Unit2 Period 3 Discovering Useful Structures（教用Word）-【金榜题名】2025-2026学年高一英语必修第二册高中同步学案（人教版）

Period 3　Discovering Useful Structures　精析语法课 素养目标 1.Master the passive voice of the present continuous. 2.Master the learning strategies of studying grammar rules by grammar tools, dictionary or the Internet，the online study materials. 1．It is reported that living spaces for wildlife are being reduced due to the cutting of trees.(P18) 据报道，由于砍伐树木，野生动物的生存空间正在减少。 ◆reduce vt.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与你信任的人聊聊感受。 Having enough fat and salt in your meals will reduce the urge to snack after meals. 膳食中有足够的脂肪和盐，这会减少饭后吃零食的欲望。 reduce...by... 把……减少了…… reduce...to... 把……减少到……；把……变为某种状态 be 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 can't afford it either. 尽管从2017年以来房价下降了10%，我们还是买不起。 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。 单句填空 (1)The housing price was so high that our government did need to take some measures to_reduce (reduce) it. (2)It was foggy so the driver had to reduce speed to twenty kilometres an hour. (3)It is argued that house prices in big cities should be_reduced (reduce) by 10%. ◆due to由于；因为 The sports meeting was put off due to the bad weather. 由于天气不好，运动会推迟了。 Mistakes due to carelessness may have serious consequences. 由于疏忽大意而造成的错误可能带来严重的后果。 due adj.　　　　预定的；到期的 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 next train is due in five minutes. 下一班火车预计在五分钟后抵达。 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 haven't got it yet. 那笔钱是应付给我的，而我至今还未拿到。 His book is due to be published in October. 他的书预定十月份出版。 重要提示　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，to为不定式符号。 完成句子 (4)由于大雪，这个镇与外界的交通中断了。 The town was cut off from the rest of the world due to the heavy snow． (5)中国女排的成功归功于全体队员的努力。 Chinese women's national volleyball team's success is due to all the members' efforts． (6)公共汽车预计下午五点钟到达，但由于大雾的阻碍，它晚了一个小时。 The bus was due to arrive at 5 pm，but it arrived one hour late due to being held up by the heavy fog. 2．They got up early in order to search for wild birds.(P19) 为了寻找野鸟，他们起得很早。 ◆search for搜索；查找 He switched on the television，searching for something to hold his interest. 他打开电视机，想找个感兴趣的节目。 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。 in search of　寻找 in the/one's search for　寻找 search sth./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，搜寻地震中的幸存者。 重要提示　(1)search前有the，one's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，其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。 单句填空 (1)Fewer of this year's graduates have started to search for jobs. (2)If left alone outside, dogs and cats can be very smart in their search for warm shelter. (3)Pahlsson and her husband searched (search) the kitchen，checking every corner, but turned up nothing. Put paper cut-outs on windows so that birds do not crash into them.(P19)把剪纸贴在窗户上，这样鸟儿就不会撞到上面了。 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。 He got up early so that he caught the early bus. 他起得早，赶上了早班车。 完成句子 (1)我们可以早点出发，以便有更多的时间读书和选书。 We can set out early so that we'll have more time to read and select books. (2)我把电脑设置好，这样他们就可以在家办公了。 I set up the computer so that they can/could work at home. 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．表示现在正在进行的被动的动作。 A meeting is being held in the meeting room on the fourth floor of Building No.1. 一号楼四楼会议室正在举行一个会议。 Every classroom in this school is being equipped with a new TV set. 在这所学校里，每间教室都正在配备一台新的电视机。 2．表示现阶段正在进行的被动动作。 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 very 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．少数及物动词的现在进行时的被动语态也可以表示按计划或安排将要进行的一个被动动作。 The animal show is being held in the city between October 10 and November 27. 动物表演将于十月十号至十一月二十七号在城市里举行。 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”结构可表示现在进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. 目前新的野生动物保护区正在使用中。 一、根据汉语提示写出正确的单词 1．When I was waiting for you，I happened to see a ________ (袋鼠)come by. 【答案】　kangaroo 2. Consequently, she succeeded in making a kind of candy only using natural sweeteners，which can ________ (减少)oral bacteria. 【答案】　reduce 3．He offered to teach English to some of the children in the ________ (邻近的地方)． 【答案】　neighbourhood 4．In the wetland of my hometown，there are many different kinds of animals，including wild birds，fish，snakes, ________ (昆虫) and so on. 【答案】　insects 5．He came up with this question in three different ways in ________ (寻找)of an answer. 【答案】　search 6．Several fishermen were on the beach, tending their ________(网)． 【答案】　nets 7. The final results of the experiment are ________ (到期)on December 9. 【答案】　due 8．Hundreds of ________ (鹿)are in this zoo. 【答案】　deer 二、根据汉语提示完成句子 1．The teacher cured him of his bad habits and he ________ ________ ________ (取得很大的进步) in English. 【答案】　made great progress 2．Although he has retired，he is still ________ ________ (关心)the protection of the endangered species. 【答案】　concerned about 3．The world will be different，and we will have to be prepared to ________ ________ (适应)the challenge. 【答案】　adapt to 4．I can work ________ ________ (在压力下)and get along with my colleagues. 【答案】　under pressure 5. It is reported that some of the wild animals are dying out ________ ________ ________ ________ (以惊人的速度)． 【答案】　at an alarming rate 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$