北师大版高二英语课件
一、知识部分
1、 重点单词
procedure bunch merely classify promote appetite appoint calculate expense involve settlement accumulate abandon tone reward technician nowhere altogether latter distinguished appearance
2、 重点短语
look out for ,on a large scale, year after year, pass away, name after, in detail, a bunch of, be suitable to, have…in common, belong to, a branch of, classify…into, base…on…, according to, have an appetite for, appoint…as…, lead a cosy life, be involved in, at one’s own expesse, give birth to
3、 重要句型
强调句型
4、 交际用法
speak about procedures
I divide the stage into three parts…
Firstly,…
It is very important in the middle part…
The last part is….
This is the whole case.
5、 语法
宾语
I gave an apple to the old man yesterday.
I appreciate walking along the street with my sweetheart.
6、 能力部分(writing a pocedure)
二、教学过程
period I
Step 1
Warming up
Look at the pictures and match each flower with its correct name.
2.Can you tell something about each flower? Where does it come from?
3.What is it used for?
4.Which flower is your favourite? Explain why.
5.What vocabulary will you need to talk about flowers and plants?
Step 2
Listening(略)
Step 3
Speaking
speak about procedures
I divide the stage into three parts…
Firstly,…
It is very important in the middle part…
The last part is….
This is the whole case.
Step 4
Homework
Period II and Period III
Reading:
Warming up
Look at the pictures and match each flower with its correct name
Which flower is your favorite? Explain why.
Pre-reading
Why was Carl Linnaeus important to the history of botany as a science?
His system of grouping plants in families was unique, which based on the arrangement of the male and female organs in the flowers.
While-reading
Fast reading
How many people are mentioned in the passage?
Carl Linnaeus Daniel Solander Joseph Banks Captain Cook
Careful reading
1. Before Linnaeus botany was ________．D
A．studied by doctors B．unknown to anyone C．fully developed D．a branch of medicine
2. Some economic species plants such as____ could help to develop local economies．C
A．rose and peony B．tea and apple C．cocoa and hemp D．Cocoa and lemon
3. It was ____ who made Kew a centre of scientific and economic research．A
A．Joseph Banks B．Captain Cook C．Linnaeus D． Daniel Solander
4.Paragraph one of the text mainly tells us ___ ．C
A．the importance of botany B．how to classify plant species into groups
C．Linnaeus’contribution to botany D．Linnaeus’discoveries about different
species
5.Captain Cook made ___voyages altogether around the world. C
A．one B．Two C．Three D.four
Post-reading
1. How did scientists classify plants before Linnaeus?
Some scientists classified plants into herbs and trees, or according to the shape of the fruit, or whether they had flowers or not.
2. What were the goals of James Cook’s first voyage around the world?
To study the passing of the planet Venus across the sun; to record, classify and describe all plant and animal life observed during the trip; to search for an unknown southern continent.
3. Why did Joseph Banks have to supply his own money to equip part of the expedition?
Because the government would not pay for such a new field of science as botany.
4. What could be a possible explanation for the name “strawberry”?
When people plant strawberry, they spread straw under the fruit to reduce the necessary amount of watering.
Translate the following phrases into English:
1. 详细地 in detail
2. 处于支配的地位，负责 in charge of
3. 由……负责 in the charge of
4. 任命某人为…… appoint sb. as
5.将……分类成 classify…into…
6. 计算……之间的距离 calculate the distance between…
7. 一代一代传下去 pass on from one generation to the next
8.建于……之上；以……为基础 be based on
9.参与; 陷入 ……的活动 be involved in
10.根据;视……而定；按照 according to
11.搜索；寻找 search for
12.总而言之 altogether
1.match…with （在品质；颜色；设计等方面）相等，相当，相配
2.at the age of 在……岁时
3.look out for 警惕;留心;守侯
4.on a large scale 大规模地;大范围地
5.year after year 年年;年复一年
6.pass away 逝世
7.name…after 给……取名;命名
8.in detail 详细
9.take care of 关心;照顾
10.classify…into 分类;归类
11.develop a lifelong friendship with 与……结存了终生好朋友
12.born into 出生
13.have an appetite for knowledge 有求知欲
14.appoint sb. as… 委派;任命某人为……
15.spread over 传播;流传
16.a great deal of 大量;许多(用于不可数名词)
17.lie in 在于
18.related to 与……有关
19.the key to 关键是(在于)
20.adapt to 适应于
21.be sunken into 堕入
Period IV
Intergrating skills
Teaching Aims：
1. Get the students to grasp the main idea of the text so as to improve their reading ability．
2. Get the students to learn the scientific way for the scientists to do their research work．一the way to think and observe．
3. Get the students to write a description of plants．
Teaching Important Points：
1. How to analyse fin article so as to grasp its main idea．
2. How to write a description according to the information given．
Teaching Difficult Point：
1. How to improve the students’reading ability---how to analyse an article.
Teaching Methods：
1．Pair work or group work to make every student take an active part in the class．