北师大版高二英语必修4电子课本课件【全册】

英语 必修2
Unit 4 Cyberspace
课前自主预习 课内研析探究 课时作业
consist of 由……组成 (教材 P18)New Zealand，in the South Pacific，consists of two large islands plus other smaller islands with an area of 270,000 sq km.新西兰，位于南太平洋 上，由两个大岛和另外一些小岛组成，占地面积 270 000 平方千米。 ①A school mainly consists of teachers and students. 学校主要由教师和学生构成。
英语 必修2
Unit 4 Cyberspace
课前自主预习 课内研析探究 课时作业
课内研析探究
英语 必修2
Unit 4 Cyberspace
课前自主预习 课内研析探究 课时作业
carry out 实施，执行，履行；完成 (教材 P17)What do you think are some of the reasons that people carry out experiments in space? 你认为哪些是人们在太空进行实验的原因？ ①The plan should be carried out immediately. 那项计划应当立刻实施。 carry off 赢得；夺去生命 carry on 继续进行下去；开展，从事 ②We can carry on our discussion after lunch. 午饭后我们可以继续讨论。
课前自主预习 课内研析探究 课时作业
实施；执行；实行；落实；贯彻 由……组成 切掉；割掉；剪下；删去；切断 打电话；使回忆起 变得紧张

1. What do you learn from the story? 2. What is the possible title for the story?
Read Story B and answer the following questions.
1. Which characters are in the story? 2. Where are they? 3. What happened to / between them? 4. Why is it funny?
Real purpose
The result
He wanted Watson He realized
to confirm that their their tent
tent was stolen.
was stolen.
Dr. Watson
He spoke about astronomy and the
The store owner said “sorry” twice. The first time he refused to sell the cat in order to raise the price. The second time he refused to sell the saucer to tell the art collector the truth. The same word must be said in different intonations.
It’s funny to contrast the art collector’s lengthy / long explanation for his urgent need of a cat with the store owner’s brief / short answer “sold”.

Para.5
E.Online relationships may not be what they appear to be.
Para.1 Para.2
Para.3 Para.4 Para.5
The Internet Helps Friendships A.The Internet has made communication more fun. B.The Internet brings people closer together and makes
friendships.Robert holds the view that the Internet harms friendships.Firstly,
talking online is no 1. replacement (replace) for face-to-face contact.
Activity 3 Read Para.3 and fill in the blanks.
3.Some people are only concerned about their online popularity .
4.A lot of the content posted on social media is shallow and trivial.
Para.2
B.The Internet can make people self-centred.
Para.3
C.The Internet can harm friendships.
Para.4
D.Talking online is no replacement for face-to-face contact.
are,and it is easy for them to be cheated.

• Giving examples
For example, instead of having proper conversations with their friends …
Online friendship is not built on
the basis of trust, so going online
/
can be dangerous for some people.
Conclusion (Para. 5) Friends should focus more on face-to-face communication to maintain
healthy friendships.
While-reading
…
Warm up
Does the Internet help or harm friendships? Answer the question and write down your reasons in the table below.
Pre-reading
Identifying Topic Sentences and Supporting details
Supporting details
Methods to support arguments
1 Images cannot replace a real-life … 2 Communicating through a screen makes it more difficult … to concentrate or show kindness …
Warm up
The two quotes are said by some netizens (Internet users). Do you agree/disagree with the quotes? Talk with your partner and give your reasons.