选修七unit3知识点

【维词课堂】人教版B7U31. 相对而坐的opposite上面这幅图中两个人相对而坐，我们可能会想到“对面的女孩看过来”这句歌词，而“对面的”所对应的英文单词就是opposite。

opposite在本单元中作为介词出现，释义为“在……对面”。

除了介词外，高考中常出现的还有形容词、名词词性。

高考对opposite的考查常出现在阅读理解和完形填空中，写作中也有考查。

下面给大家准备了几个高考中的句子，你能准确地说出opposite在不同句子中的释义吗？高考中出现的opposite若要准确把握具体语境中opposite 的释义，我们还需从其词源义着手。

下面让我们一起来学习一下opposite 的词源：由此可见，opposite 的词源义是“对面的”，其他释义都是由词源义衍生而来。

详解■adj [无比较级]◆ [通常用于名词前]Her room is opposite to mine.的对面。

His parents work at opposite ends of the country , so they only see each other at weekends. 他的父 母在这个国家相距很远的两个地方工作，因此 只能周末见面。

相反的；完全不同的：in the opposite direction I thought this medicine would make me sleep, but it had the opposite effect . 我以为这种药能让我睡 着，但效果却相反。

Some others have just the opposite opinion .■ prep 在…的对面：The hotel is only 5 blocks away opposite the bank. 那家宾馆离这里只有5个街区，在银行的对面。

2011 全国改■n [C] [常用对立物：Long is the opposite of short. I didn’t feel sleepy at all — just the opposite , in fact.我一点儿都不困，事实上正好相反。

Unit3The world online语言点：牛新阁：学习目标重点词汇abundant//command,diverse,correspond,address,evaluate,withdraw,alarm, ab andon,appointment,comb,specific,relevant,bother,acknowledge//attach重点短语turn to,up to date,drop out,a bunch of,what’s more重点句型mak e surethe+比较级...,the+比较级知识讲解重点词汇abundant//command【原句回放】With the touch of a button or the click of a mouse,a stud ent will find abundant information from the largest libraries and museums in the world at his or her command.一名学生轻按键盘键或点击鼠标，就能从世界上最大的图书馆和博物馆中找大量信息，加以使用。

【点拨1】abundant adj.大量的，丰富的，充裕的常用搭配：be abundant in=be rich in含有丰富的……；富于The tree is abundant in fruit.这棵树果实累累。

The coastline is abundant in rare species of plants.这条海岸线有大量珍稀植物物种。

W e have abundant evidence that cars have a harmful effect on the environment.我们有充足的证据证明汽车对环境有不良影响。

【拓展】abundantly adv.大量地，丰盛地，充裕地abu n d an ce n.大量，丰富，充裕【点拨2】command n.命令；［U］指挥，控制；掌握vt.命令；指挥，统率常用搭配：in command of控制，指挥have a command of掌握，精通at one’s command在某人的掌控中command sb.to do sth.命令某人做某事command+that从句命令……(宾语从句的谓语多用虚拟语气“should+动词原形”，should可省)Y ou mu st obey the capt ain’s com mands.你必须服从船长的命令。

高中英语选修七Unit 3 Under the sea语言点总结Unit 3 Under the seaI have done my share of the work.My wife shared with me in distress.We shared in his joy.Lester, the second son, was his father's favorite.Pepsi is my favorite drink.Employees are entitled to an annual paid leave of fifteen days. Mr. Watson's annual income is US$20,000.Are beans annuals?I was a witness to the argument.He was called as a defense witness.I witnessed the traffic accident.The two servants witnessed Mr. Smith's will.All sorts of lamps are available in that shop. That's just the sort of thing I want.He was sorting his foreign stamps.6. accommodation n. 1) rooms for living in2) lodings, rooms and foodmake an accommodation to wartime conditionsHe called the hotel for accommodations.The motorcycle crashed into the fence.An airliner crashed west of Denver last night.His company crashed last year.She yelled a warning to us.I heard a yell inside.9. grab v. 1) grasp sth suddenly or roughly2) seize sb/sth eagerly3) take or have sthThe thief grabbed the purse and ran away with it. Dad grabbed some breakfast and went off to work.She grabbed at the money.10. distance n. 1) space between two points or places 2) distant placer or pointsIt is a long distance from New York to Hongkong. They saw a few houses in the distance.Lately she has seemed to distance herself from me.11. pack v. 1) put sth into a container2) cover or protect sth with3) fillThe tourist carried a pack on his back.He used to smoke a pack of cigarettes a day.A pack of hounds chased the fox.He packed his clothes into a trunk.We packed the books before we moved.12. wound v/n 1) give a wound to sb2) hurt3) injuryHe had a bullet wound in his chest.That was a wound to the child's pride.The shot wounded her left arm.13. meantime n/adv 1) meanwhile2) during a period of time3) give food toThe war dragged on. In the meantime, an economic crisis took place in that countryI'll be here first thing in the morning, and meantime she'll get some rest.Her hands were rough with work.They built a rough model out of sticks and wire.Martin had a rough manner.The crew abandoned the burning ship.The broken bike was found abandoned by the river side.She abandoned herself to despair.He cautiously approached the house.Have you approached the manager about taking a day off next week?He approached the question as a scientist.Snow announced the approach of winter.Useful phrasesWho prevents their plans from being carried out? Of course I can't prevent your going.。