人教版英语九年级上册 Unit 1 第2课时(A 3a-4c) PPT精品课件+教案+导学案

类别

学习重点

重点单词

repeat,expression,discover,secret,grammar,note，physics,chemistry

重点短语

be afraid to,look up

重点句式

1.But I was afraid to ask questions because of my poor pronunciation.

2.I discovered that listening to something interesting is the secret to language learning.

写一写

1.表情 expression       2.发现discover

3.秘密 secret           4.语法 grammar

5.重复repeat             6.笔记note

译一译

1.不敢做某事be afraid to do sth.

2.因为because of

3.查字典 look up…in the dictionary

4.爱上 fall in love with

背一背

1.老师说那么快，以至于我大多数时间听不懂。

The teacher spoke so quickly that I didn’t understand her most of the time.

2.因为我发音差，所以我不敢问问题。

I was afraid to ask questions because of my poor pronunciation.

3.我也意识到我能仅通过听关键词来听懂意思。

I also realized I could get the meaning by listening for just the key words.

新课导入

T:How do you learn English?

Ss:I learn by listening to tapes/studying with a group/…

新课展示

【完成教材3a~4c的教学任务】

1.3a通过阅读文章回答问题。

2.3b再次阅读文章，用新单词或短语将句子补充完整。

3.4a为4a中的问句选择合适的答语，并用其练习对话。

4.4b用4b中所给出的单词及“do sth.by doing”的结构造句。

5.4c在你学习英语的做法上打“√”。然后采访你的同伴。

【语法提要】

1.afraid

afraid作形容词，意为“害怕的; 担心的”。常构成：be afraid to do sth.意为“害怕去做某事”。如：

I’m afraid to travel by plane.我害怕乘飞机旅行。

Are you afraid to stay at home alone?你害怕一个人待在家里吗？

拓展:(1)be afraid of doing sth.害怕做某事。如：

I’m afraid of going out alone at night.我害怕夜晚独自外出。

(2)be afraid of sb./sth.害怕某人/某物。如：

Are you afraid of snakes?你怕蛇吗？

2.expression

expression作可数名词，意为“表情；表示；表达”，复数形式为expressions。如：

He always shows a happy expression.他总是露出快乐的表情。

3.discover

discover作动词，意为“发现；碰见；撞见；获得知识”。如：

She discovered that they’d escaped.她发现他们已经逃跑了。

The scientists are trying to discover a cure for AIDS.科学家们在努力寻找治疗艾滋病的方法。

辨析：invent 与discover

（1）discover指“发现”某种本来存在，而以前未被发现的事物或未为人所知的东西。如：

I discovered (that) she was a good cook.我发现她是个烹饪好手/她很会烧菜。

（2）invent指“发明”，即原来没有而后来发明创造的东西。如：

Edison didn’t discover electricity,but invented the light bulb.爱迪生不是发现了电，而是发明了灯泡。

【问题探究】

1.—Are you  B  the dark?

—Oh,yes.I always go to sleep with the light on.

A.used to    B.afraid of

C.interested in          D.good with

2.The expression on her face shows that she is angry now.

3.Electric light was invented (invent) by Thomas Edison and America was discovered (discover) by Columbus.

4.—  B  do you go home every day?

—By bike.It’s not far from here.

A.What    B.How   C.When    D.Where

(A)1.She     that she might lose her job.

A.was afraid  B.is afraid of

C.afraid    D.were afraid

(C)2.(浙江舟山中考）You’d better read the        first before you use the camera.

A.websites    B.expressions

C.instructions    D.advertisements

(A)3.It was a shock to       the truth about his sordid（丑恶的） past.

A.discover    B.invent   C.find

本课时通过说的活动以及学生的自主学习和小组合作，用知识目标中的句型对各种学习方法进行了探讨，并且能够运用重点句子根据提示讨论如何学习英语，同时学生们还根据Grammar Focus总结了Section A的重点句型，起到了很好的效果。

教学过程中老师的疑问：

教师点评和总结：