Unit4第3课时 Grammar详解学案-2024-2025学年牛津译林版英语九年级下册

九下译林Unit4第3课时 Grammar详解 课时目标 词汇 aware, circle, agreement, distance, possibility,alien,stranger 句型 1.People might float in space because of the low gravity. 2.Are they sure that space travel will be very fast? 3.The smell of the pills reminds them of the tasty food on the Earth. 4. It takes Mars about two Earth years to circle around the Sun once, 5.I wonder how many people would like to move to Mars. 6. It is difficult to breathe on a planet that has much thinner air than that on the Earth. 重点难点 1．正确熟练地运用状语从句、宾语从句、定语从句和简单句。 2．掌握从句和简单句的相关转换。 预习导学 I.翻译下列短语。 1．与······一样美味 2．确信 3．让······想起，记起 4．多远 5．与······一样 6．远离 7．实现 8．与······不同 9．与······相似 10．收到······的来信 II.用所给词的适当形式填空。 1.He got his driving license when ho (be)seventcen. 2, (with)lood,air or water,the fish can not live. 3.Please write your letters as (care)as your sister. 4.That picture is quite (difference)from this onc. 皿.同义句转换。 1. It takes me half an hour to walk to school every morning.1 half an hour to school every morning. 2. If you didn't help me,I wouldn't pass the exams. I couldn't pass the exams your help. 3. I like singers who has beautiful dresses. I like singers beautiful dresses. 4. He got up early so that he could catch the early bus. He got up so early catch the early bus. He got up early he could catch te early bus. 5.It is difficult for us to walk on Mars. on Mars is difficult for us. 答案 I.1.as tasty as... 2.be sure about 3.remind of... 4.how far 5.the same as 6.be away from 7.come true 8.be different from 9.be similar to 10.hear from II.1.was 2.Without 3.carefully 4.different IIl.1.spend;walking 2.without 3.with 4. in order to;so that 5.Walking 新知探究 词汇详解 1.aware 【用法】adj.意识到的；知道的；觉察到的 【举例】She was aware that he was watching her fixedly. 她知道他正在盯着她看。 We are aware of the potential problems and have taken every precaution.我们已意识到潜在的问题，并采取了全面的预防措施。 【拓展】be aware of 相当于know。 Are you aware of the time? 你知道是什么时候了吗？ He was/became aware of the danger. 他知道／注意到危险。 I was aware of what he was aiming at. 我知道他在打什么主意。／他的意图是什么我一清二楚。 【应用】完成句子。 吸烟的人都知道吸烟对自身健康的危害。 Smokers are well of the dangers to their own health. 答案：aware 2.circle 【用法】v.圈出，包围；绕······运转 vi.环绕，盘旋 n.圆；圆状物；一圈；圈子 【举例】He is a cultured man with a wide circle of friends. 他为人文雅，结交广泛。 He used a rope to mark off the circle. 他用绳子把那个圈围了起来。 Circle the words.圈出单词。 【应用】完成句子。 听并圈出你所听到的单词。 Listen and the words you hear. 答案：circle 3.distance 【用法】n.距离，路程；远处；疏远；（时间的）间隔 vt.把······远远甩在后面；疏远；与······保持距离 long-distance running 长跑 【举例】She looked back over a distance of ten years. 她回顾过去十年的时间。 He treated me with a little distance. 他对我有点冷淡。 His house is within walking distance of the hospital. 他家离医院只有几步路。 【应用】完成句子。 我坚持长跑锻炼身体。 I've been a lot to get myself into shape. 答案：long-distance running 4.possibility 【用法】n.可能，可能性；希望，可能发生的事物 【举例】It is the strong possibility to finish this work on time. 准时完成这个工作很有可能会行不通。 I'm very excited about the possibility of playing for England's first team.想到可能为英格兰首屈一指的球队效力，我非常兴奋。 【拓展】possible adj.可能的；可接受的；合理的，可以允许的；不坏的 【举例】Please finish your homework as soon as possible. 请尽快完成你的作业。 possibly adv.可能地；也许，或许；敢是；容许 【举例】Do you think that he could possibly be right？ 你觉得他有可能是对的吗？ 【应用】完成句子。 周末以前你有可能回来吗？ Is there any that you'll be back by the weekend? 答案：possibility 5.alien 【用法】adj.外国的；相异的；异已的；不相容的 n.外国人；外侨；局外人；外星人 【举例】He said they were opposed to the presence of alien forces in the region，他说他们反对外国军队驻扎在该地区。 Jim is an alien in this film.吉姆在这部电影里是个外星人。 【应用】翻译。 Some people believe that alien visit the Earth from other planets. 。 答案：有些人相信有来自外星球的外星人访问地球。 语句详解 1．People might float in space because of the low gravity．人们可能会在太空中漂浮，因为火星上的低重力。 【用法1】because of 是介词，后接名词、代词、动词的-ing形式，或者名词性从句。 【举例】She doesn＇t go to school because of her illness. 因为疾病他没有去上学。 We should never look down upon a person because of what his parents have done.我们不应该因为一个人的父母所做的事而看不起他本人。 【用法 2】because表示“由于，因为”，是连词，后接从句。 【举例】She doesn＇t go to school because she is ill. 她没来上学因为她生病了。 I can't do it now because I am busy. 因为我正忙着，现在不能做此事。 【应用】用所给词的适当形式填空。 He didn't go to the museum because of(take)care of his mother. 答案：taking 2.The smell of the pills reminds them of the tasty food on the Earth.药片的香味让他们想起在地球上的美味。 【用法】the smell of...·····的香味；remind sb of sth 让某人想起某事；提醒某人某事； 【举例】The smell of the flowers makes the whole room fresh.花香使整个房间很清新。 That old picture reminds me of my parents. 那张照片使我想起了我们的父母。 He reminded me to post that letter last night. 昨天晚上他提醒我去寄信。 【应用】用所给词的适当形式填空。 The teacher reminded us (take)our presents home.答案：to take 3. It takes Mars about two Earth years to circle around the Sun once.绕太阳一圈要花费火星大约两个地球年的时间。 【用法】It takes sb some time to do sth.“花费某人一段时间做某事”＝spend in doing／on sth 【举例】It took me two hours to finish my homework last night.我昨天晚上花了两个小时完成了作业 He spent five hours on TV last night. 他昨天看了5个小时的电视。 They spent half an hour driving back. 他们花了半个小时开车回来。 【应用】用所给词的适当形式填空。 It took us about a year (build)that new house. 答案：to build 4. It is difficult to breathe on a planet that has much thinner air than that on the Earth.在一个空气比地球上要稀薄得很多的星球上很难呼吸。 【用法】“it is ＋adj.to do”中it是形式上的主语，真正的主语是“to breathe on a planet”，另外，“that has much..”是定语从句，先行词是planet，要注意从句中动词的形式要和先行词保持一致。 【举例】It is amazing to go skateboarding. 去做滑板运动是令人高兴的。 I prefer singers who have their own songs. 我更喜欢拥有自己歌曲的歌手。 【应用】用所给词的适当形式填空。 (1)It is important for us -(learn)a foreign lan-guage. (2)This is the bridgethat (build)two years ago. 答案：（1）to learn （2）was built 学科网（北京）股份有限公司 $$