人教新课标必修3 Unit4 Astronomy using language课件 （共20张PPT）

课件20张PPT。Using language:A visit to the moon8:239:18Which planet do you want to visit?If you have a chance to land on the moon, what will you do?Leading--in8:23floatzero gravity/ weightless8:23大声朗读单词biologist---watch out for
直接翻译using课文
快速完成提纲，记录翻译疑惑点8:38Group work：
1.翻译Task1句子
2.总结as含义
3.解决课文翻译疑惑
Pair work:
互相纠正对方发音
背诵知识链接词组
Discussing8:47有机会去旅行
向…解释
地球引力的拉力
对…说
跌倒
离得远
接近
鼓舞
向下爬
一点Presenting have a chance to make a trip
explain to sb
the pull of the earth’s gravity
talk to sb
fall to the ground,
be far from
get close to
cheer up
climb down
a bit of8:56既然
过了一会
掌握
玩的愉快
回到
爆发
回到now that
after a while
get the hang of
enjoy oneself
return to
break out
come back toPresenting8:56biology /bai'?l?d?i/ n. 生物学
biologist /bai'?l?d?ist/ n. 生物学家
gravity /'ɡr?v?ti/ n. 万有引力；重力
satellite /'s?t?lait/ n. 卫星；人造卫星
gentle /‘d?entl/ adj. 温和的；文雅的
physicist /'fizisist/ n. 物理学家
block out 挡住（光线）
climate /‘klaimit/ n. 气候
crash /kr??/ vi. & vt. 碰撞；坠落
spaceship /'speis?ip/ n. 宇宙飞船
pull /pul/ n. & vt. 拉（力）拖；牵引力Presenting8:56physics物理学，chemistry化学gently adv. 轻轻地；温柔地block n. 块；街区；大厦；障碍物 vt. 阻止；阻塞；限制
adj. 成批的，大块的；交通堵塞的 n. 撞碎；坠毁；破产Presenting lessen /'les?n/ vi. & vt. 减少；减轻
float /fl?ut/ vi. & vt. （使）浮动n. 漂浮物
weight less ly /‘weitlisli/ adv.失重地
cabin /'k?bin/ n. 小屋；船舱
mass /m?s/ n. 质量；大量；<复>群众
exhaust /iɡ'z?:st/ vt. 用尽；vt. 排出；使精疲力尽
8:56 Then we were off. As the rocket rose into the air, we were pushed back into our seats because we were trying to escape the pull of the earth's gravity. It was so hard that we could not say anything to each other.
Gradually the weight lessened and I was able to talk to him.
When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earth‘s.The change of gravityPresenting8:56The change of gravityon the moonin spacegravityvery lightdisappearingstrongon the earthPresenting8:56As the rocket rose into the air, we were pushed back into our seats …_____当
When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earth’s. _____和…一样
Leaving the moon’s gravity was not as painful as leaving the earth’s. _____和…一样
We watched, amazed as fire broke out on the outside of the spaceship as the earth’s gravity increased.
____由于___;___随着___
But when I tried to step forward. I found I was carried twice as far as on the earth and fell over._____和…一样________Presenting9:07 When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earth’s. get close to 靠近，接近，指动态变化
be close to 距......近，指状态“as … as …”句式： 和...一样
as +adj. / adv. +as
His bedroom is as clean as his sister’s.
as +adj (+a +可数名词单数）+as
as +adj+(不可数名词或可数名词复数）+as
You’ve made as many mistakes as I have.Explaining9:071) . A + be + 倍数+ as +adj. + as +B3). A + be + 倍数 +形容词比较级 + than + B
A比B大(长、高、宽等)...倍2). A + be + 倍数 + the +名词 (size, length, width, height, depth, weight, amount) + of + B
A是B的n倍倍数表达法：这条河是那条河的三倍长。
1._________________________________
2._________________________________
3._________________________________
This river is three times as long as that one.This river is twice longer than that one.This river is three times the length of that one.Explaining① 当看到Beckham，球迷们(the fans)欢呼起来。
____ _____ ________ ___ when they saw Beckham.② 他带她去听音乐会(concert)来使她高兴。
He took her to the concert to _____ ____ ____.Thefanscheeredupcheerherup④– Cheers! ③ Our football team will compete against the Japanese team this evening. Let’s go and cheer them up！ 为某人加油I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger. –干杯! Explaining【链接】cheer...on 为...加油，鼓劲 9:07We watched, amazed as fire broke out on the outside of the spaceship as the earth’s gravity increased.1.amazed 是过去分词，此处做状语用 他进来的时候没有人注意到.
He came in _________ .2.break out (战争,争吵,疾病等)爆发unnoticed它与happen, take place, come out等词的用法一样，
是不及物动词，不能带宾语，不能用于被动语态。Explaining9:07
① My car __________ (抛锚) so I had to walk there.
② The famous band ________ (解散) in the end.
③ Thieves __________ (闯入) his house last night.
④ The war _________ (爆发) ten years ago.
⑤The enemy’s defenses were strong but our soldiers _______________(突破；突围).broke downbroke upbroke intobroke outbroke through与break相关的短语复习:Explaining9:071._____________(乘)2 and 6 together and you can get 12.
3.Don’t look so _____________(迷惑的) the maths question is very simple.
10.After the Big Bang,____ __(原子) began to form.
4.The study of the history social science.
5.The heavy storm us going on.
The earth is ________ special planet in the solar system. The ___ __(explode) of the earth produced carbon dioxide, nitrogen, water vapor and other gases, ____ __ (make) the earth’s atmosphere. This produced a chain reaction, which made _______ possible for life to develop.
2. Work hard and you are (succeed) in time.
9.Social attention should be paid to preventing our earth from _________(pollute)
整理本节课重点知识2mins
“as … as …”句式： 和...一样
倍数表达法，break短语，cheer短语
完成单词小条1mins
Checking9:10