Warming up、Pre-reading、Reading、Comprehending国家获奖教案

Unit 4

Exploring Plants Learning goals: 1.Learn and master some useful words and expressions in Unit 4; 2.Try to improve ss’ reading ability by reading the text and analyzing difficult sentences.

Important point: To develop reading ability and learn different reading skills. Difficult point:

To find out the specific information of the text. 【使用说明与学法指导】

1.

课前自学，大声朗读课本Unit4Words & Expressions; 2.

快速浏览课文，了解课文大意，理解重难点句子；

3.课前完成预习案；

预习案Previewing Case 一、

词汇

vt. 对……授粉

n.

锚

n. 庭院; 天井

vi. & vt. 抛锚; 锚定

n. 阳台; 包厢

adj. 紧的; 紧密的

adj. 异国家情调的; 奇异的

vt. 密闭; 密封

adj. 远的; 远处的

n. 容器

n. 埃及n. 货物

n. 限制; 约束

n. 植物学家

n. 流利; 流畅

n. 磅秤; 天平盘

vt. & vi. 剃; 刮

n. 斗争; 冲突

n. 雷雨; 雷暴二、

问题导学How much do you know about plants? 1 Do you have a courtyard or some pot plants on your balcony? Do you know where these plants come from? 2.When you last visited a public garden, did you look at the individual plants there? Were there any plants from other countries? 3.How do you think plants have traveled from one country to another?

三、预习自测

（Read the text and choose the right answer.）

1. The text is written in the order of___________. A. The importance of plant exploration B. The timeline of plant exploration C. The collection of plants D. The age of collectors 2. The word “ exotic” in the first paragraph probably means______ .

A. familiar

B. foreign

C. faraway

D. various 3. Who first sent seeds of the Dove Tree to Europe?

A. Robert Fortune

B. E.H.Wilson

C. Father Farges

D. Father d’Incarville

4. What is the most probable reason for collecting new plants in the 18th and 19th century? A. New plants could be used for scientific research B. The plant collectors took great interest in the expeditions C. The plant collectors were eager to enrich their experiences D. The plant collectors wanted to introduce new species to their native country.

探究案

Exploring Case Detailed reading:Try to get the main idea of each paragraph Para 1: Para 2 Para 3 Para 4 Para 5 Para 6 Para 7 Para 8 探究二Answer these questions in groups 1 Why was there a lot of plant collecting in the eighteenth and nineteenth centuries? 2 how did French missionaries come to be plant collectors? 3 What were some of the negative aspects of plant collecting expeditions? 4 Transporting plants over long distances was a big problem. Why was this? 5 Why did many plants fail to reach their destinations alive? Can you think of any other reasons? 6 What improved the survival rates of plants transported long distances? 探究三T or F Questions 1. The plants in our garden grew in China originally 2. The American Middle Classes took great interest in collecting new plants during the 18th and 19th centuries 3. French Catholic missionaries were beginning to set themselves up in China by the middle of the 18th century 4. After Father d’ Incarville died, some Tree of Heaven seeds were sent to England.

5.Banks, together with James Cook, collected many examples of plants in Australia. 6. Keeping plants alive during long land or sea voyage was very difficult, which caused the

Wardian Case to be invented. 7. Robert Fortune introduced over 120 species of plants to Western Gardens, because he could easily travel everywhere in China 8. During the second half of the 19th century, many Catholic missionaries were sent to China, and they collected many seeds of plants, which were sent back to France. 训练案exercise课文佳句赏析

1.

It is a mainly dry country ________ only a few coastal areas ______ _______ adequate rainfall to support a large population. 2.

However, Australia has a federal government _________ ________ matters _______ affect people all over the country, _______ _______ defence, foreign policy and taxation. 3.

______ these citizenship ceremonies we welcome those ______ have come from overseas _____ many different cultural and social backgrounds _____ our communities and our nation. 4.

______ _______ also ______ to climb the rock, but most people don’t do this ______ _____ _______ ______ the Aboriginal people ____ consider the rock _____ _____ sacred. 5.

_____ ______, Australia has _____ kinds of venomous snake_______ ______ ______ country in the world. 6.

However, although they look dangerous because of their wide mouths and sharp teeth, all _______ two _____ three are harmless to humans.