Warming up、Pre-reading、Reading、Comprehending教案范文

人教版选修9 Unit4 Exploring plants 教学设计

西安市庆安高级中学

刘丹

I. Textbook Analysis This lesson focuses on plant exploration in Europe in the 18th and 19th centuries. This text briefly introduces some famous explorers and their achievements. Through learning the text, students can broaden their horizons and learn some knowledge about plant exploration. However, the length of this article is very long and the amount of information is very large, which makes it difficult for students to understand this text. Therefore, before this lesson, we should consider this problem to help senior three students improve their reading speed and analyze the details. Ⅱ.Teaching goals: 1. Students get some information on plant exploration. 2. Students get the main idea, find and infer information according to the reading material. 3. Students help, cooperate and communicate with each other. Ⅲ.Teaching important points To enable students to understand the reading material by using predicting, skimming, scanning, analyzing, summarizing and inferring after reading. Ⅳ.Teaching difficult points 1. To enable students make use of given information to express their opinions on the passage. 2. Help students observe language points and prepare for the grammar revision. Ⅴ.Teaching methods Task-based learning approach, competition, group work, discussion Ⅵ.Teaching aids

Multi-media computer platform Ⅶ.Teaching procedures

Step 1. Lead-in

What do you know about plants? Answer the following questions. Then in groups, see how much you know about the plants mentioned in the questions. Give examples of particular plants if you can. Do you know that”

1.

some plants don’t have flowers?

2.

some plants have roots that live in the air? 3.

some plants eat meat? 4.

some plants grow on other plants? 5.

some plants need animals to pollinate them? Focus: To make the students prepare some knowledge of plant. Step 2. Pre-reading

Scan the title and the pictures of the reading passage and predict what it is about. The author may tell us _____ in this passage.

A. some plants from other countries

B. the events happening in plant exploration

C. how to explore plants

D. famous plant collectors

Focus: Students can make prediction after observing the title carefully. Step 3. While-reading 1. Fast reading Read the text quickly and find out the main idea of the text and write down the topic of each paragraph. 2. Careful reading

Task 1. Scanning

Scan the text the answer the following questions. 1. Plant collectors met many difficulties except_______. A. diseases and near-starvation B. the conflicts with local people C. restrictions on the movement of Europeans D. lack of money

2. Who is not a collector mentioned in the passage? A. Father d’Incarville.

B. The Queen of England.

C. Robert Fortune. D. E H Wilson.

3. The following plants were taken to Europe except_______. A. the tree of Heaven B. the Dove Tree C. the tea plants 4. The first recorded plant exploration happened _______. A. in the 18th century B. about 1500 years ago C. about 3500 years ago D. about 2500 years ago

Focus: To develop students’ ability to search for detailed information.

Task 2. Analyzing The passage is organized in the order of ______. A. time

B. place

C. character

Focus: To develop students’ ability to analyze the whole passage.

Task 3. Language observation 1. What is the meaning of the underlined part in the sentence “One of the collectors was Father Farge, who collected 37 seeds from a tree that had appealed to him”?

A. that surprised him

B. that he had never seen before

C. that attracted him

D. that he thought was very valuable

2. The earliest record of plant exploration in history dates from 1500 BC.

The earliest record of plant exploration in history ____

____

____1500 BC. 3. People didn’t begin to explore plants on a large scale until the 18th and 19th

centuries.

It was ____

____ the 18th and 19th centuries that people began to explore plants on a large scale. Focus: To help students infer the meanings according to the context. Step 4. Post-reading

Help Liang Qiming find out who made the greatest contribution in plant exploration in the 18th and 19th centuries. Step 5. Discussing. Ed Walker’s last question was: What can individuals do to help slow down the destruction of rainforests? What do you think Dr Anne Butler said in reply? In groups, brainstorm this question and write a list of your ideas. Share them with other groups. Step 6. Homework

1.

Try to add a short paragraph as the end of the passage. 2. Get some information about plant exploration in the 20th and 21st centuries on the Internet.