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学习主题：Unit 4 Extended reading
Virtual reality 第8课时
学习目标：By the end of the lesson, students will be able to:
1. grasp the general information of the dialogue;
2. deeply understand some texts of the dialoged;
3. learn and use the core vocabulary;
4. analyse some complex sentences
Language points
Task 1:
1.... part of your brain believes it is—and acts accordingly. (lines 9)
accordingly adv. 相应地，照着；因此，所以
a. It is a difficult job and they should be paid ___acoordingly___________（相应地）.
b. The cost of materials rose sharply last year. ______Acoordingly__________（因此）, we were forced to increase our prices.
2. Imagine studying the solar system or the human body in a fully immersive environment. (lines 15-16)
immersive adj. 拟真的；沉浸式的
____immerse_____ v. 使沉浸(于)，使深陷(于)
____immersed_____ adj. 浸入的，专注的
immerse oneself in (doing) sth.
be immersed in (doing) sth.
1. Take notes and immerse ____yourself ______ in the words of great thinkers.
2. One drawback is that children become fixated and __immersed______ (immerse) in their screen time and become reluctant to exercise, ___resulting_______ (result) in problems such as obesity.
3. You’d better trying living your customers’ lives and experiencing the ____immersive
______ (immerse) realities of their media mix.
Can you think of more phrases about “沉浸于../致力于”
be immersed in
be indulged in
be buried in
be absorbed in
be involved in
be engaged in
be committed to
be devoted to
Task 2
3．By delivering the content in a meaningful way, this new approach to learning manage to engage students’ interest and enhance learning efficiency. (lines 16-18)
engage v. 允诺, 签约保证; 雇用, 聘请; 参加, 从事; 吸引,引起; 适应,与……有密切关系; 占用
engage的基本意思是“约定”,即凭借契约、誓言或诺言等约束人或事。用于约束别人,即表示“雇”“聘”; 用于约束自己,则表示“许诺”“保证”。这种允诺可信,有约束力,并将履行一段时间,如“订婚”等。引申可表示“占用,吸引,引起”或“使忙于,使从事”等。
Find out the meaning of the word “engage”
1). Jack and Anne are engaged (to each other). 订婚
2). I have engaged a room at this hotel. 预定
3). We engaged the services of a famous engineer. 雇佣
4). They never learned skills to engage the attention of the others.吸引
5) He is engaged in a game of tennis. 保证
6). He engaged himself to pay back the money. 参与，从事
Task 3
4. Treatments of anxiety and drug addiction are other valuable and cost-effective applications of VR. (lines 28-29)
addiction n. 沉溺，上瘾
be addicted to (doing) sth.对 ……上瘾
cost-effective adj. 有成本效益的，划算的
5. The entertainment industry is one of the most enthusiastic advocates of VR. (lines 33-34)
advocate v. 提倡，拥护，支持，主张，鼓吹，为…辩护
n. 提倡者,拥护者；辩护律师,辩护人
1. He is a strong advocate of nuclear power.
Translation：_________他是核能的强有力拥护者______________
2. Many experts advocate __rewarding_______ (reward) your child for good behavior.
Task 4
6. It really boils down to three things—time, cost and technical limitations. We will need time to develop and fine-tune ...(lines 45-46)
boil down to 归结为，简化为
The issue really boils down to a clash between left and right.
Translation: ______这个问题确实可以归结为对与错之间的冲突
fine-tune v. 调试，微调
The government seeks to fine-tune other economic policies.
7. When talking about VR, we should keep in mind its quick rate of evolution. (lines 53-54)
keep in mind 牢记 (bear ... in mind)
evolution n. 进化，发展，演变
vt & vi. __evolve______
Many Victorians were shocked by the notion that Man had evolved from lower forms of life.
He has evolved a new theory after many years of research.
Important sentence structure
Task 5
1.What if I told you that doctors could create a virtual “twin” in order to practise delicate surgery before attempting it on the patient
What if…？句型
用法1：表假设，意为“假若…….. /假若…….怎么办？/要是…….将会怎么样？其后句子可用陈述语气（用一般现在时），也可用虚拟语气（用一般过去时或should+动词原形）
What if this approach doesn’t work
What if the Moon had never existed
用法2：表邀请或建议，意为“如果…….怎么样？/如果…….如何？
What if you join us dancing
用法3：表示不重要或者不在乎，此时通常与so连用，意为“就算……..那有怎样？”
What if they have my name and address now
So what if he was late. Who cares
1)我们晚餐吃牛排怎么样？____ What if _____we have steak for dinner
2)要是我们在一个陌生的城市迷路了可怎么办？_ What if we get lost__in a strange city
3)就算没有一个人赞成我的意见，那又怎么样？
So ___ What if ______nobody else ____agrees with___me
Task 6
2.It won’t be long before virtual museums and interactive three-D exhibitions become common. (lines 36-37)
（1）It will not be+时间段+before+从句，意为“不久就…….”，从句常用一般现在时。
It will not be long before we meet again.
（2）It will be+时间段+before+从句，意为“要过多久才…….”，从句常用一般现在时。
It will be months before we get the results.
（3）It was+时间段+before+从句，意为“过了多久才…….”，从句常用一般过去时。
It was a long time before he came back.
（4）It was not+时间段+before+从句，意为“不久就……”，从句常用一般过去时。
It was not long before he sensed the danger of the position.
1）他还有四年才毕业。It _ will be 4 years ____before___ he graduates.
2）过了很久他们才找到他们的儿子。It_was long before__they found their son.
3).没过多久这对夫妻就见面了。It_ was not long before the couple met again.
4).不久他将退休。It __ won’t be long before ___before he retires.
Consolidation
单句语法填空
1. It is___virtually_____( virtual ) impossible to predict the future accurately.
2. How to give a___definition_______( definite ) of the phenomenon is being debated now.
3. To control limbs through AI technology is an interesting idea, but there are many___practical____________( practice ) difficulties.
4. With his strong____academic___________( academy ) background, he can restore the original appearance of the painting.
5. He is engaged in__building___( build) up a fundamental production framework.
6. She came________initially_______( initial) to spend a few days, but ultimately she stayed for a whole month.
7. Without doubt, he is optimistic __about________his future.
8. He was____annoyed________( annoy )that she should delete one of the most important documents in his computer.
9. The celebrity is____envied______(envy )by his opponent.
10. Prohibiting illegal fishing is a______global______( globe) task.
短语填空
a host of figure out be annoyed at be optimistic about
keep in mind that at the forefront of boil down to engage in
1. Comparing his opponents, many of their discoveries are__ at the forefront of __the field.
2. There are____ a host of ____idioms in English language.
3. The doctor said the infection of the wound boiled down to the carelessness of the nurse.
4. He_was annoyed at_what his fellows did to the disability just now.
5. The customers who engaged in _purchasing what they wanted did n' t notice the coming danger.
6. They have a good method to___ figure out _____the height of the mount.
7. You should_keep in mind that_psychology plays an important role in our social life.
8. He__is optimistic about___________his ambition.

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