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初中英语鲁教版（五四学制）（2024）九年级全册Unit 8 We’re trying to save the earth!Section A优质课件ppt
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这是一份初中英语鲁教版（五四学制）（2024）九年级全册Unit 8 We’re trying to save the earth!Section A优质课件ppt，共28页。PPT课件主要包含了Discuss， million，现在进行时，used to的用法，被动语态，现在完成时，took，think，came，trying等内容，欢迎下载使用。
单词：shark, fin, cruel, harmful, chain, ecsystem, industry, law, scientific, affrd, reusable, transprtatin短语：be harmful t, at the tp f, take part in, the fd chain, turn ff, pay fr, take actin句型： · each time引导时间状语从句 · if引导条件状语从句
Learning Gals
·熟练运用现在进行时、used t d结构、被动语态以及现在完成时。·树立保护鲨鱼、尊重自然的意识。
1. Have yu ever seen a shark（鲨鱼）?2. What d yu knw abut sharks?
Read the passage abut sharks and cmplete the fact sheet belw.
Save the Sharks! Many have heard f shark fin sup. This famus and expensive dish is especially ppular in suthern China. But d yu realize that yu’re killing a whle shark each time yu enjy a bwl f shark fin sup? When peple catch sharks, they cut ff their fins and thrw the shark back int the cean. This is nt nly cruel, but als harmful t the envirnment. Withut a
fin, a shark can n lnger swim and slwly dies. Sharks are at the tp f the fd chain in the cean’s ecsystem. If their numbers drp t lw, it will bring danger t all cean life. Many believe that sharks can never be endangered because they are the strngest in their fd chain. But in fact, arund 70 millin sharks are caught and traded in this industry every year. The numbers f sme kinds f sharks have fallen by ver 90 percent in the last 20 t 30 years.
Envirnmental prtectin grups arund the wrld, such as WildAid and the WWF, are teaching the public abut “finning”. They have even asked gvernments t develp laws t stp the sale f shark fins. S far, n scientific studies have shwn that shark fins are gd fr health, s why eat them? Help save the sharks!
develp laws t stp the sale f shark fins
WildAid and the WWF
In suthern China
Read the passage again and fill in the blanks with the wrds in the bx.
Many peple d nt realize they are killing a whle shark ______ they enjy a bwl f shark fin sup.2. Sharks are at the tp f the fd chain, ____ if their numbers drp, the cean’s ecsystem will be in danger.
3. Many think that sharks are t strng t be endangered, ____ they are wrng.4. _________ there are n scientific studies t supprt this, a lt f peple believe that shark fins are gd fr health.5. Sharks may disappear ne day ___ we d nt d smething t stp the sale f shark fins.
Language pints
Many have heard f shark fin sup. 许多人听说过鱼翅汤。 ◉ hear f意为“听说”，与hear abut 同义。强调从别 人那里间接听到，后接名词、代词作宾语，不可以用 于进行时态。※ Mr. Smith, have yu ever heard f this matter？ 史密斯先生，你以前听说过这件事吗？
2. When peple catch sharks, they cut ff their fins and thrw the shark back int the cean. 当人们抓住鲨鱼的时候，他们切掉它们的鳍，然后把鲨 鱼扔回海里。◉cut ff是固定搭配，意为“切除；切掉”。※ Take care nt t cut ff the buds. 当心不要把幼芽切掉。
3. This is nt nly cruel, but als harmful t the envirnment. 这样不仅残忍，也对环境有害。◉ cruel作形容词，意为“残酷的；残忍的”。※ Hw culd he be s cruel？他怎么能这样残酷无情呢？◉ harmful作形容词，意为“有害的”，常用于固定搭配be harmful t，意为“对……有害”，等同于d harm t、be bad fr。※ It is harmful t the stmach t eat cld fd. 吃冷食对胃不好。
4. S far, n scientific studies have shwn that shark fins are gd fr health, s why eat them？ 到目前为止，没有科学研究表明鱼翅对健康有好处，所 以为什么要吃它们呢？◉ s far意为“到目前为止；迄今为止”，是现在完成时的标志之一。※ S far we haven’t fund ut an effective way t cure AIDS. 迄今为止我们还没有找到治疗艾滋病的有效办法。
Grammar Fcus
现在进行时的构成为：“am/is/are+动词的现在分词”。1. 表示说话时正在进行的动作。※ I am ding my hmewrk. 我正在做家庭作业。2. 表示现阶段正在进行的动作。※ He is writing a nvel these days. 这些天他正在写一本小说。
Grammer pints
“used t+动词原形”表示过去存在的某种状态或过去某种经常性、习惯性的行为或动作，这种情况目前已不复存在，侧重于过去与现在的对比。※ I used t be shy at schl, but nw I am very utging. 我过去上学时很害羞，但是现在我十分外向。
被动语态的构成为：“be动词+及物动词的过去分词”。1. 表示不知道或没有必要说明动作的执行者是谁。※ This bk is written fr children. 这本书是为儿童写的。2. 表示动作的承受者是谈话的中心。※ My sweater is made by my mther. 我的毛衣是我妈妈做的。3. 表示出于礼貌等方面的考虑并不说出动作的执行者是谁。 ※ He was asked t leave. 他被要求离开。
现在完成时的构成为：“have/has+动词的过去分词”。1. 强调不久前完成的动作对现在产生的影响。※ I have seen the film already. 我已经看过那部电影了。2. 表示从过去某时开始并一直延续至今的动作或状态， 这个动作或状态也许还会持续下去。※ He has lived here since then. 从那以来，他一直住在这里。
Fill in the blanks with the crrect frms f the verbs in brackets.
Je: _____ yu ever ______ (take) part in an envirnmental prject?Ken: Yes, I have. I ______ (help) with a Clean-Up Day last year. It was __________(cnsider)the biggest clean-up prject this city ____ ever ____ (have).
参加，多指参加群众性活动
Je: Hw many peple ____ (take) part?Ken: I _____ (think) mre than 1,000 peple ______ (cme) t help ut.Je: That’s fantastic! I guess everyne in this city is ______ (try) t imprve the envirnment.Ken: Yes, we can’t affrd t ____ (wait) any lnger t take actin!
affrd及物动词，意为“负担得起”。affrd t d sth. 承担得起做某事。
Yes, we can’t affrd t wait any lnger t take actin！是的，我们不能再等了，（应该立刻）采取行动！◉ affrd通常与can、be able t等连用，表示“负担得起 （费用、后果等）；抽得出（时间）”。其后一般接名词、 代词或不定式，主要用于否定句中。※ We can’t affrd t pay such a price. 我们付不起这个价钱。
Fill in the blanks with the apprpriate mdal verbs frm the bx.
can wuld culd have t shuld must may/might
Peple __________ think that big things ___________be dne t save the earth. Many frget that saving theearth begins with small things.
must/have t
Fr example, yu ____________________ save electricity by turning ff the lights when yu leave a rm. Yu ________________ als use reusable bags instead f plastic bags.
can/ culd/ shuld
culd/ can/ shuld
I think it’s a great idea that yu nw _______ pay fr plastic bags in sme stres. And instead f driving t schl r wrk, yu ________________ ride yur bike r walk. If it’s far, yu _________ take the bus.
can/shuld/culd
All these small things __________ add up and becme big things that _______________ imprvethe envirnment. Let’s take actin nw!
wuld/can/culd
Make a list f things that peple can d t help the envirnment and discuss yur list with yur partner.
I think that everyne shuld use public transprtatin.
I disagree. It’s difficult fr parents with yung children t use public transprtatin…
I. 根据句意及汉语提示，写出单词。1. Why nt make ________(法律) t stp smking in public places?2. S far, China’s ________(工业) has develped quickly.
3. Can yu invite Mr. Jasn t speak at the _________ (科学的) meeting?4. Dn’t be s ______(残酷的) t the children.
scientific
1. 她过去常常周末和同学闲逛。 She used t hang ut with his classmates n weekends.2. 他习惯于每天晚上熬夜。 He is used t staying up every night.3. 刚才一些老年人参观了我们学校。(被动语态)
Our schl was visited by sme ld peple just nw.
单词：shark, fin, cruel, harmful, chain, ecsystem, industry, law, scientific, affrd, reusable, transprtatin短语：be harmful t, at the tp f, take part in, the fd chain, turn ff, pay fr, take actin句型： · each time引导时间状语从句 · if引导条件状语从句
Learning Gals
·熟练运用现在进行时、used t d结构、被动语态以及现在完成时。·树立保护鲨鱼、尊重自然的意识。
1. Have yu ever seen a shark（鲨鱼）?2. What d yu knw abut sharks?
Read the passage abut sharks and cmplete the fact sheet belw.
Save the Sharks! Many have heard f shark fin sup. This famus and expensive dish is especially ppular in suthern China. But d yu realize that yu’re killing a whle shark each time yu enjy a bwl f shark fin sup? When peple catch sharks, they cut ff their fins and thrw the shark back int the cean. This is nt nly cruel, but als harmful t the envirnment. Withut a
fin, a shark can n lnger swim and slwly dies. Sharks are at the tp f the fd chain in the cean’s ecsystem. If their numbers drp t lw, it will bring danger t all cean life. Many believe that sharks can never be endangered because they are the strngest in their fd chain. But in fact, arund 70 millin sharks are caught and traded in this industry every year. The numbers f sme kinds f sharks have fallen by ver 90 percent in the last 20 t 30 years.
Envirnmental prtectin grups arund the wrld, such as WildAid and the WWF, are teaching the public abut “finning”. They have even asked gvernments t develp laws t stp the sale f shark fins. S far, n scientific studies have shwn that shark fins are gd fr health, s why eat them? Help save the sharks!
develp laws t stp the sale f shark fins
WildAid and the WWF
In suthern China
Read the passage again and fill in the blanks with the wrds in the bx.
Many peple d nt realize they are killing a whle shark ______ they enjy a bwl f shark fin sup.2. Sharks are at the tp f the fd chain, ____ if their numbers drp, the cean’s ecsystem will be in danger.
3. Many think that sharks are t strng t be endangered, ____ they are wrng.4. _________ there are n scientific studies t supprt this, a lt f peple believe that shark fins are gd fr health.5. Sharks may disappear ne day ___ we d nt d smething t stp the sale f shark fins.
Language pints
Many have heard f shark fin sup. 许多人听说过鱼翅汤。 ◉ hear f意为“听说”，与hear abut 同义。强调从别 人那里间接听到，后接名词、代词作宾语，不可以用 于进行时态。※ Mr. Smith, have yu ever heard f this matter？ 史密斯先生，你以前听说过这件事吗？
2. When peple catch sharks, they cut ff their fins and thrw the shark back int the cean. 当人们抓住鲨鱼的时候，他们切掉它们的鳍，然后把鲨 鱼扔回海里。◉cut ff是固定搭配，意为“切除；切掉”。※ Take care nt t cut ff the buds. 当心不要把幼芽切掉。
3. This is nt nly cruel, but als harmful t the envirnment. 这样不仅残忍，也对环境有害。◉ cruel作形容词，意为“残酷的；残忍的”。※ Hw culd he be s cruel？他怎么能这样残酷无情呢？◉ harmful作形容词，意为“有害的”，常用于固定搭配be harmful t，意为“对……有害”，等同于d harm t、be bad fr。※ It is harmful t the stmach t eat cld fd. 吃冷食对胃不好。
4. S far, n scientific studies have shwn that shark fins are gd fr health, s why eat them？ 到目前为止，没有科学研究表明鱼翅对健康有好处，所 以为什么要吃它们呢？◉ s far意为“到目前为止；迄今为止”，是现在完成时的标志之一。※ S far we haven’t fund ut an effective way t cure AIDS. 迄今为止我们还没有找到治疗艾滋病的有效办法。
Grammar Fcus
现在进行时的构成为：“am/is/are+动词的现在分词”。1. 表示说话时正在进行的动作。※ I am ding my hmewrk. 我正在做家庭作业。2. 表示现阶段正在进行的动作。※ He is writing a nvel these days. 这些天他正在写一本小说。
Grammer pints
“used t+动词原形”表示过去存在的某种状态或过去某种经常性、习惯性的行为或动作，这种情况目前已不复存在，侧重于过去与现在的对比。※ I used t be shy at schl, but nw I am very utging. 我过去上学时很害羞，但是现在我十分外向。
被动语态的构成为：“be动词+及物动词的过去分词”。1. 表示不知道或没有必要说明动作的执行者是谁。※ This bk is written fr children. 这本书是为儿童写的。2. 表示动作的承受者是谈话的中心。※ My sweater is made by my mther. 我的毛衣是我妈妈做的。3. 表示出于礼貌等方面的考虑并不说出动作的执行者是谁。 ※ He was asked t leave. 他被要求离开。
现在完成时的构成为：“have/has+动词的过去分词”。1. 强调不久前完成的动作对现在产生的影响。※ I have seen the film already. 我已经看过那部电影了。2. 表示从过去某时开始并一直延续至今的动作或状态， 这个动作或状态也许还会持续下去。※ He has lived here since then. 从那以来，他一直住在这里。
Fill in the blanks with the crrect frms f the verbs in brackets.
Je: _____ yu ever ______ (take) part in an envirnmental prject?Ken: Yes, I have. I ______ (help) with a Clean-Up Day last year. It was __________(cnsider)the biggest clean-up prject this city ____ ever ____ (have).
参加，多指参加群众性活动
Je: Hw many peple ____ (take) part?Ken: I _____ (think) mre than 1,000 peple ______ (cme) t help ut.Je: That’s fantastic! I guess everyne in this city is ______ (try) t imprve the envirnment.Ken: Yes, we can’t affrd t ____ (wait) any lnger t take actin!
affrd及物动词，意为“负担得起”。affrd t d sth. 承担得起做某事。
Yes, we can’t affrd t wait any lnger t take actin！是的，我们不能再等了，（应该立刻）采取行动！◉ affrd通常与can、be able t等连用，表示“负担得起 （费用、后果等）；抽得出（时间）”。其后一般接名词、 代词或不定式，主要用于否定句中。※ We can’t affrd t pay such a price. 我们付不起这个价钱。
Fill in the blanks with the apprpriate mdal verbs frm the bx.
can wuld culd have t shuld must may/might
Peple __________ think that big things ___________be dne t save the earth. Many frget that saving theearth begins with small things.
must/have t
Fr example, yu ____________________ save electricity by turning ff the lights when yu leave a rm. Yu ________________ als use reusable bags instead f plastic bags.
can/ culd/ shuld
culd/ can/ shuld
I think it’s a great idea that yu nw _______ pay fr plastic bags in sme stres. And instead f driving t schl r wrk, yu ________________ ride yur bike r walk. If it’s far, yu _________ take the bus.
can/shuld/culd
All these small things __________ add up and becme big things that _______________ imprvethe envirnment. Let’s take actin nw!
wuld/can/culd
Make a list f things that peple can d t help the envirnment and discuss yur list with yur partner.
I think that everyne shuld use public transprtatin.
I disagree. It’s difficult fr parents with yung children t use public transprtatin…
I. 根据句意及汉语提示，写出单词。1. Why nt make ________(法律) t stp smking in public places?2. S far, China’s ________(工业) has develped quickly.
3. Can yu invite Mr. Jasn t speak at the _________ (科学的) meeting?4. Dn’t be s ______(残酷的) t the children.
scientific
1. 她过去常常周末和同学闲逛。 She used t hang ut with his classmates n weekends.2. 他习惯于每天晚上熬夜。 He is used t staying up every night.3. 刚才一些老年人参观了我们学校。(被动语态)
Our schl was visited by sme ld peple just nw.
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