中考英语必记短语O字母开头讲义

O字母开头短语 of course当然 例句Of course, smoking is not allowed in the hall.当然,在大厅内吸烟是不允许的. on average①平均;②按平均计算 例句①We receive 20 calls a day on average.我们平均每天接20个电话. ②On average men still earn more than women.平均来看,男性仍比女性挣得多. on board在船上;在飞机上 例句There are 12 children on board.船上有12名儿童. on business因公出差 例句I am going to Shanghai on business.我要去上海出差. on display展览,陈列 例句①The paintings on display are wonderful.展出的绘画实在是好看极了. ②Many old photos were on display in the hall.大厅里展出了许多旧照片. 同义on show 展览;展出 例句This picture will be on show next week.这张照片下周将要展出. on duty值日;当班 例句①Luckily, there was a guard on duty.幸运的是,有一个保安在值班. ②Tell them to wear the uniforms when they are on duty.告诉他们值班时要穿制服. once upon a time从前 例句Once upon a time there was a rich village.从前有一个富裕的村庄. once again再一次;又一次 例句①She sang the song once again.她又唱了一遍这首歌. ②The teacher asked me to say the new word once again.老师让我再说一遍这个新单词. one after another一个接一个地;相继地 例句The students came into the classroom one after another.学生们一个接一个地走进教室. one by one逐个;一个接一个 例句We always went out of the back door one by one.我们总是一个一个地从后门出去. one...the other一个······另一个 例句I have two brothers. One is a doctor, and the other is a teacher.我有两个弟弟,一个是医生,另一个是老师. 拓展one...another, one...the others...与some...others... (1)one...another...表示不定数目中的“另一个”. 例句I don't like this one. Show me another, please.我不喜欢这个,请拿另外一个给我看看. (2)one...the others...表示确定数目中的“其余”的. 例句 Of the six students, one is going home, and the others are going to the cinema.6个学生中,1个将要回家,其余的(5个)打算去看电影. (3)some...others...表示许多人或物中的“一部分”和“另一部分(并非全部)”. 例句There are lots of people in the park on Sunday. Some are walking and others are climbing the hill.星期日公园里有许多人,有的在散步,有的在爬山. one day某一天 例句One day, he will come back.总有一天他会回来的. on earth①世界上;②究竟;到底 例句①He is the happiest man on(the) earth.他是世界上最幸福的人. ②Why on earth didn't you tell me the truth 你到底为什么不跟我说实话 同义 in the world 世界上 例句 To parents, their children are the best in the world.对父母来说,他们的孩子是世界上最好的. on foot步行 例句①I go to school on foot.我步行去上学. ②I prefer to go there on foot.我更愿意步行到那里. on fire着火 例句The house was on fire.房子着火了. on holiday在度假 例句 I'll go on holiday next month.我下个月去度假. on one's/the way (to)在去······的路上 例句①She fell down on the way to work.她在去上班的路上摔倒了. ②I happened to see him on my way home.我碰巧在回家的路上看到他. on sale廉价出售 例句 I got this hat on sale.这顶帽子我是减价时买来的. on show展览;展出 例句They saw many old things on show in the museum.他们在博物馆看见了很多展出的古玩. on the edge of在······ ... ...