英语人教版（2024）Unit 4 The Wonders of NatureSection A教学演示课件ppt

这是一份英语人教版（2024）Unit 4 The Wonders of NatureSection A教学演示课件ppt，文件包含第2课时SectionA2a-2dpptx、SectionA2band2cwav、深海科普mp4等3份课件配套教学资源，其中PPT共32页， 欢迎下载使用。
What place d these phts shw us?
Have yu ever been curius abut the deep sea?
What’s the deep sea like?
What’s in the deep sea?
Can we g dwn int the deep sea?
Pre-listening
1. Fenduzhe reached ______________.2. The deep sea begins at ______________.3. The Titanic rests at ______________.4. A whale can dive t ______________.
/taɪˈtænɪk/
Let’s knw mre abut the deep sea
While-listening
/səbˈmɜːsəbl/ n.潜水艇
dive int 潜入
1. Peple still dn’t knw much abut the __________.2. In __________, China’s Fenduzhe dived int the deep sea and filmed it.3. Sme animals have unusual abilities. Sme are __________ but can “see”. Sme can even create their wn __________.4. There is rubbish even at __________ metres deep.
深海相关的名词(短语)
视觉相关的名词(短语)
单词（短语）/数字过长时可先简写速记，后续补充完整
Listen and check
Ms Ga:Emma:Mr Jnes:
Thank yu fr the wnderful talk, Mr Jnes. Nw, des anyne have any questins? I d! Why are s many cuntries researching the deep sea?Well, curisity is ne reasn. We dn’t knw enugh abut the cean flr.
Fu Xing:Mr Jnes:
I remember that in 2020, China’s Fenduzhe dived deeper int the Mariana Trench than many ther submersibles in the wrld and filmed it. But I didn’t see any deep-sea animals. What are they like?Well, many deep-sea animals are large and unusual. Sme animals are blind, but they can “see” as well as thers. Sme even create their wn light!
Peter:Mr Jnes:Ms Ga:Mr Jnes:
Cl! Are there any ther surprising facts abut the deep sea?Did yu knw that there’s rubbish even at 11,000 metres deep? That shcked many peple. That’s terrible! We shuld d smething abut it. Yu’re right!
Pst-listening
What is the largest shark in the deep sea?What is the bttm f the deep sea like?Why is it imprtant t research the deep sea?
Bilgy and Eclgy
Explratin and Technlgy
Envirnment and Prtectin
Research value
Hw d deep-sea creatures survive withut sunlight?What is the mst unusual creature yu have ever discvered in the deep sea?D deep-sea animals have any special adaptatins t withstand the extreme pressure?
What kind f technlgy d yu use t explre the deepest parts f the cean?Hw lng can a submersible stay in the deep sea?What is the biggest challenge yu face when cnducting deep-sea research?
Hw des human activity (like plastic pllutin) affect the deep-sea ecsystem?What can we d t prtect the deep sea frm being damaged?Hw des climate change impact the temperature and life in the deep sea?
Have any deep-sea discveries helped with medical r technlgical advancements?What is the mst surprising thing yu’ve learned frm yur deep-sea research?Hw d deep-sea ecsystems cntribute t the health f ur planet?
What is the largest shark in the deep sea?
What is the bttm f the deep sea like?
It’s the whale shark.
It’s ttally dark. N plants grw here, and many animals make their wn light t find fd r cmmunicate. Besides, it’s very cld, with temperatures staying arund 0℃~4℃ all year rund. The pressure is als super high.
Why is it imprtant t research the deep sea?
There are several reasns. Firstly, it supprts cean life. Many fish and sea animals depend n the deep sea fr fd r safe places t live. Secndly, it has many valuable resurces (资源) fr us t use in ur life. Thirdly, it helps regulate (调节) Earth’s climate. The deep sea stres lts f carbn (碳), keeping ur wrld frm getting t ht.
Language pints
询问某物的深度时，常用句型“What’s ne’s depth?”或“What’s the depth ”，相当于“Hw deep ”。
〔名词〕深（度）；纵深
OCEAN DEPTHS
We fund water at a depth f 20 metres. 我们在20 米深处找到了水。
形容词形式：deep 深的；有……深的
What’s the depth f the lake here? =Hw deep is the lake here?这儿的湖水有多深？
4. A whale can dive t _____.
（1）〔动词〕潜水；跳水；俯冲I dived belw the surface f the water. 我潜入了水中。He likes diving int the swimming pl n ht days. 在炎热的天气里，他喜欢跳进泳池。
（2）〔名词〕潜水；跳水；俯冲The diver made a dive t a depth f 18 metres. 那名潜水者潜到了18 米水深处。
3. Sme animals have unusual abilities …
〔形容词〕特别的；不寻常的；罕见的
The cach has an unusual name. 这个教练有个特别的名字。It’s unusual t see a rainbw in the desert. 在沙漠里看到彩虹是很罕见的。
unusual 的相关词：
usual adj.通常的；寻常的
（反义词）unusual adj.特别的；不寻常的；罕见的
usually adv. 通常地；一般地
〔名词〕底部；最下部 对应词：tp 顶部；顶端
(at) the bttm f（在）……的底部frm tp t bttm 从上到下；彻底地
What is there at the bttm f the deep sea?深海底部有什么？They cleaned the huse frm tp t bttm befre the Spring Festival. 春节前，他们把房子彻底打扫了一遍。
Research reasn
China’s Fenduzhe
deep-sea animals
envirnment(生态环境)
the appearance (样貌) f the cean flr