资源简介

(共14张PPT)
When Tomorrow Comes
Unit 7
Section B
Vocabulary in Use
Write the opposites of the words.
1. happy ___________
3. cheap ___________
5. strong ___________
7. early ___________
2. fast ___________
4. quiet ___________
6. full ___________
8. everything ___________
sad/unhappy
slow
expensive
noisy
weak
empty
late
nothing
Can you find the rules
一、否定前缀：
1.un-
含义： 表示“不，非，相反”。
特点： 使用最广泛，尤其常用于形容词和副词
able（能够的）→ unable（不能的）
friendly（友好的）→ unfriendly（不友好的）
usual（通常的）→ unusual（不寻常的）
happy（开心的）→ unhappy（不开心的）
lucky（幸运的）→ unlucky（不幸的）
comfortable（舒适的）→ uncomfortable（不舒适的）
dis-
含义：表示“不，相反，分离”。
特点：常用于动词和抽象名词，表示相反的动作或状态。
初中常见例子：
like（喜欢）→ dislike（不喜欢）
agree（同意）→ disagree（不同意）
appear（出现）→ disappear（消失）
honest（诚实的）→ dishonest（不诚实的）
cover（覆盖）→ discover（发现）*（本义为“揭开覆盖物”）
im- / in- / ir- / il-
含义：都表示“不，非”。
特点：它们是in- 的变体，为了便于发音，在特定字母前发生变化。这是拼写难点，需要特别记忆。
im-：通常加在以 b, m, p 开头的词前。
possible（可能的）→ impossible（不可能的）
polite（有礼貌的）→ impolite（不礼貌的）
patient（耐心的）→ impatient（不耐烦的）
ir-：通常加在以 r 开头的词前。
regular（规则的）→ irregular（不规则的）
responsible（负责的）→ irresponsible（不负责任的）
il-：通常加在以 l 开头的词前。
legal（合法的）→ illegal（非法的）
literate（有文化的）→ illiterate（文盲的）
in-：用于其他大多数情况。
active（活跃的）→ inactive（不活跃的）
correct（正确的）→ incorrect（不正确的）
visible（可见的）→ invisible（不可见的）
formal（正式的）→ informal（非正式的）
everywhere
二、合成词
nowhere
合成词
every+where
no+where
Can you give more examples？
everything
nothing
something
anything
upstairs
downstairs
indoor
outdoor
2a. Write the opposites of the words. Use your dictionary.
more
less/fewer
more 是 many/ much 的比较级， many—few, much—little
possible
impossible
im- 否定前缀，polite—impolite
better
worse
better 是 good 的比较级，good—bad
challenging
unchallenging
un-否定前缀
2a. Write the opposites of the words. Use your dictionary.
appear
disappear
dis- 否定前缀, agree—disagree
appoint—disappoint, like—dislike
winner
loser
positive
negative
everywhere
nowhere
Complete the sentences with the correct forms of the words in the box.
1. He ____________ a plan to learn German, but he didn’t say when he would
start.
2. It is important for young students to ____________ skills that will be valuable in the future.
3. Asimov’s ideas about robots ____________ many sci-fi writers and even some AI scientists.
4. China will take steps to improve the public health system to meet the public’s needs for medical and health ____________.
5. ____________ the challenges and don’t run away from your problems. Try to solve them and then you will find your way.
accept develop influence mention service
mentioned
develop
influenced
services
Accept
/ d m n/
n. 德语；德国人 adj. 德国的
/ v lju bl/
adj. 很有用的；宝贵的
/ t l nd / n. 挑战；质疑
v. 向（某人）挑战；对……怀疑
2b
一般过去时
it’s +adj.+for sb.+ to do sth.
一般过去时
祈使句用动词原形
How will AI technology _______________ the future world Many experts think AI will improve the _______________ of our future life and change many industries. For example, AI will help us build a smart public transport system and solve _______________ problems. AI will also change education. It will make learning better match what students need. While some jobs may go away, people will focus on more _______________ and difficult tasks. Will AI make our life better or _______________ It depends on how we choose to improve and use AI to meet future _______________.
challenge create influence quality traffic bad
Complete the sentences with the correct forms of the words in the box.
v.原
n.
n./adj.
adj.
adj.比较级
n.
meet challenges 迎接挑战
2c
Complete the passage with the correct forms of the words in the box.
challenge create influence quality traffic bad
How will AI technology __________ the future world？Many experts think AI will improve the ________ of our future life and change many industries. For example, AI will help us build a smart public transport system and solve _______ problems. AI will also change education. It will make learning better match what students need. While some jobs may go away, people will focus on more ________ and difficult tasks. Will AI make our life better or _______ It depends on how we choose to improve and use AI to meet future ___________.
influence
quality
traffic
creative
worse
challenges
Read 2c again and answer the questions.
How will AI technology influence the future world Many experts think AI
will improve the quality of our future life and change many industries.
For example, AI will help us build a smart public transport system and solve
traffic problems. AI will also change education. It will make learning
better match what students need. While some jobs may go away, people will
focus on more creative and difficult tasks. Will AI make our life better
or worse It depends on how we choose to improve and use AI to meet future challenges.
1. Are the expert positive about the future How do you know
Yes,they are.
Because many experts think AI will improve the quality of our future life and change many industries. .
Read 2c again and answer the questions.
How will AI technology influence the future world Many experts think AI
will improve the quality of our future life and change many industries.
For example, AI will help us build a smart public transport system and solve
traffic problems. AI will also change education. It will make learning
better match what students need. While some jobs may go away, people will
focus on more creative and difficult tasks. Will AI make our life better
or worse It depends on how we choose to improve and use AI to meet future challenges.
2. Do you think that AI will make our life better or worse Give example.
It will make our life better. For example,AI will help us build a smart public transport system and solve traffic problems.It will make learning better match what students need.
3. How can we prepare for the future
We should learn to improve and use AI wisely to meet future challenges.

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