山东省平邑县曾子学校高中英语必修三导学案：UNIT4 ASTRONOMY THE SCIENCE OF THE STARS PERIOD5 .doc

1、. Book3 Unit4 Period 5编写：李慧学习目标：完成语篇理解,并且.熟记和使用本节知识点,能拓展所列相关短语 自主合作探究：I.语篇理解 阅读P3031课文，选取最佳答案1The passage is mainly about_.Aan introduction of the moon Bthe gravity that I felt on my way to the moon Cmy visit to the moon2From the text，we know that the force of the gravity would change _times.A2B3C43

2、If a baby is growing on the moon，when he grows up，he will grow _than he is on the earth.Ataller Bshorter CfatterII.要点讲练1pull nC& vt.拉(力)；拖；牵引力As the rocket rose into the air，we were pushed back into our seats because we were trying to escape the pull of the earths gravity.(P30)随着火箭升空，由于我们在努力挣脱地球的引力，

3、我们被向后推在座位上。归纳拓展：pull down摧毁；推翻；拆除 pull in进站停靠；驶向路边(或某处)停靠 pull out离站；(使)摆脱困境 pull through恢复健康；渡过危机pull up停车；停住小试牛刀： The doctor is sure that he will . 医生确信他将恢复健康。 The train half an hour ago. 火车半小时前就进站了。2But when I tried to step forward，I found I was carried twice_as_far_as on the earth and fell over.

4、(P31)而当我试着向前迈步的时候，我发觉我被送出去很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。twice as far as.意为“是的两倍远”，属倍数表达法句型之一。归纳拓展： 倍数的表达倍数asadj./adv.原级as.是的多少倍主语谓语.timesthe size(或amount，length.)of被比较的内容（用于尺寸、体积、数量、长度等的比较）是的多少倍。主语(A)谓语倍数形容词或副词的比较级thanB表示“A比B大(小、高、长等)多少倍”。This tree is three times as tall as that one.这棵树是那棵树的三倍高。The produ

5、ction of this year is twice that of last year.今年的产量是去年的两倍。The earth is 49 times the size of the moon.地球的大小是月球的49倍。小试牛刀： 一句多译这张桌子是那张桌子的三倍长。_ _ _ _3I cried，“walking does need a bit of practice now that gravity has changed.”(P31)我大声说，“重力改变了，看来走路也的确需要练一练了。”now that“既然”，引导原因状语从句，其中的that可以省略。例如：Now that e

6、veryone is here，lets begin our meeting. 译： 引导原因状语从句的连词：now that，since，because，as，considering that等。引导原因状语的短语：due to，thanks to，because of，as a result of 等小试牛刀： 完成句子既然天气那么好，我们去野餐吧。_ _，lets go for a picnic.既然已完成了工作，你就应该好好休息一下。_ _the work. You should have a good rest4break out突发，爆发We watched，amazed as f

7、ire broke out on the outside of the spaceship as the earths gravity increased.(P31)我们惊奇地看着，随着地球引力的增加，宇宙飞船的外层燃烧起火。归纳拓展：.Combreak up解散；打碎 break away from.脱离break down打破；坍塌；(精神、身体)垮掉 break in进入；插话break into强行进入(某处)；突然开始(大笑、欢呼等)If you go on working like that，you will break down sooner or later.如果你继续像那样工

8、作的话，你迟早会累垮的。A thief broke into my house and stole my necklace.一个小偷闯进我家偷走了我的项链。【提示】break out，take place，happen等动词及动词短语有两个共同点：终止性不用于进行时；不及物不用于被动语态。小试牛刀：介、副词填空Unluckily，my car broke_ _on the way to the airport.Youd better not break_ _while others are chatting.Hearing the news, she broke_ _laughter at once.It is reported that a violent earthquake broke_ _in Japan.当堂达标练习：I.翻译句子：1.司机在学校门口停下了车来。 2. 那些观众（audience）为运动员们加油。 3. 既然晚饭准备好了，你去洗手吧。 4. 火车已进站，乘客正上车 _ _，and the passengers are boarding it now. 版权所有：高考资源网()