2021新版北师大版必修第二册英语Unit 5SectionⅡ 突破语法大冲关 同步讲解.doc

1、1/8 构词法派生 观察例句 1He encouraged me to be a writer in the future. 2In the past few years，Lucy has formed the habit of keeping a supply of candles in case of a power failure. 3It is natural that young people are often uncomfortable when they are with their parents. 4Todays experience taught me some valu

2、able lessons in my life. 5I love children very much because I always feel that they bring great happiness and excitement to my life. 归纳用法 (一)前缀 1表示否定意义的前缀 (1)un- unfortunate 不幸的 unable 不能够的 uncomfortable 不舒服的 (2)in- inconvenient 不方便的 incorrect 不正确的 informal 不正式的 (3)im- impolite 不礼貌的 imperfect 不完美的 i

3、mpossible 不可能的 (4)il- illegal 违法的 illogical 不合逻辑的 2/8 (5)ir- irregular 不规则的 irrelevant 不相关的 (6)non- nonviolent 非暴力的 nonprofit 非盈利的 (7)dis- dislike 不喜欢 disapprove 不赞成 dishonest 不诚实的 disadvantage 弊端，不利条件 2表示其他意义的常见前缀 (1)en- 使 enable 使能够 enrich 使丰富 enlarge 扩大，使变大 endanger 危及 (2)re- 再，又 retell 复述 review

4、 复习 reunite 团聚 (3)mis- 错误 misunderstand 误解 mislead 误导 misread 误读 (4)pre- 在之前 preview 预习 prereading 读前 prehistoric 史前的 (5)fore- 在前面 3/8 forehead 前额 foretell 预言 forecast 预测，预报 (6)inter- 在之间，互相 international 国际的 interact 互动 interpersonal 人际的 (7)trans- 转变，变换 translate 翻译 transport 运输 transform 转变，改造 (二)

5、后缀 1形容词后缀 (1)- y windy 有风的 lucky 幸运的 healthy 健康的 (2)- ly friendly 友好的 deadly 致命的 lively 活泼的 (3)- al natural 自然的 national 国家的 personal 个人的 (4)- ive attractive 吸引人的 effective 有效的 impressive 印象深刻的 (5)- ic/- ical 4/8 historic 有历史意义的 energetic 精力充沛的 historical 历史的 (6)- ous famous 著名的 dangerous 危险的 myster

6、ious 神秘的 (7)- ful wonderful 精彩的 beautiful 美丽的 hopeful 有希望的 (8)- less careless 粗心的 homeless 无家可归的 helpless 无助的 (9)- able comfortable 舒适的 acceptable 可接受的 reasonable 合乎情理的 adaptable 可适应的 2名词后缀 (1)表示“人”的名词后缀 er cleaner 清洁工 reporter 记者 employer 雇主，老板 or inventor 发明家 actor 演员 visitor 游客 5/8 ist artist 艺术家

7、 scientist 科学家 pianist 钢琴家 dentist 牙科医生 ess hostess 女主人 waitress 女服务员 actress 女演员 ian musician 音乐家 politician 政治家 historian 历史学家 (2)表示其他意义的常见名词后缀 th truth 真相 strength 力量，强项 width 宽度 depth 深(度) warmth 温暖 dom freedom 自由 boredom 无聊，厌烦 wisdom 智慧 ment development 发展 achievement 成就 amazement 惊讶 excitement

8、 兴奋 ness 6/8 happiness 幸福 weakness 弱点 kindness 善良 seriousness 严重性，严肃性 tion/sion competition 竞争 construction 建设 discussion 讨论 conclusion 结论 admission 接纳，准许入学 ance/ence importance 重要性 appearance 出现，相貌 existence 存在 patience 耐心 confidence 信心 (t)y difficulty 困难 loyalty 忠诚 cruelty 残忍 safety 安全 responsibil

9、ity 职责，责任 al arrival 到达 approval 赞成，批准 survival 幸存 3动词、副词后缀 (1)- en widen 加宽 deepen 加深 7/8 weaken 削弱 (2)- ize apologize 道歉 emphasize 强调 memorize 记住 (3)- ly slowly 慢慢地 happily 高兴地 extremely 极其地 surprisingly 令人惊讶地 .单句语法填空 1 Thankfully (thank)， I managed to get through the game and the pain was worth i

10、t in the end. 2The sightseeing options are endless (end)，but most travelers begin on the harbor at the Sydney Opera House. 3Ron had a successful (success) career and worked for Ford before retiring and leading a relaxed life. 4Only in this way can they grow up to be independent (depend) and become t

11、ruly successful (success) 5My first impression (impress) of him was that he was a kind and thoughtful (thought) young man. 6A group of robbers entered the building using equipment (equip) to dig holes and destroy walls on Sunday night. 7Not knowing how to operate the computer is one of the disadvant

12、ages (advantage) in finding jobs. 8 News of the robberies frightened (fright) many people into fitting new locks to their doors. 9The high school boys love playing basketball，and it is a useful (use) way to release their study pressure (press) 10Anyone，whether he is an official or a bus driver (driv

13、e)，should be equally 8/8 (equal) respected. .短文语法填空 Professor Smith，one of the famous 1.educators(educate)，comes from a 2.European(Europe) country.We all respect him for his 3.devotion(devote) to teaching.He 4.frequently(frequent) goes to gym to play basketball with us.After 5.graduation(graduate)，h

14、e 6.has been teaching(teach) in our school for 20 years.He tells us that we students should know our own strengths and 7.weaknesses(weak)He always 8.encourages(courage) us to speak English everywhere.With his 9.assistance(assist)，we made rapid progress in our English.He leaves us a deep 10.impression(impress)