必修三unit4Avisittothemoon導學案

1、 （課題）必修三Unit4 A visit to the moon備寫人： 王小華 審核人： 學習目標： 1. 全面理解課文。2. 探究練習單元重點短語和句型，提升語言運用能力。3. 學習英語，熱愛科學。Teaching important points:1. Comprehending the whole passage, and be able to grasp the key points from it.2. Master the important words and phrases.Teaching difficult points:1. How to figure out the

2、 key points from the reading passage.2. Learn to use “times as as” Teaching procedures:Step 1. Pre-view check:1. 有機會做某事 _ 6. 既然 _2. 去旅行 _ 7. 過了一會 _3.出發(fā)，起航 _ 8. 熟悉，掌握，理解 _ 4. 靠近，接近 _ 9. 玩的開心_5. 高興，振奮起來 _ 10. 爆發(fā)_Step 2CompetitionDoyouwanttovisitthemoon?Do you know whothe first person that stepped onto

3、 the moon was? Lets see who know more about the astronomy.Part 1: True or False1. The earth moves around the sun.2. It takes the moon one day to move around the earth for a round.3. Earth is the only planet moving around the sun.4. There is atmosphere on the moon.5. There is no gravity on the moon.P

4、art 2: Multiple Choices: 1._ was the first person landing on the moon? A. Armstrong B. Yang liwei C. Tom Cruise D. Issac Newton2. When did Armstrong land on the moon? A. 1921 B. 1969 C. 1954 D. 19493. Who is the first Chinese astronaut to go into space? A. Yang liwei B. Nie haisheng C. Fei junlong D

5、. Zhai zhigang4. When did Yang Liwei go to the space? A. Oct, 2003 B. Jan, 2003 C. Oct, 2004 D. Jan, 20025. So far, how many countries have succeeded in sending people up to space?A. Two B. Three C. Four D. FiveStep 3 Fast reading: Read the passage quickly, and find out the topic of each paragraph:P

6、ara( ):ThethingsIdidonthemoon.Para( ):Weturnedbacktotheearth.Para( ):Lastmonth,wevisitedthemoon.Para( ): HowtheforceofgravitychangedwhenwetraveledfromtheearthStep 4:Detail readingPlease read the passage and underline the sentences about the change of the gravity and our weight during the journey.(ma

7、tch) The change of gravity On the moon disappearingGravity in space strong On the earth very lightThe change of my weight On the moon heavyWeight in space weightless On the earth weigh less (one -sixth)Step 5 SummaryLastmonthIvisitedthemoonwithmyfriend.Beforeweleft,Iwastoldtheforceofg_wouldchangethr

8、eetimesonourjourney.Thenwetookoff.Aswelefttheearth,Ibecameveryh_.Graduallytheweightl_.WhenIwasinspace,itd_.Wef_weightlesslyinthecabinandIc_.WhenIwasonthemoon,Iwassurprisedtofindoutevenwalkingneedslotsofpracticen_gravitychanged.Thereturningoftheearthwasveryf_.Wewereamazedtowatchfireb_ontheoutsideofth

9、eship.Step 6.Languangepoints1. But when I try to step forward, I found I was carried twice as far as on the earth and fell over.twice as as “是的兩倍 ” 1. “A + be + 倍數(shù) + as +形容詞原級 + as + B”.倍數(shù) 2.“A + be + 倍數(shù) +形容詞比較級 + than + B ” 3.timesthe名詞（size, height, weight, length, width）of即學即練：1.1）The library in our school is six times as big as that in yours. 2）The library in our school is _