仁爱版八年级上Unit4 Topic 1辅导资料.doc

Unit 4 Our World Topic 1 Plants and animals are important for us教学引言 通过让学生们学习用英语谈论和描述自然界的一些动植物，主要学习和掌握形容词比较级的用法。 通过教学让学生能养成保护环境，爱护动植物的意识。中考要求重难点词汇：butterfly, frog, snake, fox, sea, stream, beach, seaside, lake, ocean, nature, sunshine, forest, sky, rainforest, earth, share, joy, rose, countryside, everywhere, noise, wild, feed, fast flowing, meter, control, clear, rubber, protect, write, dangerous, surface, drop, cover, lay, lose, wood. 重点短语：talk to , think about, in danger, thousands of, feed on, in nature, in fact, find out, look for, lay eggs. 语法：1.形容词的比较级和最高级及其用法。日常交际用语：I think animals are more interesting.Plants are more beautiful than animals.We share the world with them.They are now in danger.There are also greener trees, clearer rivers and lovelier farm animals.The plants stay greener for longer there.Rainforests cover 6% of the surface of the earth.But it is one of the most dangerous fish in the world.Its so strange.We must save every drop of water.要点聚焦-本单元重点扫描课堂小贴1: I think animals are more interesting. 我认为动物更加有趣. Im interested in playing sports. 我对体育运动感兴趣。【辨析】interesting 与 interestedInteresting是形容词，意思是“令人感兴趣的”，说的是“物”性的，一般在句中做表语（主语为事物）、定语等。如：Playing baseball is very interesting. 打棒球很有意思。This is an interesting movie. 这是一场令人感兴趣的电影。Interested形容词，常构成be interested in对感兴趣。说的是“人”性的，往往译成“某人对感到有兴趣”，在句中做表语（主语为人）。如：1. That book is so interesting that everyone is interested in it.这本书非常有趣，人人对它感兴趣。2. He is interested in playing computer. 他对电脑很有兴趣。【拓展】在英语中，有两大类动词构成的形容词，一类是V-ing类的形容词，另一类是V-ed型的形容词。常见的这类词有：V-ing 词义 V-ed 词义Interesting 有趣的 interested 感兴趣的Surprising 令人吃惊的 surprised 感到吃惊的Amazing 令人惊异的 amazed 感到惊奇的Exciting 令人兴奋的 excited 感到兴奋的Boring 无聊的 bored 觉得厌烦的Disappointing 令人失望的 disappointed 觉得失望Moving 感人的 moved受感动的课堂小贴2: I keep a pet dog. 我养了一只宠物狗。【用法】keep 动词，饲养。如：The girl likes to keep cats. 那女孩喜欢养狗。They keep a lot of sheep. 他们养了很多母鸡。They keep cows on their farm. 他们在农场养牛。课堂小贴3：We share the world with them. 我们降它们（植物、动物）共同分享这个世界。【用法】share动词，共用；共有；分享；分担的意思。如：The brothers shared the same room. 兄弟两人同住一屋。Mike shares a bed with his brother. 迈克与他弟弟同和睡一床。Can you share the happiness with me? 你能和我共同分享快乐吗？课堂小贴 4：The are now in danger. 他们瑞在处于危险中。【用法】 Be in danger “处于危险中”。如 ：You may be in danger if you travel alone at night.一个人深夜出门可能有危险。His grandfather was sick and in danger of losing his life.他的爷爷病危，并且有生命的危险。dangerous, 是形容词。危险的意思。如：The tiger is a dangerous animal. 老虎是一种危险的动物。课堂小贴 5：It looks for food at night along the sea floor. 夜里它沿着海底寻找食物。【知识点辨析】look for, find, find out.Look for “寻找”，强调寻找的过程。如：He is looking for his pen, he lost it yesterday. 他正在找他的钢笔，昨天他把它弄丢了。Find “找到”， 强调找的结果。如：I found the book under the bed. 我在床下找到了那本书。Find out “ 了解”，“打听”， “查出”。表示经过一番努力，调查了解到某些事情。后常接宾语从句。如：Please find out when the ship sails for Shanghai.请打听一下那艘船什么时候开往上海。Please find out what time they are coming.请查一下他们什么时候来。课堂小贴 6：In spring, it returns to the fresh water stream to lay eggs. 春天它回到淡水的小溪里产卵。【用法】return, 动词， “返回；回到”的意思。如：The young man returned to China from America in 2004.那个年轻人是在2004年从美国回到中国的。课堂小贴 7：So the butterfly is losing its home. 因此，蝴蝶正慢慢地失去了它的家园。【用法】Lose, “ 丢失；”，过去式为lost， 意思为 “丢失的”如：The little girl lost her way in that big city.那个小女孩在那个大城市里迷了路。He lost a book that day. 那天他丢了一本书。课堂小贴 8： What are you thinking about? 你在考虑什么？【知识点辨析】think about, think over, think of(1) think about 意思为“考虑,思考”，与 think of 同义。如：People without a job try not to think of/ about the future.没有工作的人尽力不去想将来的事情 。What do you think of/ about your family ?你是如何考虑你的家庭的。(2) think of作“想起，想到，认为”时，与think about有不同。如：She often thinks of her friend, Anna.她常常想起她的朋友安娜。(3) think over 意为“仔细考虑、思考”，over为副词，代词应放在其前。 如：Ive thought it over for a long time.我认真考虑那件事很久了。Let me think over this difficult problem.让我仔细思考这道难题。课堂小贴9: In this area, it is often hot and rainy, with beautiful beaches and sunshine. 在这个地区，天气常常是炎热、多雨，还有美丽的海滩、阳光。【用法】Area, 区域，作名词用。如：This disease spreads quickly in this area. 这种病在这个区域迅速传播开来。 课堂小贴10: The plants stay green longer there. 在那里，植物保持绿色的时间更长。【用法】Stay在这里表示继续处于某种状态，后接形容词等表语。如：The shop stays open till 12 oclock.这家商店到12点才打烊。You cant expect to stay young. 你不可能总那么年轻。He wanted to stay ahead of the others. 他想要保持领先地位。课堂小贴11: In this area, there is very little rain. 这个地区几乎没有雨。Fewer plants and animals can live there. 几乎没有植物和动物生存在那里。 【知识点辨析】few, a few, a little, little;(1) few与可数名词复数连用，表示否定。意思“很少，几乎没有”。如：He has few friends here. 他这里朋友们很少。He is a shy boy, he often has few words.他是个害羞的男孩，他平常很少说话。(2) little与不可数名词连用，表示否定。意思“很少，几乎没有”。如：There is little water in the glass. 杯子里几乎没有水了解。I have little money in my pocket.我口袋里几乎没有钱了。(3) a few表示肯定，“一点儿”的意思。与some的意思比较接近。修饰可数名词。如：You dont need to go shopping. There are a few eggs in the fridge. 在冰箱里还有一些鸡蛋，你不必去买东西。(4) a little, 表示肯定，“一点儿”的意思。与some的意思比较接近。修饰不可数名词。如：There is a little milk in the bottle, please pass it to me. 瓶子里还有一些牛奶，请把它递给我吧。课堂小贴12: In summer, rocks, streams and forests are even more beautiful, with blue skies, clear lakes and fast-flowing rivers.夏天，岩石、小溪和森林更加美丽，同时还有蓝天、清澈的湖泊和湍急的河流。【用法】With介词，表示行为方式的用法：(1) with +名词（代词）+介词短语。如：The guard stood there with a gun in his hand.士兵里握着枪，站在那儿。（2）with +名词+ v-ing。如：With the boy leading, they started towards the village. 由这个男孩带路，他们朝村子走去。Will you standing here, we cant work.你站在这儿，我们无法工作。(3) with +名词（代词）+过去分词。如：He stood there with his hands tied.他站在那儿，双手被捆着。（4）with +名词（代词）+ adj. (adv.) 。如：He often sleeps with the windows open.他常开着窗子睡觉。课堂小贴13: Rainforests cover 6% of the surface of the earth. 热带雨林覆盖地球表面的百分之六。【用法】Cover 动词，“覆盖”。如：Water covers most parts of earth.水覆盖着地球大部分地区。课堂小贴14: Thousands and thousands of animals live in rainforests. 千千万万的动物生活在热带雨林。【知识拓展】Hundred 百 thousand 千Two hundred 200 ten thousand 10,000Hundreds of . 成百的 thousands of 成千上万的 如： There are at least six hundred fans at the concert.在那场音乐会上下班至少有600个歌迷。T