外研版九年级英语上册《We have celebrate the festival since the first pioneers arrived in America》Public holidays PPT精品课件，共23页。
新课导入
New words
among prep. 在……之中
speech n. 演说；讲演
pioneer n. 开拓者；先驱者
grow v. 种植；栽培（植物）
corn n. 谷物；玉米
新课讲解
Work in pairs. Talk about the picture.
What can you see?
What are they doing?
Read the passage and match the headings with the paragraphs.
a) A special dinner
b) An American festival
c) The history of the festival
d) Things to do during the festival
Language points
1. People make short speeches and give thanks for their food.
give thanks (to sb.) for (doing) sth.
对（某事/某人）做了某事而表示感谢
这里thanks 用作名词，give也可以换成其他动词。
例如：She expressed her thanks to her friends for coming to the party.
2. We have celebrated the festival since the first pioneers from England arrived in America by ship in the seventeenth century.
Since表示“自从……”，常用于现在完成时。
例如：We have been friends since childhood.
3. The following year they celebrated together by eating a dinner of the new food.
by eating a dinner of the new food 在句中作状语，表示以聚餐品尝新食物的方式（来庆祝）。
by doing sth. 以某种行为方式……
当堂小练
一、根据句意及汉语提示完成单词
1.【易错题】They walked ________（在……之中）the crowds in the street.
2. Our headmaster made a long ________（演讲)at the meeting last week.
3. In many ways she became a ________（先驱者）.
4. When we arrived， the meeting was ________（结束的）.
二、单项选择
6. Will you finish the task ________tomorrow？
A. in B. by C. at
7. It usually rains ________at this time of the year.
A. a lot B. lots of C. a lot of D.lot of
8. 【易错题】 You know，computers bring troubles ______.
A. also B. neither C. either D. as well
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