课题名称6.5 宇宙航行6.6 经典力学的局限性课时数2 课时课型问题解决课课程标准学习目标1、通过实例感受万有引力定律在天文学上的重要应用。2、会用万有引力定律计算天体质量。3、通过学习初步感知经典力学的局限性4、通...
时间:2025-07-13 10:47栏目:中学教育
英语备考素材：2009 年高考写作经典必看 200 句型1. According to a recent survey, four million people die each year from diseases linked to smoking.依照最近的一项调查，每年有 4，000，000 人死于与吸烟有关的疾病。2. The latest surveys show that quite a few chi...
时间:2025-07-13 09:59栏目:中学教育
经典的 40 句至理名言1. The angry is that taking the other‘s mistake to punish oneself. 2. The hope of tomorrow lets us forget today‘s pain. 3. Shining is not the sun's patent， you also may shine. 4. The only way to obtain happiness is that， cherish what you have got and forget w...
时间:2025-07-12 14:23栏目:中学教育
第六章 万有引力与航天5.宇宙航行&6.经典力学的局限性【学习目标】1.查阅资料了解三个宇宙速度的含义，理解第一宇宙速度的推导过程2.能够区分人造地球卫星的运行速度和发射速度。建立环绕速度与轨道半径的关系3.知道高速...
时间:2025-07-12 13:27栏目:中学教育
湖北省高三英语经典补课材料（25）The Best HolidayI was unbelievably proud of my nine–year–old daughter, Emily. 36 to buy a mountain bike, she’d been saving her pocket money all the year, as well as doing small jobs to earn extra money.By Thanksgiving Day, she had collected only ...
时间:2025-07-12 12:34栏目:中学教育
湖北省高三英语经典补课材料（24）Perhaps the most interesting person I have ever met is an Italian professor of philosophy who teaches at the University of Pisa. 36 I last met this man eight years ago. I have not forgotten his 37 qualities. First of all, I respected his 38 to teaching....
时间:2025-07-12 12:33栏目:中学教育
湖北省高三英语经典补课材料（23）Lying comfortably upon a sofa, Harker Brayton smiled as he read an interesting book: Marvels of Science. He unconsciously 41 the book without changing the 42 of his eyes. As soon as the book had gone 43 the line of sight, something in a dark place of th...
时间:2025-07-12 12:33栏目:中学教育
湖北省高三英语经典补课材料（22）A high school history teacher once told us, “If you make one close friend in school, you will be most fortunate. A true friend is someone who stays with you for life."_36_ teaches that he was right. Good friendship is just not easily _37_. It is possi...
时间:2025-07-12 12:32栏目:中学教育
湖北省高三英语经典补课材料（21）When Dave was eighteen, he bought a second-hand car for＄200 so that he could travel to and from work more ___36____ than by bus. It worked quite well for a few years, but then it got so old, and was costing him ___37____ much in repairs that he decide...
时间:2025-07-12 12:32栏目:中学教育
湖北省高三英语经典补课材料（16）December 24 arrived along with heavy snow. It was my first Christmas Eve without my mother, and the day’s usual 26 had disappeared.The telephone rang. I 27 it and went to my bedroom to bury the continuous sadness, knowing it must be my friend Rebecca ...
时间:2025-07-12 12:31栏目:中学教育
