Warming up、Pre-reading、Reading、Comprehending优质课教案内容

Unit 4 Exploring plants (period 1 Warming up ,Pre-reading, Peading)

-------plant exploration in the 18th and 19th centuries The aim of teaching: Let students know about the history of that famous collectors explored plants in the 18th

and 19th

centuries. Have a command of words in the text and read the important sentences carefully. The important and difficult points of teaching: students can skilfully use these words in their daily life and can put forward own ideas. Procedure 1.

Lead in

The teacher show students a short video and some pictures of different plants leading to the topic of the text. Then write the title on the blackboard. Then ask some questions about the topic.(How many parts are divided? What’s the main idea of each part?) 2.New lesson

(1).Let students read the text with the questions and discuss this questions. Part1(1-2)

The beginning of plant collecting

Part 2(3-4)

The exploration of plants in the 18th century Part3(5-7)The invention and use of Wardian case Part4(8-9)The exploration of plants in the 19th century (3).Main idea 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

(3).Do exercise Accroding to the three aspects, let students do some exercise to find important details and fill in the table. (4)

.Summary Please sum up the passage in about 30 words

It’s about plant exploration in the 18th and 19th centuries and some plant collectors, who came to China and Australia to look for plants species.

3.Discussion and speaking If there were no plants in the world,there would...... A.

The vast sea would slowly dry up. B.

Fertile land would become a desert. C.

There would no flowers for your lover.

D.

There would no animals, humanbeings and the colorful life. 4.Homework (1). Finish comprehending. (2).Retell the story.