NSEFC高三Unit 4 Green worlds reading教案
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Unit 4 Green worlds教案
Pre-reading
In SB1(下) Unit19, we have learned some knowledge about agriculture. And we have known about one of the greatest scientists in our history-Jia Sixie.
Did you remember? How do we plant crops?
We should plant rice in a field one year and wheat in the field next year.
How do we plough?
Plough deep the first time and less deep the second time.
In this unit, we will learn about scientists who are important to the history of botany and agriculture.
This word “botany”植物学,is a word about plants. As we all know, there are many plants around us, such as wheat, corn, tomato, apple trees etc. Without these plants, we can’t live. But how much do you know about them? Who can tell us something about them.
Student A Wheat is a kind of plant that can be make into bread, some delicious cakes which can make us full.
Student B Apple trees can produce apples that can provide us vitamins which can keep our bodies fit.
Yes, these plants are very useful, but how do we plant them? Where are they from?
It is a kind of very careful work to plant the crops and trees. At first, they are wild plants.
Reading
Now let’s look at the text-The birth of a science.
Post-reading
Read then do exercise 1 in post-reading.
(1) Keys:1D2D3B4A5C
(2) Questions
1 How did scientists classify plants before Linnaeus?
They classified plants into herbs and trees, or according to the shape of the fruit, or whether they bad flowers or not.
2 How did Linnaeus classify plants?
He classified plants according to the arrangement of the male and female organs in the flowers.
3 What relationship between Linnaeus and Joseph Banks?
Joseph Banks is the friend of Linnaeus’s student Daniel Solander’s.
4 When did the expedition to Tahiti start?
In 1768.
5 What were the goals of James Cook’s first voyage around the world?
There are three goals. Page31, Paragraph 4.
6 Why did Joseph Banks have to supply his own money to equip part of the expedition?
Because he wanted to do some researches that the British government didn’t pay for it.
Introduce some words and phrases.
botany 植物学classify分类，归类 herb草本植物 unique独一无二的，独特的 conquer征服 privilege特权 cosy安逸的 appetite欲望，爱好 despite尽管 expedition远征，探险 expenses 经费undertake 从事enterprise事业 accumulate 积累abandon 遗弃breakthrough突破
based on 以――为依据的at first sight乍一看（之下） search for寻找 on a large scale大规模地 be involved in被牵连进去――；陷入――
Page32 Language study exercise 2
Keys(1)group (2)female (3)Herbs (4)was appointed (5)botanical (6)was abandoned (7)globe (8)Oceania (9)enterprises (10)expense.

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