Unit 13 Section A （3a～4c）-【绿卡初中创新题】2025-2026学年九年级下册英语同步教案(人教版)河北专版

课时

第2课时 Section A （3a~4c）

课型

新授课

教学目标

【知识与技能】

1. 掌握以下词汇和短语：

cruel, harmful, fin, chain, ecosystem, industry, law, scientific, present, be harmful to, at the top of, afford, reusable, transportation, take part in, turn off, take action

2. 熟练掌握以下句型：

(1)So far, no scientific studies have showed that shark fins are good for health.

(2)Have you ever taken part in an environmental project?

(3)We should help save the sharks.

3. 掌握本单元语法：

 能正确运用现在进行时、现在完成时、被动语态、情态动词和used to 句型。

【情感、态度与价值观】

有环境危机意识，学会关注环境保护环境。

教学重点

1. 能正确运用现在进行时、现在完成时、被动语态、情态动词和used to 句型。

2. 保护环境的措施方法。

教学难点

现在进行时、现在完成时、被动语态、情态动词和used to 句型的用法。

教学准备

音频和课件。

教 学 过 程

Step 1: Leading in

1. Show students pictures of endangered animals in China.

2. Encourage students to say more endangered animals they know and ask them to think about: Why these animals are endangered? What can we do to protect them?

3. Ask the following questions and let students answer:

(1)What do you know about sharks?

(2)Do you think sharks are endangered? Why?

4. Ask students to work in groups of four and discuss the question: What do you think might have caused a fall in the number of sharks?

5. Encourage students to share their answers to the class.

Step 2: Preparation

1. Teach students some new words and expressions such as shark fin, the food chain and Wild Aid.

2. Show students the video about catching sharks and getting shark fins, and

then ask students to answer the questions: What will happen to the shark? What should we do?

Step 3: Reading

1. Ask students to read the passage sentence by sentence. Explain the new words and phrases to students.

2. Ask students to complete the chart based on the passage.

(Answers: southern China  around 70 million  to develop laws to stop the sale of shark fins  WildAid and the WWF)

3. Check that students understand how to correctly use the conjunctions before having them complete the blanks in 3b.

so: used to say that something is a result of something else that has just been mentioned

although: used to contrast one part of a sentence with another; has the effect of making the main idea in the sentence seem surprising or unexpected

if: used to talk about the circumstances in which something else might happen; gives the condition for something else to happen

but: used to contrast two parts of a sentence and show that they are opposite or very different in meaning

when: used to talk about the time at (or during) which something happens

(Answers: 1. when  2. so  3. but  4. Although  5. if)

Step 4: Group work

1. Show students a video about “No eating shark fins”.

2. Let students discuss what they can learn from the video in groups.

3. Invite several groups to share their ideas.

4. Tell students that every creature has its own value of existence, and that people need to protect the animals and maintain the ecological balance.

Step 5: Language points

1. no longer

(1)no longer意思是“不再”

I’m no longer a student. 我不再是个学生了。

(2)有两个短语和no longer同义，即not...any longer和not...any more，但它们侧重的方面不同。no longer和not...any longer侧重时间。not...any more侧重侧重程度和数量。

He no longer lives here.= He doesn’t live here any longer.

他不在这儿居住了。(以前他住在这儿，过了这个时间，他就离开了。)

You can drink no more. = You can’t drink any more.

你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。)

2. not only...but also...