2022-2023中考英语必记单词U字母开头

这是一份2022-2023中考英语必记单词U字母开头，共4页。
U字母开头单词ugly/adj.难看的;丑陋的umbrella /n.伞【搭配】under the umbrella of在·····的保护下uncle /n.叔,伯,舅;姨父,姑父under/prep.&adv.在······下面;向下【搭配】under foot 地上under one's eyes显而易见underground/adj.地下的;地面下的;秘密的n.地铁【搭配】by underground 乘地铁take the underground 乘地铁undersea /adj.海底的understand / vt. & vi.(understood, understood)懂得;理解【搭配】make sb. understood 使某人被理解【例句】Later on, I realized that it doesn't matter if you don't understand every word.后来,我意识到如果不是每个单词你都懂也没有关系.unfair /adj.不公平的universe /n.宇宙university /n.综合型大学【搭配】go to university 上大学【辨析】university, college与instituteuniversityuniversity通常指综合型大学collegecollege指综合型大学内的学院或高等专科学校instituteinstitute指专科学院【例句】My mother is an English teacher in a university in Beijing.我妈妈是北京一所大学的英语教师.unless /conj.除非;如果不【用法】unless连接一个条件从句,等于if...not,因此在有些场合中unless与if...not可互换使用.但有些情况下,二者不可互换使用:(1)当unless引导非真实条件句时,一般不可改用if...not.(2)if...not引导的条件分句可以重叠使用,unless则不可.(3)unless引导的条件句可用否定结构,而if...not引导的条件句不可再加以否定.(4)当if引导名词性从句时,unless不可代替if...not,因为if=whether(“是否”).(5)当unless作介词(“除······以外”,“除非”)时,if...not不能与其互换使用.中考真题Father is too tired today. Don't call him_________ it is necessary.A. ifB. unlessC. whenD. whether解析:考查连词.句意:爸爸今天太累了.除非必要,否则不要给他打电话.if如果,引导条件状语从句;unless除非,引导条件状语从句;when当······的时候,引导时间状语从句;whether是否.根据前半句“不要打电话给他”可知,除非有必要.答案:Bunlike /prep.不同的,不相似的,相异的【反义词】likeunlucky /adj.不走运的,不幸的;不吉利的,不吉祥的,时运不济的,不巧的until /conj.&prep.直到······为止【搭配】not...until 直到······才【用法】until用于肯定句,与延续性动词连用;用于否定句,与非延续性动词和心理状态动词连用,如come, go, know, realize等.not until用于句首时,主句要用倒装;not until亦可构成强调句型“It is not until...that...”表示“直到··..·才.....”.【例句】The tired children don't get home until 7 pm.疲劳的孩子们下午7点才回家.中考真题I waited_______ they finished talking.A .untilB. ifC. because 解析:考查连词词义辨析.;until直到·...··为止;if假如,如果;because因为.句意:我等待他们结束谈话.由句子的后半部分推知是我一直等到之意.答案:Aup /adv.&prep.向上;起立【搭配】up and down 上上下下;前前后后;来来回回do up扣(纽扣);收拾;打扮What's up?怎么了?eat up 吃完give up放弃use up 用完;耗尽take up 占用stand up 站起来wake up 醒来set up 建立;成立put up 搭建;建造upon /prep.在······上面upstairs /adv.在楼上;往楼上 adj.楼上的;在楼上的【用法】upstairs与downstairs一样,作定语时,习惯上要位于被修饰名词的后面.us /pron.我们(宾格)useful /adj.有用的;有益的use /n.利用;使用;用途【搭配】it is no use doing sth.做某事没有用make use of 利用for use 供使用【例句】Doctor use medicine to help sick people.医生用药来帮助生病的人.used /adj.旧的,用过的;惯常的【搭配】be used to sth. /doing sth.习惯于某事／做某事used to do sth.过去常做某事【例句】I used to be afraid of the dark.过去我害怕黑暗.中考真题-My father________ to his workplace by bus, but now he________ there by bike.-Really? You have an environmentally-friendly father.A. used to go, is used to goB. used to going, is used to goC. is used to go, is used to goingD. used to go, is used to going解析:考查非谓语动词.句意:我爸爸过去常常乘公交车去他的工作场所,但是现在他习惯于骑自行车去那儿了.分析句意可推知:我爸爸过去常常乘公交车,用used to表示;根据后半句句意:现在他习惯于骑自行车去那儿了,用is used to表示.答案:Dusual/adj.通常的;平常的【搭配】as usual 跟往常一样;像平常一样usually/adv.通常中考真题I________ ride a bike to school. But this morning I took a taxi because I got up late.A. neverB. sometimesC. seldomD. usually解析:由“But this morning”可知这种情况不常发生.上句应填表示“经常”的词,所以选D.答案:D