Unit 6 学案2023-2024学年人教版九年级英语全册

九上Unit 6综合复习 【知识精讲】 1. invent invent为及物动词，意为“发明；创造”，指创造出以前不存在的东西，尤其指科技上的发明创造。 eg:---- Do you know who invented the electric light bulb? ---- Edison. 【助记】 invent（v. 发明；创造）---- inventor----- invention 2. by accident by accident 偶然，无意中，与by chance的意思相同。 eg:I met her by accident in a crowded bus. I found the history book in the corner of the shop by accident. Our meeting in Paris was by accident. 【注意】 by accident主要用作状语，有时也用作表语。 3. remain remain用作不及物动词，意为“停留；逗留”等。 eg:A few pears remain on the tree. She remained in her office all afternoon. 【拓展】 remain用作连系动词时，意为“保持不变；仍然是”，后接形容词、名词、分词或介词短语做表语。 eg:The room remains cool all summer. She remained sitting when they came in. 4. some time some time意为“一段时间”。 eg：I will stay here for some time. 辨析：some time, sometimes, some times与sometime 词（组） 词性 意思 用法 Some time 名词短语 一段时间 常常与延续性动词连用，对它提问用how long sometimes 频度副词 有时 表示动作发生的频率，多余一般现在时连用，它可位于句首、句中或句末，对它提问用how often Some times 名词短语 几次，几倍 其中time是可数 名词，对它提问用how many times sometime 副词 某时 表示某个不确切或不具体的时间，常用于过去时或将来时，对它提问用when eg:I need some time to do my homework. She comes to visit us sometimes. Lucy has been to Beijing some times. Jack will leave for America sometime next week. 5. take place take place意为“发生；出现；举行”。常指有计划、有安排地“发生”。 eg:Great changes have taken place in my hometown in the past ten years. The next meeting will take place on Thursday. 辨析：take place与happen 二者都有“发生”之意，都无被动语态，但用法不同，具体如下表： 词（组） 用法 take place “发生；出现；举行”，一般指非偶然性事件的发生，即事件的发生一定有某种原因或事先经过安排 happen “发生；碰巧”，一般用于偶然或突发性事件 eg：The celebration ceremony takes place in July every year. Accidents like this happen all the time. 6.in the 19th century 意为“在19世纪”，其中century为名词，意为“世纪；百年”。 eg：I think advertising was highly developed in the twentieth century. 【注意】 ( 1 ) “在某世纪”要用介词in。 ( 2 ) 在“第几世纪”中必须用序数词，而且应在序数词前加定冠词the。 ( 3 ) 表达“.......世纪......年代”时要在前面加定冠词the。 7.divide divide v. 分配；隔开；除尽 eg:He divided his energies between politics and business. 【辨析】 divide划分；指把一个整体分为若干部分，常和into连用。 separate分隔；指把原来在一起的个体分开，常和from连用