many后接可数名 词复数 疑问词+不定式作 宾语 instead of doing sth. 动词后接宾格代 词 divide.into.分 成 副词修饰动词 recall move on to..继续 全文过去时叙述 副词作状语；句首 大写 从句主语用主格 介词后接反身代 词 全文过去时叙述 条件状语从句：句 首大写 原文未设第20 空，无对应题目 基础生语法填空 题千(Unit4) Would you like to improve your memory?To start with,it is important to understand how memory 1.(work). There are two main 2.(kind)of memory:short-term memory and long-term memory.Short-term memory 3.(work)you remember things that you may only need for a short time,like phone numbers when you need 4.make a phone call.Long-term memory is 5.ability to remember things for 6.(day),years,or even a lifetime. So the real question is:How do you make sure what you learn enters your long-term memory?By 7.(use)some clever memory techniques and leading a 8.(health)life, you will see some great results.Let's take 9.look. First,pay attention.However,you might fail to remember all the 10.(detail).So,try taking notes by 11.(write)down key points.After all,it is 12.(easy)to remember a summary than every word in a passage. Second,use it 13.lose it.The more you review what you learn,the more likely you will remember it.However, you should not wear 14.your brain.Try studying 15.40 minutes,and then take a break.You can also review information 16.discussing it with others or by teaching others. A third way is to make use 17.your senses.Create images by using tables,graphs,and mind maps to organize information.You can also create 18.story with information and view it in 19 (you)mind like a film.In addition,make use of your other senses.For example, listening to recorded information can be very 20.(effectively). 4 练习 答案 理由 1 works 一般现在时；主语 为三单 2 kinds two后接可数名 词复数 3 helps 主语三单；help sb. do sth. 4 to need to do sth.需 要做某事 5 the 有不定式限定，特 指用the 6 days 与years并列用 复数 7 using 介词by后接动 名词 8 healthy 形容词修饰名词 life 9 a take a look固定短 语 10 details all后接可数名词 复数 11 writing 介词by后接动 名词 12 easier han提示用比较 级 130r use it or lose it用 进废退 14 out wear out使精疲 力竭 15 for for+时间段 16 by by doing sth.通过 做某事 17 of make use of利用 18a 单数名词首提用 不定冠词 19 your 物主代词修饰 mind 20 effective 系动词后接形容 词作表语 九年级上册语法填空练习（原文） 题干（Unit 3） 答案 理由 Hua Luogeng was a great mathematician. As_(1) youth, he left high school ____(2) (support) his family. However, he loved maths and did not want to give up. He wondered ____(3) there was a way to continue __(4) (learn). Finally, he decided to teach ____(5)(he) . He later introduced a ___(6)(read) and learning method. He ____(7)(suggest) that learners read and take notes ___ (8) (careful) , then summarize the key points. He once said, “A book starts heavy and thick and then___(9) (become) thinner as you understand it better.” It is hard to believe____(10) such a talent also failed exams in school, but that was true __ (11) him. He said that learning had many ___ (12) (challenge) and it was__(13) (importance) to take things step___(14) step. His story teaches us ____ (15) (stay) positive no matter what ____ (16) (difficult) we meet. Learning is not just about what we need to learn, ____ (17) how we learn. If you believe ___ (18) yourself and keep ____ (19) (practise), you will become a successful ____ (20) (learn). 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 题干（Unit 3） 答案 理由 Everyone has______ (1) ability to learn. Experts______ (2) the science of ______ (3)(learn) will tell you that anyone can become a successful learner. However, many ______ (4)(student) do not realize this, and they have trouble______ (5)(learn). Studies show that the first key to_______(6)(become) a successful learner is to have a growth mindset. This means, in part, ________(7)(believe) in yourself. It also means setting goals, taking action, and meeting challenges. People_______(8) a growth mindset see mistakes_______(9) chances for learning, as they teach ______(10)(we)how to improve. Research also shows that practice is important for learning. The more we practise, the _______(11) (good) we learn. We learn best by practising new and difficult things. Sometimes it is also important to get________(12)(guide) from a teacher or a coach. They can show us the right way to practise and give us important feedback and ______(13)(advice). ______(14) addition, studies show that students learn more when they hang out with other students who are serious about study. By being together, students can _____(15)(easy) learn from each other. Second, students are challenged to do better by each other. This has been proven to encourage learner growth. Successful learners also use the best learning materials they can find. In the 21st century, this means using new technology and resources, not just textbooks. Since there _________(16)(be) so many learning materials on the internet, it is important to think carefully and choose wisely what and how you study. Take advantage ______ (17) the best tools and resources to learn ______ (18)(wise) and efficiently. Finally, successful learners see learning ______ (19) part of daily life. It is something they will do even after they leave school, even when they are old. As you continue on your learning journey, you should try to walk at your own speed and enjoy the trip. Never lose heart. The road ahead of you may be long and may have many mountains and valleys, _______ (20) it also has great treasure. You will find more joy in living a life with learning! 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 基础生语法填空练习 题干（Unit 4） 答案 理由 In the past, I always ____1.(feel) stressed when I had to give _____2. speech. I used to spend lots of time _____3.(try) to memorize my speech, _____4. I still forgot some parts. Last week, I decided to find ___5. what the right way ____6.(be) to memorize a speech. I looked online and asked friends, and I found many useful ____7.(method). I learnt how ____8.(create) a speech outline. Instead _____9. trying to remember every word of my speech, I remembered the key words first. Then I formed images of these key words in my mind, and linked ____10.(they) in order. Another method is to divide the speech _____11. short sections. I practised the first section until I could _____12.(full) recall it. Then I moved _____13. to the next. This ____14.(help) me to find out which parts of the speech I needed to work on the most. ____15.(final), a friend told me ___16. (I) should have confidence in ____17.(I). Nobody ____18.(know) my speech except me. ____19. I do forget some words, I shouldn’t panic. Just remember the key words and continue! 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 基础生语法填空练习 题干（Unit 4） 答案 理由 Would you like to improve your memory? To start with, it is important to understand how memory _____1 .(work). There are two main____2.(kind) of memory: short-term memory and long-term memory. Short-term memory ____3.(work) you remember things that you may only need for a short time, like phone numbers when you need ___4.make a phone call. Long-term memory is __5. ability to remember things for___6.(day), years, or even a lifetime. So the real question is: How do you make sure what you learn enters your long-term memory? By _____7.(use) some clever memory techniques and leading a ____8.(health) life, you will see some great results. Let’s take ____9. look. First, pay attention. However, you might fail to remember all the_____10.(detail). So, try taking notes by _____11.(write) down key points. After all, it is _____12.(easy) to remember a summary than every word in a passage. Second, use it ___13. lose it. The more you review what you learn, the more likely you will remember it. However, you should not wear _____14.your brain. Try studying ______15. 40 minutes, and then take a break. You can also review information ____16. discussing it with others or by teaching others. A third way is to make use ___17.your senses. Create images by using tables, graphs, and mind maps to organize information. You can also create _____18. story with information and view it in ___19.(you) mind like a film. In addition, make use of your other senses. For example, listening to recorded information can be very _________20.(effectively). 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 学科网（北京）股份有限公司 $ 九年级上册语法填空练习（原文） 题干（Unit 3） 答案 理由 Hua Luogeng was a great mathematician. As_(1) youth, he left high school ____(2) (support) his family. However, he loved maths and did not want to give up. He wondered ____(3) there was a way to continue __(4) (learn). Finally, he decided to teach ____(5)(he) . He later introduced a ___(6)(read) and learning method. He ____(7)(suggest) that learners read and take notes ___ (8) (careful) , then summarize the key points. He once said, “A book starts heavy and thick and then___(9) (become) thinner as you understand it better.” It is hard to believe____(10) such a talent also failed exams in school, but that was true __ (11) him. He said that learning had many ___ (12) (challenge) and it was__(13) (importance) to take things step___(14) step. His story teaches us ____ (15) (stay) positive no matter what ____ (16) (difficult) we meet. Learning is not just about what we need to learn, ____ (17) how we learn. If you believe ___ (18) yourself and keep ____ (19) (practise), you will become a successful ____ (20) (learn). 1 a 不定冠词表泛指；youth 作可数名词“年轻人” 2 to support 不定式作目的状语，表示“为了养家” 3 whether whether 引导宾语从句，表“是否” 4 learning continue doing sth. 继续做某事 5 himself teach oneself 自学，反身代词作宾语 6 reading 动名词 reading 与 learning 并列作定语 7 suggested 全文过去时叙述；suggest+that 从句 8 carefully 副词修饰动词短语 take notes 9 becomes 一般现在时；主语 a book 为三单 10 that that 引导宾语从句，无实义 11 of be true of sb. 对某人属实 12 challenges many 后接可数名词复数 13 important 系动词后接形容词作表语 14 by step by step 固定短语 15 to stay teach sb. to do sth. 教某人做某事 16 difficulties what 后接名词；difficulty 用复数 17 but not just...but... 表并列 18 in believe in oneself 相信自己 19 practising keep doing sth. 持续做某事 20 learner 形容词修饰名词“学习者” 题干（Unit 3） 答案 理由 Everyone has______ (1) ability to learn. Experts______ (2) the science of ______ (3)(learn) will tell you that anyone can become a successful learner. However, many ______ (4)(student) do not realize this, and they have trouble______ (5)(learn). Studies show that the first key to_______(6)(become) a successful learner is to have a growth mindset. This means, in part, ________(7)(believe) in yourself. It also means setting goals, taking action, and meeting challenges. People_______(8) a growth mindset see mistakes_______(9) chances for learning, as they teach ______(10)(we)how to improve. Research also shows that practice is important for learning. The more we practise, the _______(11) (good) we learn. We learn best by practising new and difficult things. Sometimes it is also important to get________(12)(guide) from a teacher or a coach. They can show us the right way to practise and give us important feedback and ______(13)(advice). ______(14) addition, studies show that students learn more when they hang out with other students who are serious about study. By being together, students can _____(15)(easy) learn from each other. Second, students are challenged to do better by each other. This has been proven to encourage learner growth. Successful learners also use the best learning materials they can find. In the 21st century, this means using new technology and resources, not just textbooks. Since there _________(16)(be) so many learning materials on the internet, it is important to think carefully and choose wisely what and how you study. Take advantage ______ (17) the best tools and resources to learn ______ (18)(wise) and efficiently. Finally, successful learners see learning ______ (19) part of daily life. It is something they will do even after they leave school, even when they are old. As you continue on your learning journey, you should try to walk at your own speed and enjoy the trip. Never lose heart. The road ahead of you may be long and may have many mountains and valleys, _______ (20) it also has great treasure. You will find more joy in living a life with learning! 1 the 有后置定语限定，特指用 the 2 in experts in... 某领域的专家 3 learning 介词 of 后接动名词 4 students many 后接可数名词复数 5 learning have trouble (in) doing sth. 6 becoming the key to 中 to 是介词 7 believing mean doing sth. 意味着做 8 with 介词短语作后置定语 9 as see...as... 把……看作…… 10 us 动词后接宾格代词 11 better the+比较级, the+比较级 12 guidance guidance 为不可数名词 13 advice advice 为不可数名词 14 In in addition 此外；句首大写 15 easily 副词修饰动词 learn 16 are there be 句型，主语为复数 17 of take advantage of 利用 18 wisely 副词修饰 learn，与 efficiently 并列 19 as see...as... 把……看作…… 20 but 表转折“但是” 基础生语法填空练习 题干（Unit 4） 答案 理由 In the past, I always ____1.(feel) stressed when I had to give _____2. speech. I used to spend lots of time _____3.(try) to memorize my speech, ___4. I still forgot some parts. Last week, I decided to find ___5. what the right way ___6.(be) to memorize a speech. I looked online and asked friends, and I found many useful __7.(method). I learnt how ___8.(create) a speech outline. Instead _____9. trying to remember every word of my speech, I remembered the key words first. Then I formed images of these key words in my mind, and linked ____10.(they) in order. Another method is to divide the speech _____11. short sections. I practised the first section until I could _____12.(full) recall it. Then I moved _____13. to the next. This ____14.(help) me to find out which parts of the speech I needed to work on the most. ____15.(final), a friend told me ___16. (I) should have confidence in ___17.(I). Nobody ___18.(know) my speech except me. ____19. I do forget some words, I shouldn’t panic. Just remember the key words and continue! 1 felt in the past 用一般过去时 2 a give a speech 固定搭配 3 trying spend time (in) doing sth. 4 but 表转折“但是仍然” 5 out find out 查明、弄清楚 6 was 从句随主句用过去时；way 单数 7 methods many 后接可数名词复数 8 to create 疑问词+不定式作宾语 9 of instead of doing sth. 10 them 动词后接宾格代词 11 into divide...into... 分成 12 fully 副词修饰动词 recall 13 on move on to... 继续 14 helped 全文过去时叙述 15 Finally 副词作状语；句首大写 16 I 从句主语用主格 17 myself 介词后接反身代词 18 knew 全文过去时叙述 19 If 条件状语从句；句首大写 20 — 原文未设第 20 空，无对应题目 基础生语法填空练习 题干（Unit 4） 答案 理由 Would you like to improve your memory? To start with, it is important to understand how memory _____1 .(work). There are two main____2.(kind) of memory: short-term memory and long-term memory. Short-term memory ____3.(work) you remember things that you may only need for a short time, like phone numbers when you need ___4.make a phone call. Long-term memory is __5. ability to remember things for___6.(day), years, or even a lifetime. So the real question is: How do you make sure what you learn enters your long-term memory? By _____7.(use) some clever memory techniques and leading a ____8.(health) life, you will see some great results. Let’s take ____9. look. First, pay attention. However, you might fail to remember all the_____10.(detail). So, try taking notes by _____11.(write) down key points. After all, it is _____12.(easy) to remember a summary than every word in a passage. Second, use it ___13. lose it. The more you review what you learn, the more likely you will remember it. However, you should not wear _____14.your brain. Try studying ______15. 40 minutes, and then take a break. You can also review information ____16. discussing it with others or by teaching others. A third way is to make use ___17.your senses. Create images by using tables, graphs, and mind maps to organize information. You can also create _____18. story with information and view it in ___19 (you) mind like a film. In addition, make use of your other senses. For example, listening to recorded information can be very _________20.(effectively). 1 works 一般现在时；主语为三单 2 kinds two 后接可数名词复数 3 helps 主语三单；help sb. do sth. 4 to need to do sth. 需要做某事 5 the 有不定式限定，特指用 the 6 days 与 years 并列用复数 7 using 介词 by 后接动名词 8 healthy 形容词修饰名词 life 9 a take a look 固定短语 10 details all 后接可数名词复数 11 writing 介词 by 后接动名词 12 easier than 提示用比较级 13 or use it or lose it 用进废退 14 out wear out 使精疲力竭 15 for for+时间段 16 by by doing sth. 通过做某事 17 of make use of 利用 18 a 单数名词首提用不定冠词 19 your 物主代词修饰 mind 20 effective 系动词后接形容词作表语 1 学科网（北京）股份有限公司 $