When was it invented
第 4 课时 SectionB(3a?Self Check)
【教学目标】
【课堂导学案】
Ste P 1情景导入(3分钟)
Questions :
(1)Who like basketball?
(2)Do you watch basketball games?
(3) How much do you know about this sport?
Step 2 完成教材3a?Self Check教学任务
1.根据3a所给表格列举出的内容提示，想些你不喜欢做的事，然后想一些发明来帮助你，然后和同伴进行交流，写出提要。(3分钟）
2.假设你现在是一名商人，根据3a写的提要以及 3b方框中所给的句型、短语提示写出一篇描述你的新发明的文章，介绍这种新产品并设法卖给你的同学们。学生完成后评出优秀的作文在班上展示。(5分钟）
3.用方框中所给单词的正确形式完成1部分的短文，然后让1位学生朗读短文同时核对答案。（5分钟）
4用被动语态改写句子。让5位学生在黑板上做，同时核对答案。（5分钟）
5.查找更多有关你最想了解的一项发明的信息，然后用所给提示写句子。（4分钟）
Step 3问题探究(4分钟)
（C )1. It’s that the earth is round.
A.believe
B. say
C. believed
D. saying
（ D )2. A number of the students ______ on the
playground now. The number ________
3,000.
A. is；is
B. is;are
C. are;are
D. are;is
（ B )3. The traffic accident stopped me from
_to the station on time.
A. get
B. getting
C. to get
D. got
（ C )4. He dreamed ________ a snake(蛇）.
A. on
B. with
C. of
D. in
根据句意及汉语提示完成句子。
1. These people were divided (分开）into two
groups according to their ages.
2. Look, a few pear remain (保留）on the trees. Let’s pick them.
3. It’s said that the potato chips were invented by
mistake (错误).
4. The hot weather made the milk sour (酸的）.
5. My gandparents often goes shopping with a basket (篮子).
2
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