Unit2I'llhelptoAGrammarfocus4a—4c[杨乃定]市一等奖优质课_人教版英语八年级下册_旧版_版本一_人教版初中英语8下(新目标)优质课视频

教学目标 1、Knowledge aim: Learn the differences between through & across. 2、Ability Aim: Let the students learn how to use these two prepositions in the sentences. 2学情分析 因为英语和汉语的思维方式的差异,介词对中国人来说绝对是最难掌握的知识点之一,能否灵 活地使用介词也是衡量一个人英语水平的一个关键指标。本班学生大部分英语基础较好,听 说能力较强,但在语法上还存在一定的模糊地带,尤其是一些虚词的使用。在介词的使用上存 在一定的误区,受母语的影响,很多学生无法正确区分through和across.本节课通过最关键的 点来进行区别,旨在学生以最清晰明了的方式掌握两个介词的用法及区别。 3重点难点 重点:两个介词的用法 难点:两个介词的区别 4教学过程 4.1 第一学时 4.1.1教学活动 活动1【练习】介词练习 through和across 的辨析 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel. across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. through和across 的辨析 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel. across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day.2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. through和across 的辨析 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel. across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. through和across 的辨析一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel. across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right.through 和across 的辨析 through和across 的辨析 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel.across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right.through 和across 的辨析 through和across 的辨析 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel. across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. through和across 的辨析 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel. across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day.2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. through和across 的辨析 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel. across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. through和across 的辨析一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指穿过“门、 窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel. across 作介词讲时,表示“通过”多指“从某个平面上横过,跨过”,如,穿过 “街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指 穿过“门、窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel.across 作介词讲时,表示“通过”多指“从某个平面上横过, 跨过”,如,穿过“街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. 一、词义辨析 through作介词讲时,表示“通过”,常指“从事物之间穿过”,多指 穿过“门、窗、洞、森林、隧道”等立体空间。 eg. They drove through the tunnel.across 作介词讲时,表示“通过”多指“从某个平面上横过, 跨过”,如,穿过“街道、马路、桥梁”等。 eg. You mustn’t run across the road. 二、关键点 Key words: 立体 VS 平面 三、练习 用through和across填空 1.They go __________ the bridge every day. 2.Tim went _________ the gate and ran to the street. 3.The sunshine can reach the vegetables ________ the glass. 4. Go __________ the street, and then you’ll find a hospital on the right. 活动2【练习】介词练习拓展 一、 选用下列适当的介词填空。(可重复使用) 1. I can see a kite the wall. 2. Is Han Meimei duty today? 3. The woman the coat is Mrs. Brown. 4. There is a bird ____ the tree. 5. The apples are _____ the tree. 6. Can you sing this song Japanese? 7. The boy the green bike is Tom. 8. Jim is school. 9. The girl her mother and father is American. 10. Please give the books Jim. 11. We go to school seven. 12. Show these pictures your teacher.13. It’s time go school. 14. We could buy hamburgers _______ lunch. 15. I painted a picture _______ horses. 16. Bill is a heavy boy _______ short hair. 17. Adults usually give lucky money to children _______ the Spring Festival. 18. Some children are swimming _______ the river. 19. I won't ask about it. I'm going to see it ____ my own eyes. 20. She sent her friend a postcard _______ a birthday present. 二、选择题。 1. ( ) 1. The girl usually practices the piano ________ Saturday morning. A. on B. in C. at 2. ( ) 2. They work ______ a farm. A. at B. on C. in 3. ( ) 3. Mr. Li will go to Shanghai ______ Oct. 22nd. A. at B. in C. on 4. ( ) 4. They will move to the new school ______ next Monday. On, in, at, to, for, of, as, with, in, beside var script = document.createElement('script'); script.src = 'http://static.pay.baidu.com/resource/baichuan/ns.js'; document.body.appendChild(script); void function(e,t){for(var n=t.getElementsByTagName("img"),a=+new Date,i=[],o=function() {this.removeEventListener&&this.removeEventListener("load",o,! 1),i.push({img:this,time:+new Date})},s=0;s< n.length;s++)!function(){var e=n[s];e.addEventListener?!e.complete&&e.addEventListener("load",o,! 1):e.attachEvent&&e.attachEvent("onreadystatechange",function() {"complete"==e.readyState&&o.call(e,o)})}();alog("speed.set",{fsItems:i,fs:a})} (window,document); A. on B. in C. / 5. ( ) 5. The twins got on well ___ their classmates. A. to B. in C. with 6. ( ) 6. They will have a maths test ___ two days. A. for B. at C. in 7. ( ) 7. My brother joined the army ___. A. 1989,March B. in March,1989 C. March, 1989 8. ( ) 8. I learn French _ the radio every day. A. on B. in C. from 9. ( ) 9. China lies _____ the east of Asia and _____ the north of Australia. A. to; to B. in; to C. to; in 10. ( ) 10. There is a picture ______ the wall. A. above B. in C. on 11. ( ) 11. Look, there is a big hole ______ the wall. A. above B. in C. on 12. ( ) 12. Mr. Wang is ill. He’s ____ home.A. at B. in C. / 13. ( ) 13. Many people work ___ the day and sleep ___ night. A. on; at B. in; in C. in; at 14. ( ) 14. Which color do you like? I prefer blue ___ red. A. for B. as C. to 15. ( ) 15. The student will give us a talk ___ how to use our spare time. A. for B. on C. in 三、圈出下列句子中运用不恰当的介词,将正确的答案写在横线上。 1. Jim is good in English and Maths. 2. How many students have their birthday on May? 3. They are talking to their plans. 4. The films were in the ground just now. 5. Women’s Day is at the third of March. 6. I usually take photos in Sunday morning. var cpro_psid ="u2572954"; var cpro_pswidth =966; var cpro_psheight =120; 7. What did you do on Christmas? 8. Can you come and help me on my English? 9. Did you water trees at the farm? 10. I can jog to school on the morning. 参考答案 一、 1. on 2. on 3. in in表示“穿着....衣服”的意思。 4. in in the tree (外来的东西)在树上。 5. on the tree 树上生长的东西。 6. In 用 In 表示用某种语言。 7. on 8. at 9. beside beside表示在...近旁;在旁边的意思。 10. to 11. at 12. to show … to … 向某人出示某物。 13. to; to 14. for 15. of 16. with 意思是带着...;有...的。 17. at 节日前面带的介词,主要有两个at和on。如果某个节日的名称中不带 Day,用at ,如:at Spring Festival, at Christmas;如果带有Day 则用 on.如:on May Day, on Children's Day,甚至 on Christmas Day. 18. in 19. with 20. as as a birthday present 作为生日礼物。