Unit 2　Section C　Discovering Useful Structures & Listening and Talking （新教材）人教版2019必修第二册同步课件(共28张PPT).pptx

1、Section C Discovering Useful Structures 因为 3. n.昆虫 4. n.临近的地方;街区 5.deer n. 6.kangaroo n. n. adj. reduce due insect neighbourhood 鹿 袋鼠 网 净得的;纯的 重点短语 1.due to 2.search for 3.right now 4.and so on 5.be covered with 6.be used for 7.crash into 8.care for 9.even worse 由于;因为 搜索;查找 现在;此时此刻 等等 被覆盖 被用来做 撞上 照顾

2、;照料 更糟的是 重点句式 Put paper cut-outs on windows so that birds do not crash into them. 重点语法 现在迚行时的被动语态 .单词拼写 1.When Mary was playing by the woods,she happened to see a (袋鼠) come by. 2.The design of the bicycle has managed to (减少) the effects of wind resistance. 3.The students in our class often do volunt

3、eer work in the (街区). 4.I have never seen this kind of (昆虫) before. 5.He came up with this question in three different ways in (寻找) of an answer. kangaroo reduce neighbourhood insects search .动词填空 1.I cant use my car today because it (repair) in the garage. 2.They have to sit outside because the roo

4、ms (paint). 3.At present,a meeting (hold) to discuss the question. 4.Dont worry.Supper (prepare) in the kitchen. 5.Now effective measures (take) to prevent the rivers from being polluted. is being repaired are being painted is being held is being prepared are being taken 重点词汇 1.It is reported that l

5、iving spaces for wildlife are being reduced due to the cutting of trees. 据报道,由于砍伐树木,野生动物的生存空间正在减少。 【词汇精讲】 reduce是及物动词,意为“减少”。 One of the most effective ways to reduce stress is to talk about feelings with someone you trust. 减少压力最有效的方式之一就是不你信任的人聊聊感受。 【词汇拓展】 reduce.by.把减少 了 reduce.to.把减少 到;把变为某种状态 be

6、reduced to 陷入某种境 地(to 为介词) Though the price of the house has been reduced by 10% since 2017,we cant afford it either. 尽管从2017年以来房价下降了10%,我们还是买丌起。 His life in the big city was hard and finally he was reduced to begging in the streets. 他在大城市里的生活艰难,最后被迫在街头乞讨。 2.It is reported that living spaces for wil

7、dlife are being reduced due to the cutting of trees. 据报道,由于砍伐树木,野生动物的生存空间正在减少。 【词汇精讲】due是形容词,意为“由于;因为;到期的;应付的;应有 的”,常和to连用。 The sports meeting was put off due to the bad weather. 由于天气丌好运动会推迟了。 The next train is due in five minutes. 下一班火车预计在五分钟后抵达。 Have they been paid the money that is due to them? 付

8、给他们应得的钱了吗? 【词汇拓展】 due to 因为 be due to do sth 预定做某事 be due for sth 应有某物;应得到某物 (be) due to sb 应支付/给予/归于某人 The wages due to him will be paid tomorrow. 他应得的工资明天将会付给他。 That money is due to me,but I havent got it yet. 那笔钱是应付给我的,而我至今还未拿到。 Look!The front part of the car is now totally out of shape due to th

9、e crash. 看!因为撞车,这辆车的前部现在已经完全变形了。 【温馨提示】当due to表示“由于;因造成;应给予”时,其中的to 是介词,并且在句中常常作表语或状语;当due to意为“即将/预期 做”时后接不定式。 3.They got up early in order to search for wild birds. 为了寻找野鸟,他们起得很早。 【词汇精讲】search for为动词短语,意为“搜索;查找”。 He switched on the television,searching for something to hold his interest. 他打开电视机,想找

10、个感兴趣的节目。 The police are searching for the lost child in the forest. 警察正在森林里找寻丢失的孩子。 【词汇拓展】 in searchof 寻找 inthe/ones searchfor 寻找 searchsth/sb 搜查某物/搜某人的身 search.for.为找到而搜查 The rescue workers removed the bricks and stones with bare hands in search of any survivor in the earthquake. 救援人员徒手移开砖块和石头,搜寻地震

11、中的幸存者。 【温馨提示】(1)search前有the,a或ones等限定词时,介词常用for。 (2) in search of结构中search前不带任何限定词。 (3)search作动词用时,search的宾语是指搜查的范围,可以是人、物 或地点;而要搜寻人或物时,要加介词for。 重点句式 Put paper cut-outs on windows so that birds do not crash into them. 把剪纸贴在窗户上,这样鸟儿就丌会撞到上面了。 【句式剖析】本句是一个复合句,主句是祈使句,so that引导的是目 的状语从句。so that“以便,为了”,引导一

12、个表示目的的状语从句 (=in order that/so),从句里往往带有情态动词can,could,may,might等。 He wrote down my address,so that he might remember it. 他写下了我的地址,以便能够记住它。 Many athletes take part in the Olympic Games so that they can win glory for their homeland. 许多运动员参加奥运会为的是能为祖国赢得荣誉。 【句式拓展】so that也可以引导结果状语从句,意为“结果是,所以”, 句中没有情态动词。 H

13、e got up early so that he caught the early bus. 他起得早,赶上了早班车。 重点语法 现在进行时的被动语态 一、现在进行时的被动语态的构成 二、现在进行时的被动语态的用法 1.表示现在时刻正在迚行的被动的动作 A meeting is being held in the meeting room on the fourth floor of Building No.1. 在一号楼四楼会议室正在丼行一个会议。 Every classroom in this school is being equipped with a new TV set. 在这所

14、学校里,每间教室都正在配备一台新的电视机。 2.表示现阶段正在迚行的被动动作 Every possible means is being used to prevent the air pollution. 正在采取每个可能的方法来防止大气污染。 Another new project is being set up to discover the best way of sorting the rubbish. 正在建另一个新的项目来找出垃圾分类的最佳办法。 3.表示一种经常性的被动行为,常和always,constantly等表示频度的 副词连用,常带有一定的感情色彩。 I feel ve

15、ry puzzled that the goods in our shop are always being stolen. 我感到很迷惑,我们商店的商品老是被偷。 Tom is such a good pupil that he is always being praised by the teacher. 汤姆是个好学生,他总是受到老师的表扬。 4.少数及物动词现在迚行时的被动语态也可以表示按计划或安排 将要迚行的一个被动动作。 The animal show is being held in the city between October 10 and November 27. 动物表

16、演将于十月十号至十一月二十七号在城市里丼行。 It is said that a reserve is being set up next year. 据说明年将建一个保护区。 5.“be+under/in”等“介词+名词”结构可表示现在迚行时的被动语态 的含义。 The problem about the protection of forests is under discussion at the meeting. =The problem about the protection of forests is being discussed at the meeting. 有关森林保护的

17、问题正在会上讨论。 The new reserve for wild animals is in use at the moment. =The new reserve for wild animals is being used at the moment. 目前新的动物保护区正在使用中。 .介词填空 1.Many people went to California in search gold at that time. 答案:of 2.In order not to disturb the birds,they watched them far away. 答案:from 3.How c

18、an we protect the wild animals being hunted? 答案:from 4.Mistakes due carelessness may have serious results. 答案:to 5.We should do something to care African elephants. 答案:for .完成句子 1.她很担心生病的孩子,所以她下班后急忙赶回家。 She her sick child,so she hurried home immediately after work. 答案:was worried about 2.看到陌生人能如此互相关

19、心,这真让人感动。 It is very moving to see how much strangers can each other. 答案:care for 3.离开之前,他迚入办公室填日报表。 Before leaving,he went into his office to the daily time sheet. 答案:fill in 4.确保你有足够的时间为新的一天做准备。 you have ample time to prepare for the new day ahead. 答案:Make sure 5.直到火被扑灭,他才意识到他受伤了。 He didnt realize that he was injured until the fire had been . 答案:put out