外研版（2019）必修第一册 Unit 2 Exploring English Understanding Ideas 语言点课件(共25张PPT)

(共25张PPT)
Unit 2 Exploring English
Neither Pine
nor Apple
in Pineapple
Language points
opposing adj.
(观点、意见等)相反的
相对立的
1. Delegates expressed strong ____________ (oppose) to the plans.
2. If they run slower, you'll see the ___________ (opposing) effect.
3. His opinion on students using mobile phones is _______________
(与我们的对立).
4. The citizens _______________ (反对) raising the level of taxes.
opposition
opposite
语境运用
代表
opposing to us
are opposed to
harmless adj. 无害的，不致伤的
【归纳拓展】
harm n./v. 伤害，损害
do sb./sth. harm= do harm to sb./sth.
there is no harm in (sb.'s) doing sth. (某人) 做某事没有坏处
it does no harm (for sb.) to do sth. (对某人来说) 做某事没有坏处
harmful adj. 有害的
harmful adj. 有害的 be harmful to 对......有害
1. Fruit juice can ______________ (对......有害) children's teeth.
2. The research shows that polluted air really _____________(损害) people's health.
3. These include plants that have sensors printed onto their leaves to show when they're short of water and a plant that can detect
___________ (harm) chemicals in groundwater.
be harmful to
does harm to
语境运用
harmful
传感器
察觉；检测
behavior n. 举止，行为
【归纳拓展】
show... behavior to/towards sb./sth. 对......表现出......行为
behave vt. 表现；表现得体，有礼貌
behave oneself 举止规矩有礼，检点
behave well/badly 举止得当/不得当
well/badly-behaved 表现好/差的
1. He always ______________________________ (对......表现出友好的行为) his classmates.
2. This is such a _______________ (规矩的男孩) that he is never late for school.
3. She doesn't know how to behave ________ (she) in public.
shows friendly behavior to/towards
well-behaved boy
语境运用
herself
confusing adj. 令人困惑的
【归纳拓展】
confuse vt. 使迷惑；使糊涂；混淆 confuse A with B
confusion n. 困惑；混淆 in confusion 困惑地；在混乱中
confused adj. 困惑的；糊涂的 be confused about 对......感到困惑
1. A survey showed people were ___________ (confuse) about what they should eat to stay healthy.
2. He looked at me in ____________ (confuse) and did not answer the question.
3. He used many terms in his speech which sounded ___________
(confuse) to the audience.
4. People __________________ (对......困惑) all the different labels on food these days.
confused
confusion
语境运用
confusing
are confused about
burn up 烧掉；烧毁；（通过锻炼）消耗热量
【归纳拓展】
burn v.燃烧；烧毁；烧伤；灼伤 n. 烧伤；烫伤；灼伤
burn down (火势)减弱；(使)烧毁；焚毁
burn out 烧坏；烧尽；燃尽
burning adj. 燃烧的；发热的；急切的
burnt adj. 烧坏的；烧伤的；烫伤的
burn burned burned
burn burnt burnt
1. Don't let the fire __________ (减弱) because it is colder and colder outside.
2. When he returned to the room, he found the candle had
_____________ (燃尽).
3. As a result, they __________ (burn) more fat during walks on an empty stomach than when they had eaten first.
4. The spray _______ (burn) the bears' eyes, but doesn't hurt them.
burn down
burnt out
语境运用
burnt
burns
reflect v.
显示,反映;思考
1. She could see herself 　　　 　 (reflect) in his eyes.
2. She was extremely pretty,and her house was a
(reflect) of herself,everything in good taste and in perfect order.
3.Everything you do or say is reflective 　　　　 your personality.
语境运用
reflected
reflection
of
creativity n.
创造性,创造力
1 The conversation that you have with your friend cannot be experienced or 　 　　 　(recreate) by anyone else.
2 Designer Jennifer Anderson admits it took her a while to come around to the opinion that using nutria fur for her
(create) is morally acceptable.
语境运用
recreated
creations
3 One may wonder how the Silence Machine works.Well,it functions by analyzing the waves of the incoming sound and
(create) a second set of outgoing waves.
4 What will remain of us when artificial intelligence takes over will
be our 　　　 　, and it is our 　　　 　spirit, our visionary
sense of freshness,that has been our strength for centuries. (create)
语境运用
creating
creativity
creative
wind up
给(机械)上发条;
使(活动、会议等)结束
1 —How about the weather
—It’s 　　　　 (wind).
2 It seems that the chairman will wind 　　　　 the meeting.
3 The Great Wall 　　　 　 (wind) its way from west to east,till at
last it reaches the sea.
4 I 　　　　　　　　 (最后做) the job just to keep my customers happy.
语境运用
windy
up
winds
wound up doing
not...until...
直到……才……
1 People 　　　　　　 　　 (没有意识到) the importance of protecting environment until recent years.
2 Not until her mother recovered from the illness 　　　　　 .
(她才离开) for work.
3 It was not until five o’clock in the afternoon that they
　　　　　　　 　　　　(完成他们的工作).
语境运用
didn’t realise
did she leave
finished their work
neither...nor...
既不……也不……
1 Not only the students but also their teacher 　　　　(be) enjoying the film.
2 Neither Amy nor Hellen 　　 　　 (like) English.
3 Either you or she 　　　　(be) good at drawing.
语境运用
is
likes
is
Homework
复习导与练知识点P21-27
熟记新单词，预习新课文