Unit 5 A fine balance 单词讲解课件 2026-2027学年外研版英语九年级上册

这是一份Unit 5 A fine balance 单词讲解课件 2026-2027学年外研版英语九年级上册，共37页。
AI 生成1drop/drɒp/v. 降低；n. 滴Unit 5 . Word Study词形drops ｜ dropped ｜ dropped ｜ dropping记忆联想“drop”与“drip”（滴）搭配① drop in（顺便拜访）② drop off（下降；放下）③ drop by（顺便来访）近义decrease / fall反义rise / increase易错过去式双写p。例句The temperature will drop quickly tomorrow明天温度会迅速下降。AI 生成2tourist/ˈtʊərɪst/n. 游客Unit 5 . Word Study词形tourists记忆tour（旅行）+ -ist搭配① tourist attraction（旅游景点）② tourist industry（旅游业）近义visitor / traveler易错发音为/ˈtʊərɪst/，注意“ou”音。例句Many tourists come to this beautiful city every year每年许多游客来到这座美丽的城市。AI 生成3ecosystem/ˈiːkəʊˌsɪstɪm/n. 生态系统Unit 5 . Word Study词形ecosystems记忆eco（生态）+ system（系统）搭配natural ecosystem（自然生态系统）近义biome易错合成词，重音在“eco”和“sys”？例句Forests play an important role in the natural ecosystem森林在自然生态系统中起着重要作用。AI 生成4balance/ˈbæləns/v. 平衡；n. 平衡Unit 5 . Word Study词形balances ｜ balanced ｜ balanced ｜ balancing记忆谐音“摆篮子”→ 保持平衡搭配① keep a balance（保持平衡）② balance of nature（自然平衡）③ out of balance（失衡）近义equilibrium / poise反义imbalance易错发音为/ˈbæləns/，不是/ˈbɑːləns/。例句We should keep the balance of nature around us我们应该保持周围自然的平衡。AI 生成5smog/smɒɡ/n. 烟雾Unit 5 . Word Study词形不可数名词记忆smoke（烟）+ fog（雾）的混合词搭配heavy smog（重度雾霾）近义haze / pollution易错不可数，无复数。例句Heavy smog makes it hard for people to breathe outside重度雾霾使人们户外呼吸困难。AI 生成6admire/ədˈmaɪə/v. 欣赏，观赏Unit 5 . Word Study词形admires ｜ admired ｜ admired ｜ admiring记忆ad（加强）+ mire（惊奇）→ 惊叹搭配① admire sb for（因……钦佩某人）② admire the view（欣赏景色）近义appreciate / esteem反义disdain / despise易错发音为/ədˈmaɪə/，重音在第二音节。例句We all admire the beautiful natural sights in the mountain我们都欣赏山里美丽的自然风光。AI 生成7mark/mɑːk/n. 痕迹；标记Unit 5 . Word Study词形marks ｜ mark（做标记）记忆联想“mark”与“remark”（评论）搭配① make a mark（做标记）② question mark（问号）③ high mark（高分）近义sign / imprint / stain易错发音为/mɑːk/，注意英式长音。例句There are some strange marks on the old tree老树上有一些奇怪的痕迹。AI 生成8farmland/ˈfɑːmlænd/n. 农田，耕地Unit 5 . Word Study词形不可数名词记忆farm（农场）+ land（土地）搭配protect farmland（保护农田）近义cropland / arable land易错不可数。例句We should protect farmland from being polluted我们应该保护农田免受污染。AI 生成9rapid/ˈræpɪd/adj. 快速的，迅速的Unit 5 . Word Study词形more rapid ｜ most rapid ｜ rapidity记忆联想“rapid”与“rape”（抢）？搭配① rapid development（快速发展）② rapid response（快速反应）近义fast / swift / quick反义slow / gradual辨析*rapid* 侧重速度变化快，*fast* 侧重持续高速。易错发音为/ˈræpɪd/，重音在前。例句There is a rapid development of our city these years这几年我们城市快速发展。AI 生成10society/səˈsaɪəti/n. 社会Unit 5 . Word Study词形societies ｜ social记忆联想“social”搭配① modern society（现代社会）② civil society（公民社会）近义community / civilization易错发音为/səˈsaɪəti/，注意“cie”音。例句Everyone has a duty to make our society better每个人都有责任让我们的社会更美好。AI 生成11till/tɪl/conj. 直到Unit 5 . Word Study词形until（更正式）记忆till = until搭配not...till（直到……才）近义until易错在否定句中常用until。例句We will wait here till the rain stops我们会在这里等到雨停。AI 生成12cancel/ˈkænsl/v. 取消Unit 5 . Word Study词形cancels美式cancelled（英式）或 canceled（美式）词形cancelled / canceled ｜ cancelling / canceling记忆can（能）+ cel（取消）？搭配① cancel the meeting（取消会议）② cancel out（抵消）近义call off / abolish反义confirm / arrange易错英式拼写双写l，美式单写l。例句They have to cancel the sports meeting because of the bad weather因为天气不好他们不得不取消运动会。AI 生成13permit/pəˈmɪt/v. 允许；使成为可能Unit 5 . Word Study词形permits ｜ permitted ｜ permitted ｜ permitting记忆per（通过）+ mit（送）→ 允许通过搭配① permit sb to do（允许某人做）② permit doing（允许做）近义allow / let反义forbid / prohibit辨析*permit* 较正式，*allow* 较普通，*let* 后接不带to的不定式。易错过去式双写t，重音在第二音节。例句The teacher doesn't permit us to eat in class老师不允许我们在课上吃东西。AI 生成14organisation/ˌɔːɡənaɪˈzeɪʃən/n. 组织，团体，机构（英式）Unit 5 . Word Study美式organization词形organisations ｜ organise记忆organise + -ation搭配① World Health Organisation（世界卫生组织）② non-profit organisation（非营利组织）近义association / institution易错英式拼写用-s-，美式用-z-。例句This organisation helps homeless animals every day这个组织每天帮助无家可归的动物。AI 生成15harm/hɑːm/v. 损害；危害；伤害Unit 5 . Word Study词形harms ｜ harmed ｜ harmed ｜ harming记忆联想“harm”与“harsh”（严厉）搭配① do harm to（对……有害）② harm the environment（危害环境）近义damage / hurt / injure反义benefit / protect易错发音为/hɑːm/，不要读成/hærm/。例句Smoking will do great harm to your body吸烟会对你的身体造成很大伤害。AI 生成16punishment/ˈpʌnɪʃmənt/n. 惩罚手段；处罚Unit 5 . Word Study词形punishments ｜ punish记忆punish + -ment搭配① severe punishment（严厉惩罚）② capital punishment（死刑）近义penalty / discipline反义reward / praise易错拼写为punishment，不是punishmant。例句He gets punishment for breaking the school rules他因违反校规受到处罚。AI 生成17global/ˈgləʊbl/adj. 全球的，全世界的Unit 5 . Word Study词形more global ｜ most global ｜ globe记忆globe（地球）+ -al搭配① global warming（全球变暖）② global economy（全球经济）近义worldwide / international反义local / regional易错发音为/ˈgləʊbl/，注意“o”的长音。例句Global warming is a serious problem around the world全球变暖是世界范围内的严重问题。AI 生成18overfishing/ˌəʊvəˈfɪʃɪŋ/n. 过度捕捞Unit 5 . Word Study词形不可数名词记忆over（过度）+ fishing（捕鱼）搭配stop overfishing（停止过度捕捞）近义overexploitation易错合成词，重音在“fish”。例句Overfishing makes fewer and fewer fish in the sea过度捕捞使海里鱼越来越少。AI 生成19greenhouse/ˈɡriːnhaʊs/n. 温室，暖房Unit 5 . Word Study词形greenhouses记忆green（绿色）+ house（房子）→ 种绿植的房子搭配① greenhouse effect（温室效应）② greenhouse gas（温室气体）近义hothouse / conservatory易错合成词，复数加-es。例句We grow vegetables in the warm greenhouse in winter冬天我们在温暖的温室里种蔬菜。AI 生成20gas/gæs/n. 气，气体Unit 5 . Word Study词形gases记忆联想“gasoline”（汽油）搭配① greenhouse gas（温室气体）② gas station（加油站）近义vapor / fume易错复数加-es（因为以s结尾）。例句Many cars produce harmful gas every day许多汽车每天产生有害气体。AI 生成21control/kənˈtrəʊl/v. 控制，限制Unit 5 . Word Study词形controls ｜ controlled ｜ controlled ｜ controlling记忆contra（相反）+ roll（滚）→ 反着滚动→控制搭配① control pollution（控制污染）② under control（在控制之下）③ out of control（失控）近义regulate / manage反义release / free易错过去式双写l，重音在第二音节。例句We must control the pollution around our home我们必须控制我们家园周围的污染。AI 生成22rubbish/ˈrʌbɪʃ/n. 垃圾，废弃物Unit 5 . Word Study词形不可数名词记忆联想“rubbish”与“rub”（擦）搭配① throw away rubbish（扔垃圾）② rubbish bin（垃圾桶）近义garbage / trash / waste易错不可数，英式常用，美式用trash。例句We shouldn't throw rubbish into the river我们不应该往河里扔垃圾。AI 生成23cartoonist/kɑːˈtuːnɪst/n. 漫画家；动画家Unit 5 . Word Study词形cartoonists记忆cartoon + -ist搭配political cartoonist（政治漫画家）近义animator / caricaturist易错重音在第二音节。例句This cartoonist draws many interesting environmental cartoons这位漫画家画了很多有趣的环境漫画。AI 生成24logging/ˈlɒɡɪŋ/n. 伐木Unit 5 . Word Study词形不可数名词词形log（砍伐）记忆log（圆木）+ -ing搭配illegal logging（非法伐木）近义deforestation（森林砍伐）易错发音为/ˈlɒɡɪŋ/，注意“o”的短音。例句Too much logging will destroy the forests过度伐木会破坏森林。AI 生成25alarm/əˈlɑːm/n. 警报；警报器Unit 5 . Word Study词形alarms ｜ alarm（使惊恐）记忆联想“alarm”与“arm”（武器）搭配① fire alarm（火警）② alarm clock（闹钟）③ raise the alarm（发出警报）近义warning / siren易错发音为/əˈlɑːm/，重音在第二音节。例句The fire alarm went off in the building just now刚才大楼里的火警响了。AI 生成26foreigner/ˈfɒrənə/n. 外国人Unit 5 . Word Study词形foreigners记忆foreign（外国的）+ -er搭配friendly to foreigners（对外国人友好）近义alien / non-native反义local / native易错发音为/ˈfɒrənə/，注意“eign”中的“g”不发音。例句Many foreigners come to visit China every year每年许多外国人来中国旅游。AI 生成27logo/ˈləʊɡəʊ/n. 标识，标志，徽标Unit 5 . Word Study词形logos记忆联想“logotype”搭配company logo（公司标志）近义emblem / trademark易错发音为/ˈləʊɡəʊ/，注意“o”的长音。例句Every brand has its own special logo每个品牌都有自己的特殊标志。AI 生成28endangered/ɪnˈdeɪndʒəd/adj. 濒危的，濒于灭绝的Unit 5 . Word Study词形more endangered ｜ most endangered ｜ endanger记忆en（使）+ danger（危险）+ -ed搭配① endangered species（濒危物种）② endangered animals（濒危动物）近义threatened / vulnerable反义safe / protected易错发音为/ɪnˈdeɪndʒəd/，重音在第二音节。例句We should take action to protect endangered animals我们应该采取行动保护濒危动物。AI 生成29vulnerable/ˈvʌlnərəbl/adj. 脆弱的；易受伤的Unit 5 . Word Study词形more vulnerable ｜ most vulnerable记忆联想“vulnerable”与“wound”（伤口）搭配① vulnerable to（易受……伤害）② vulnerable species（脆弱物种）近义fragile / susceptible反义resilient / tough易错发音为/ˈvʌlnərəbl/，注意“l”和“n”。例句Small animals are very vulnerable in the wild小动物在野外非常脆弱。AI 生成30worldwide/ˌwɜːldˈwaɪd/adv. 世界各地Unit 5 . Word Study词形worldwide记忆world（世界）+ wide（广泛的）搭配known worldwide（世界闻名）近义globally / internationally反义locally易错副词和形容词同形，重音在后。例句This environmental problem is famous worldwide这个环境问题世界闻名。AI 生成31protection/prəˈtekʃən/n. 保护Unit 5 . Word Study词形不可数名词词形protect记忆protect + -ion搭配① protection of（……的保护）② under protection（受保护）近义preservation / conservation反义harm / destruction易错发音为/prəˈtekʃən/，重音在第二音节。例句Wild animal protection is very important for us野生动物保护对我们很重要。AI 生成32environmental/ɪnˌvaɪrənˈmentl/adj. 自然环境的Unit 5 . Word Study词形more environmental ｜ most environmental ｜ environment记忆environment + -al搭配① environmental protection（环境保护）② environmental problems（环境问题）近义ecological反义unnatural易错拼写复杂，注意“n”和“m”。例句We learn many environmental problems in our biology class我们在生物课上学习很多环境问题。AI 生成33population/ˌpɒpjuˈleɪʃən/n. 人口；动植物的总数Unit 5 . Word Study词形populations记忆popul（人民）+ -ation搭配① population growth（人口增长）② population density（人口密度）近义inhabitants / residents易错发音为/ˌpɒpjuˈleɪʃən/，重音在“-leɪ-”。例句The population of this city is growing fast这个城市的人口增长很快。AI 生成34undoubtedly/ʌnˈdaʊtɪdli/adv. 毫无疑问地，确定无疑地Unit 5 . Word Study词形more undoubtedly ｜ most undoubtedly ｜ undoubted记忆un（不）+ doubt（怀疑）+ -ed + -ly搭配undoubtedly the best（无疑是最好的）近义certainly / definitely反义doubtfully易错发音为/ʌnˈdaʊtɪdli/，注意“t”的发音。例句Undoubtedly, protecting nature is our duty毫无疑问，保护自然是我们的责任。AI 生成35survival/səˈvaɪvl/n. 继续生存；幸存Unit 5 . Word Study词形不可数名词词形survive记忆sur（超过）+ vive（生命）→ 活下来搭配① survival of the fittest（适者生存）② survival skills（生存技能）近义existence / endurance反义extinction易错发音为/səˈvaɪvl/，重音在第二音节。例句Water is very important for the survival of all living things水对所有生物的生存非常重要。AI 生成AI 生成