unit4-book3导学案.doc

book 3, unit 4
一．单词
1 astronomy n._________ 　 2 weightlessly adv.__________
3 system n. ________________ 　　　　 4 religion n. ___________ adj. __________
5 theory n._______________ 　　　　　 6.大气层，气氛　n. _______________
7用尽,耗尽，使筋疲力尽 v　___________ 　 8 globe _____adj.____________
9猛烈的,激烈的，强烈/强暴的_________/n______ 10.unlike prep._________________
11基本的,基础的，根本的　adj.______________ 12. 溶解,解散 v. ________________
13.有害的 adj_________/v _______ 14.chain n. ________________
15.reaction n.____________/v ________ 16 乘 ,增加,繁殖v ________
17 存在 v____________/n. _____________　　　 17thus adv________________
18 谜 n/v._________/adj　_________/_______　 19.biology n. _______ /biologist n______.
20浮动,飘浮 v______________ 21.gravity n._______________
22 温和的,文雅的adj____________/adv ____ 23 geologist n._____
24　physicist n. ______________ 25灭绝的 adj .__________/n.
26. climate n.__________ 27坠落,碰撞　v./n. ________________
28.拖，拉，拉力，牵引力　v_____________ 29　lessen v _______________
二．短语
１ 提防,当心… ____________  　　　　　　　 ２接着，轮到某人 ____________
３下蛋,产卵   　　　　　　　　 ４阻止____________
 ５及时，最终____________  　　　　　　 ６挡住(光线),忘掉,抹去（不愉快的事） ____________
７感到高兴____________　　　　　　　　　　 ８既然　____________　　
９熟悉，掌握____________　　　　　　　　　 １０产生，分娩____________
11 突发，爆发____________　　　　　　　　　　 12.因为，由于______________
13 取决于，依靠，依赖____________ 14 an air crash ______________
15 a chain reaction _______________ 16 全球变暖 _______________
17对..有害　 _______________　　　　　　　　 18对…来说是根本的 _______________
19友好的气氛　_______________　　　　　　　 20 come into existence _______________
三．佳句背诵
１随后它会变成什么没有人能知道，直到45－38亿年前，这团尘埃才慢慢地形成了一固态的球状体。
What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
2 更重要的是当地球冷却下来的时候，水开始在其表面出现了。
What’s more important is that as the earth cooled down ,water began to appear on its surface.
3.这产生了一个连锁反应，这使生命的发展成为可能。
This produced a chain reaction ,which makes is possible for life to develop.
4.他们为什么会突然消失仍然是个谜。Why they suddenly disappeared still remains a mystery.
5.在未来的数百年中，生命能否在地球上延续下去将取决于这个问题能否被解决。
Whether life will continue on the earth for millions of years to come will depend on whether the problem can be solved.
6当我们接近月球时，就会感到月球的引力在拉我们，但是月球的引力不像地球的引力那么大
When we get close to the moon, we shall feel its gravity pulling us ,　but it will not be as strong a pull as the earth’s
7 但是我试图往前走时，我发现自己被带到一个相当于地球上两倍远的地方并且摔倒了。
But when I tried to step forward ,I found I was carried twice as far as on the earth and fell over.
8. 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.
We watched, amazed as fire broke out on the outside of the spaceship as the earth’s gravity increased.

四．用括号内所给词的适当形式填空。
1 In the ant city ,the queen’s job is to lay eggs. In other words ,laying eggs is the queen’s job.(lay)
2. After two months ‘studying ,I finally got the hang of driving skills .the cheering news made me cheer up. I felt cheerful . “Cheer on!” I said to myself.(cheer)
3. The puzzled look on his face suggested that he was puzzled over the puzzling math problem. who could work out it ?It was a puzzle.(puzzle)
4. Unlike other teenagers ,my son dislikes computer games ,which comfirts us .On the contrary ,my daughter likes them so much that it’s unlikely for her to get rid of them(like)
5 Your smoking will be harmful to your roommates, so you shouldn’t do harm to others and you should provide them with a harmless environmentharm)

五　改错
1 He told me that he have been to Japan.
2 It has been suggested that we must combine a balanced diet with proper exercise.
3 That surprised me was that he should pass the exam.
4 If life will continue on the earth depends on we human beings.
5 All the people in the play judge Henry by his appearance shocks us.
6 How did the plants and animals developed puzzled us .
7 What we need are parents’ care and love.
8 When and where we will have the class meeting have not been decided yet.

六　完成句子
1. 　Whether the game will take place depends on the weather.(take) 是否要举行比赛要看天气而定
2. I was still sleeping when a fire broke out. 我正在睡觉这时起火了
3. 。The population in Holland is two thirds as much as that in the state of New York, which is four times the size of Holland. 荷兰的居民是纽约州的三分之二的，而纽约州的面积却是荷兰的四倍大
4　In my opinion ,Chemistry is as difficult a subject as Physics.(as)
在我看来化学是一门和物理一样难学的课程
5 He made it clear to us that he would leave the company. (make) 他明确向我们表示他将要离开这家公司。
6　What puzzled me most was that measures weren’t taken to prevent a large number of trees from being cut down (puzzle/cut) 最让我困惑的是政府不采取措施来制止大量树木的砍伐
7 Whether Hillary is to become the first female US president in 2016 remains to be seen.（whether）
在2016希拉里是否会成为美国的第一位女总统，人们试目以待。
8 Now that it’s you turn to be on duty, you should watch out for everything unusual in class.(watch)
既然轮到你值日，你就要密切关注教室里的异常情况。
9 .How she can block out the terrible memory are puzzling her parents.(block)
她如何能抹去那段记忆一直在困扰着她的父母。
10.David was brought up to value the sense of sharing , which makes it possible for him to get along well with the others.(bring/make) David 从小被教育要懂得分享，这使得他与别人的相处成为可能。
11. That we beat the other teams in the push-and -pull match cheered us up.(beat)
我们在拔河比赛中打败别的队，使我们很振奋。