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初中英语冀教版九年级上册Lesson 27 Planet Danny优秀学案
展开Lesson 27 Planet Danny 导学案
知识
目标 |
必
会
内
容 | 单词: telescope,solar,certainly,unless,double,mystery 重点词组: solar system,at night,even if 重点句式: 1)I told my father that we were studying the solar system. 2) Try looking through the other end. 3) Maybe Brian and I can join you after supper. 4) Scientists use huge telescopes when they look for planets. 5) Well, it’s worth a try, even if I don’t find a planet. |
【学习目标】
1.重点单词:
telescope,solar,certainly,unless,double,mystery
2.重点词组: solar system,at night,even if
3.重点句式:
(1) I told my father that we were studying the solar system.
(2) Well, it’s worth a try, even if I don’t find a planet.
【重点难点】
1. 重点:掌握重点短语和句型
2. 难点:even if引导的让步状语从句的用法
【导学过程】
一、课前预习
核心单词
1. ________ adv. 当然;确定;肯定
2. ________conj. 除非;如果不
3. ________ n. & adj. & adv. 两倍(的);双倍(的)
4. telescope n. ________
5. solar adj. ________
6. mystery n. ________
单词变形
certainly→________(adj. )
二、课堂学习
Step 1. 自主探究,合作交流
Read the lesson and write true (T) or False (F).
1. Danny is studying the solar system at school.
2. Danny is looking through the telescope when Jenny and Brian come to visit.
3. During the day, Danny can see many stars in the sky through the telescope.
4. Jenny and Brian will join Danny after supper.
5. Danny has discovered a new planet.
Step 2. 交流展示
1. double
作__________________,意为“两倍、双倍”,复数形式是___________________。
作__________________, 意为“双倍的、两倍的、两用的”,在句中作定语或表语。
1) 在周末作业是双倍的。
Homework is_____________ at weekend.
2) 我想你们会有双倍的收成。
I think you will get_________________ .
2. Well, it’s worth a try, even if I don’t find a planet.
好的,这值得一试,即使我没有发现行星。
even if意思是“即使、纵然”,引导让步状语从句,表示某种条件,even if往往用在句首。
— I think it still looks perfect ________ it has gone out this year.
A. so that B. as if C. even if D. ever since
3. He said that I could use his telescope.
本句含有that引导的宾语从句。无论主句是陈述句还是疑问句,宾语从句都应使用陈述语序。含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点:
(1)如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用______时态。
(2)如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的___________时态。
(3)如果宾语从句所表示的是客观事实、普遍真理、自然现象或习惯性动作等,不管主句用什么时态,从句时态都用_____________时。
1)-Do you know the meeting?
-Tomorrow morning.
A. when they had B. when they are going to have
C. when did they have D. when are they going to have
2) The police wondered .
A. whose handbag it is B. whose handbag it was
C. whose handbag is it D. whose handbag was it
4.I don’t think you can find one unless you have a bigger telescope.
unless为连词,意为“除非,如果不”。由unless引导的条件状语从句既可以是真实条件,也可以是非真实条件。unless通常相当于____________________。
— Will you help me with the trouble?
— I won’t______ you tell me the truth.
A. if B. but C. while D. unless
三、知识点拨:
1.arrive为不及物动词,意为“到达,来到”,后接表地点的名词时,需使用介词in或at;in用于指较大的地点,at则指比较具体的小地点。arrive at/in与get to/reach同义。
2.本课含有that引导的宾语从句。无论主句是陈述句还是疑问句,宾语从句都应使用陈述语序。
含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点:
(1)如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用相应的时态。
(2)如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的过去时态。
(3)如果宾语从句所表示的是客观事实、普遍真理或自然现象,不管主句用什么时态,从句时态都用一般现在时。
3.【辨析】through与across:
through指在立体空间中穿过,多指穿过门、窗、洞、森林等。
across指从某事物表面的一边到另一边,多指穿过街道、马路、桥梁、河流等。
4.come out“出来”,动副短语,无被动语态。
还可表示:(花) 开放;出版,发表。
5.maybe为副词,意为“也许”;may是情态动词,也表示“也许”,但后面必须跟动词原形。
6.join为及物动词,意为“参加,加入”,其后可接人,也可接表示团体、组织、党派等的名词。join为非延续性动词,和表示一段时间的状语连用时应变为be in。
7.unless为连词,意为“除非,如果不”,相当于if...not...。
8.worth意为“有……价值,值得”,常用于be worth+n./doing结构。
9.even if意为“即使;纵然(=even though)”,是从属连词词组,表示假设情况,用来引导让步状语从句。
10.belong to sb.意为“属于某人”,相当于be sb.’s。
belong to不能用于进行时态和被动语态。
11.billions of意为“数十亿计的”。
billion,million,thousand,hundred等数词与具体数字或限定词some,a few,many等词连用时,其后不应加-s。
四、【知识巩固】
Ⅰ.根据首字母提示完成句子
1.With a t ,you can see stars in the sky at night.
2.Without treatment,she will almost c die.
3.Don’t ask me to explain u you really don’t understand.
4.According to the research,the total output is d that of last year.
5.In this way,he was able to solve the m .
Ⅱ.句型转换
1.The camera must be Mike’s.(同义句转换)
The camera must Mike.
2.If you don’t go for it,your dream won’t come true.(同义句转换)
Your dream come true you go for it.
3.He decided to join an English club.(同义句转换)
He to join an English club.
4.I hope I can pass the exam.(改为简单句)
I pass the exam.
5.I would like to have a cup of coffee.(同义句转换)
I a cup of coffee.
【Keys】Ⅰ.1.telescope 2.certainly 3.unless 4.double 5.mystery
Ⅱ.1.belong to 2.won’t;unless 3.made a decision 4.hope to 5.feel like having
答案:
一、课前预习
核心单词 1.certainly 2.unless 3.double 4.望远镜
5.太阳的;关于太阳的 6.神秘事物;奥秘
单词变形 certain
二、Step 1.自主探究,合作交流:
1.T
2.T
3. F
4. T
5. F
Step 2. 交流展示
1. 可数名词;doubles;形容词; 1) double 2) double harvest
2. C
3. 相应的;过去;一般现在; 1) B 2) B
4. if…not…; D
四、【知识巩固】
Ⅰ.1.telescope 2.certainly 3.unless 4.double 5.mystery
Ⅱ.1.belong to 2.won’t;unless 3.made a decision 4.hope to 5.feel like having
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