冀教版八年级下册英语 Unit 4 The Internet Connects Us Lesson 23 The Internet--Good or Bad? 教案

Lesson23 : The Internet --- Good or Bad?
Teaching goals(教学目标):
Make the Ss can master the new words and phrases: ：simple, coin, cause, less, be able to，stay in touch，be harmful to，take up，too much, in seconds.
Ask some Ss to talk about the Internet of advantages and disadvantages.
Ask the Ss to use the Internet in right ways, don’t let it take up all of your time.
Understand the meaning of text.
二、Key points and difficult points(教学重难点):
Ask some Ss to talk about the Internet of advantages and disadvantages.
2. Ask the Ss to use the Internet in right ways, don’t let it take up all of your time.
三、Teaching preparation(课前准备):
教学ppt
四、Teaching ideas(教学思路):
本课时的教学内容是冀教版八年级下册英语第四单元的第五课时,主要涉及介绍一些上网的好处与坏处。本班部分学生已经有了一定的英语基础，对课文内容的理解不会存在问题，但是不同水平的分层现象较严重，也就是我们常说的两极分化现象较为严重。但大部分学生学习的兴趣较高，能积极参加课堂的话题讨论，课堂氛围多数情况下较好。所以本课设计时根据学生实际情况，采用问题引导、话题讨论、课后练习的方法，让每个学生都能对课文内容以及语法知识点进行理解和掌握，来实现本课的教学目标。
五、Teaching procedure(教学过程):
Step1 Review and lead-in.
In last lesson, we learned that Jane’s grandma had a terrible of cancer, and her grandma once had a dream of traveling around the world. So she had a idea, helped her grandma travel by using the Internet. And now we knew that the Internet is important to us, and it can help us do everything. And we also knew that every coin has two sides. Today, we will talk about advantages and disadvantages about Internet.
Step2 Word self detection
1._________爊.优势；有利条件；有利因素
?→（反义词）??_______n.?缺点；不利因素??
simple??adj.________ ???3. ______??n.硬币??
4. ?__________adj.???adv.?(little?的比较级）更少的（地）；更小的（地）
n. 较少量；较小的部分?????
5. aside?adv.?_________???????6. ?___________?v.?袭击；损伤??
?7.web??n.?_________????????????8.?______?v.?(stole\stolen) 偷盗；窃取???
9. banking??n.?________ 10._______adv.?正确地?
??Step?3.??Listening and Reading?
Listen to the tape with your book closed and fill in the blanks.
1.With the Internet, people can connect and share 　 in seconds.
2. If a friend lives far away, the Internet makes it　_to stay in touch.
3. We can’t let the Internet take up all of our 　　　　 .
Read?the?lesson?and?Part?I?of??“Let’s?Do?It”?,talk?the?answers?with?each?other?in?the?group.???
Listen to the dialogue and part 2 of “Let’s Do It”, tick the correct answers.
?Step?4.??Language points
1. People are able to connect and share information in seconds.
几秒钟之内，人们就能够相互联系并分享信息。
be able to do sth. 意为“能, 能够”，主要指具体做某件事的能力，有人称和时态的变化。情态动词can也表示“能,会”，只有现在时can和过去时could两种时态，没有人称变化。
Can you come tomorrow? 明天你能来吗？
He said that we could go there by bus. 他说我们可以乘公共汽车去那里。
Will you be able to come tomorrow? 明天你能来吗？
I’m able to do the work all by myself. 我能够独立做这项工作。
in seconds 短时间内；几秒钟之内
You press a button and it comes on in seconds.
你只要触摸按键，它就会在几秒内启动.
?2. It helps us get things done more quickly.它能使我们把事情做得更快。
get sth. done “完成，做完某事”，通常由自己完成。 此外，
get/have sth. done还有“让某人做某事”的意思。
I got my homework finished. 我做完了作业。
I am going to get/have my hair cut. 我要去剪发。
3. The Internet can be a useful tool, but don’t let it take up all of your time.
互联网可能是一种有用的工具，但不要让它占据你所有的时间。
take up 占用（时间）；占据（空间）。
The table takes up too much room.
这张桌子太占地方。
I won’t take up any more of your time.
我不再占用你的时间了。
Step5. Practice
Translate Chinese into English
在数秒内_______ 遥远的；远离______ 除……之外_________ 占据______ 任何事物都有两面性。_________________________
Fill in the blanks with correct words.
(1) Your sister can speak three languages. It is her __________ (优势).
(2) I don’t think it is a _______ (简单的) question, because many students can’t answer it.
(3) I’d like to go somewhere _____ ______ (遥远的) this summer holiday.
(4) You can include contact information so you can __ __ ___(保持联系).
(5) As a popular saying goes, every_____ (硬币) has two sides.
(6) Television can also be__________ (有害的) to us.
(7) What _______ (导致) the illness?
(8) This job has ______ ____(占用) all of my time.
(9) ______ _____ (除……之外) being fun and good exercise, swimming is a very useful skill．
(10) Mike ____ _____ ____ (能够) speak French when he was only ten.
Step6. Homework
Write a passage to talk about the advantages and disadvantages of the Internet. (50-100 words)
Step7.Preview
1. Learn the words and expressions in Lesson 24.
2. Underline the sentences you don’t understand on page 60.
六．Teaching reflection（教学反思）：
本课主要让学生谈论互联网的好处与坏处，通过问题的引领让学生通过听、（读）讨论的方式最后能正确地（说）表达出来，从学生回答情况来看，掌握还不错。从课后练习情况看对知识点的掌握也相对较好。存在的不足之处：1.由于时间关系，预设的一个环节没有进行——集体朗读课文；2. 学生的气氛没有充分调动起来。那么在以后的教学中，我会努力改正不足，使自己的课堂在不断改正中更加优秀。