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(共23张PPT)
Unit 5 Nature’s Temper
Section B（2a-2c）
· 学习目标
· 新课导入
· 内容讲解
· 课堂总结
· 课后作业
Learning goals
1. New words: landslide, safeguard, floodwater, manpower, heartbeat,
rescue, heatwave, southwestern, firefighter, volunteer
2. Expressions: take place, sweep through, blow across
3. Sentences: ① It can be very difficult to see clearly on the roads.
② The tsunami swept through the village.
Lead-in
What caused the wildfire
How did people stay safe

New words
landslide / l ndsla d/ n. 滑坡；塌方
safeguard / se fɡɑ d/ v. 保护；捍卫
floodwater / fl dw t (r)/ n. 洪水
New words
manpower / m npa (r)/ n. 劳动力；人力
heartbeat / ha tbi t/ n. 心跳（声）
rescue / reskju / n.& v. 救援；营救
New words
heatwave / hi twe v/ n. 热浪
southwestern / sa θ west n/ adj. 西南的；
西南方向的
New words
firefighter / fa fa t (r)/ n. 消防队员
volunteer / v l n t (r)/ n. 志愿者；自告奋勇者
v. 自愿做；义务做
New words
landslide / l ndsla d/ n. 滑坡；塌方
safeguard / se fɡɑ d/ v. 保护；捍卫
floodwater / fl dw t (r)/ n. 洪水
manpower / m npa (r)/ n. 劳动力；人力
heartbeat / ha tbi t/ n. 心跳（声）
New words
rescue / reskju / n.& v. 救援；营救
heatwave / hi twe v/ n. 热浪
southwestern / sa θ west n/ adj. 西南的；西南方向的
firefighter / fa fa t (r)/ n. 消防队员
volunteer / v l n t (r)/ n. 志愿者；自告奋勇者 v. 自愿做；义务做
Textbook
2a
Some words for natural disasters go together with certain verbs. Use these collocations to make sentences.
earthquake: hit/rocked/happened/took place An earthquake hit Japan yesterday.
_______________________________
typhoon: hit/landed /blew across A typhoon landed at 9 o’clock last night.
_________________________________
tsunami: hit/came/swept through The tsunami swept through the village.
_________________________________
An earthquake rocked the small town last year.
A typhoon blew across the island last night.
The tsunami came towards the shore quickly.
Language points
1
“ take place ”意为“发生”，多指按计划、安排发生的事件，不能用于被动语态。
一般现在时：表示经常性、习惯性的发生/举行。
例：The Spring Festival takes place in January or February every year.
一般过去时：描述过去发生的具体事件。
例：An important meeting took place in our school last week.
现在完成时：强调从过去到现在发生的变化或经历。
例：Many great changes have taken place in my hometown since 2000.
Language points
练
1. 完成句子。
Great changes ______________ (take place) in our city since 1999.
have taken place
2. 翻译句子。
这场艺术节将于下周六在市中心的广场举行。
The art festival will take place in the square in the city center next Saturday.
Language points
2
“sweep through” 表示“席卷;迅速传遍;横扫”,既可以指具体的事物(如风暴、洪水、火焰等)快速掠过某个地方,也可指抽象的事物(如情绪、谣言等)在某处迅速传播。
1.主动语态：主语是动作的发出者（如风暴、情绪等），这是最
常用的形式。
例：A wildfire swept through the forest last month.
2. 被动语态：偶尔可用于被动 (be swept through)，但较少见，多
强调“被席卷/波及”。
例：The small town was swept through by the typhoon.（这个小镇遭到了台风的横扫。）
Language points
练
1. 完成句子。
A wave of panic _____________ (sweep through) the crowd when the alarm rang.
swept through
2. 翻译句子。
当人们得知这位著名作家去世的消息时，一阵悲痛迅速席卷了整个文学界。
When people learned the news of the famous writer's death, a wave of sorrow swept through the entire literary circle quickly.
Textbook
2b
Look at the compound words in the box. Do you know what they mean Complete the sentences using five of these words.
landslide snowstorm earthquake safeguard
floodwater manpower wildfire heartbeat
1. The rescue workers need more _________ to clear the streets.
2. The family built strong roofs to ________ their house from heavy storms.
manpower
safeguard
Textbook
2b
landslide snowstorm earthquake safeguard
floodwater manpower wildfire heartbeat
3. The doctor listened to the man’s _________ carefully.
4. During the storm, the ___________ nearly reached our windows.
5. People should avoid driving during a _________ because it can
be very difficult to see clearly on the roads.
heartbeat
floodwater
snowstorm
Textbook
2c
Complete the passage with the correct forms of the words in the box.
refuse drought warn hit safe wildfire
In August 2022, China experienced a great heatwave. It caused ______ in different parts of the country. The heatwave ____ the southwestern city of Chongqing very hard. Large _________ swept through the forests and mountains there. Over 5,000 firefighters, police, and volunteers all worked together to keep the people and their homes safe.
drought
hit
wildfires
Textbook
2c
They put out the fires, brought more than 1,500 people to _________ , and _________ others to stay away from dangerous areas. It was very hard to fight the fires because of the high temperatures and changeable winds, but the rescue workers _________ to give up. By the end of August, they managed to put out all the fires.
refuse drought warn hit safe wildfire
safety
warned
refused
Language points
3
“ it can be difficult to ”意为“做某事可能会很困难”。
1. 核心结构：It + can be + difficult + to do sth.
2. 否定形式：It can not（can’t）be difficult to do sth. ( “做某事可能不困难 ” )
3. 不定式的逻辑主语：若需明确“谁做某事”,可加 for sb.，结构为 It can be difficult for sb. to do sth. ( “对某人来说，做某事可能会很困难” )。
例：It can be difficult for beginners to learn English grammar.（对初学者来说，学英语语法可能会很困难。）
Language points
练
1. 完成句子。
It can be difficult __________________ (communicate) with people from different cultural backgrounds.
2.单项选择。
_____ for children to understand the meaning of this poem.
A. It can be difficult B. It can difficult
C. That can be difficult D. It is difficulty
to communicate
A
Summary
New words
landslide, safeguard, floodwater, manpower, heartbeat, rescue, heatwave, southwestern, firefighter, volunteer
Expressions
take place, sweep through, blow across
Sentences
① It can be very difficult to see clearly on the
roads.
② The tsunami swept through the village.
Homework
1
Memorize the new words, expressions and sentences in Section B (2a-2c).
2
Finish the exercises of the test paper on the book 5·3.

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