最新七年级短距离跑——蹲踞式起跑教案[
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七年级短距离跑——蹲踞式起跑教案
教学过程教学内容时间组织形式
基本部分
结束部分三.学习蹲踞式起跑及其起跑后的加
速跑
1.动作要领:短跑的起跑采用蹲踞
式起跑动作,包括“各就位”、“预
备”、“跑”或(鸣枪)三个环节。
蹲踞式起跑的方法:
当听到“各就位”的口令后,双
手扶地两手虎口向前与肩同宽撑于
起跑线后。后膝跪地,前脚尖距起
跑线一脚半,后脚脚尖距前脚脚心
一脚半,两脚相距约15厘米;听到
预备的口令后,臀部慢慢抬起,并
稍高于肩,身体重心前移,两肩轴
线略过起跑线;听到“跑”或(鸣
枪)的口令时,双手迅速推离地面,
双脚用力蹬地,上体保持前倾,加
速前进,
动作要点:起跑反应快,起跑时各
环节的联接协调,后蹬有力。
2.学习各种姿势的起跑练习
1.面向跑的方向,做高抬腿,听到哨
音,迅速起跑。
2.背对起跑方向,原地起跳练习,听
到哨音后,迅速起跑。
3.正、背面原地蹲起,听到哨音后迅
速起跑
四.结束
1.放松活动
2.体委整队
3.课后讲评
4.下课师生再见
28分
3分
三.组织形式
1
××○○
××○○
××○○
××○○
××○○
△
教法:
1).介绍蹲踞式起跑的意义及与站立式起
跑的区别;
2).分组练习站立式起跑,使学生直观的
了解;
各就位预备跑
3).教师讲解示范蹲踞式起跑的动作与口
令。
4).学生听口令,模仿蹲踞式起跑的动作。
5).分组做起跑的分解动作
6).教师巡查示范指导纠正错误动作
2.组织形式×××
△×××
1).教法:教师讲解示范动作,学生模仿
练习,教师巡查指导。
2).快速起动与加速跑练习
(1)不同姿势听信号起跑
(2)加速跑练习,看谁先到终点
3).教师巡查指导纠正错误动作
四.组织
××××××
××××××
1 I’ve just eat en it. 我刚才把它吃光了。
just可用于完成时态中,置于动词与助动词之间,意为“刚刚”
我刚刚做完家庭作业。I’ve just finished my homework.
我刚刚给我的笔友写了一封信。I’ve just written a letter to my pen friend.
just now刚才,相当于a moment ago,用于一般过去时,通常位于句首和句末。
刚才老师进教室了。The teacher entered the classroom just now.
2 You’v e changed, too. You used to be so kind to me. 你也变了。你过去对我那么好。
used to do sth 过去常常做某事(=often did sth in the past)
过去我们常在一起打牌,下象棋。We used to play cards and Chinese chess together.
我妈妈曾经是一位老师。My mother used to be a teacher.
这男孩过去常常放学后打篮球。The boy used to play basketball after school.
它的否定形式有两种:didn’t use to/used not to
used to be 曾经是
练习:
I. 首字母填空
1.My daughter studied very hard in the p .
2.I’m afraid I can’t help you at p.
3.Great changes have taken place in Taizhou s 1949.
4.My father often go to work by u .
5.At the fashion show, people wore clothes from different t .
II. 用所给词的正确形式填空
1.Tom has two (bowl) of rice for lunch.
2.Linda didn’t want(listen)to the music again.
3.We have meals three (time) a day.
4.There (be)some old houses near the park in the past.
5.It is dangerous (play ) with fire.
III. 请从各题后所给的A, B, C, D四个选项中选出最佳答案。
1. I _____ my bowl on the table a few minutes ago, but I can’t find it now.
A. see
B. have seen
C. saw
D. am seeing
2. —Why did you drink my juice? — _______ I was very thirsty.
A. For
B. Because
C. If
D. So
3. The twins are over there. Lucy is playing _____ volleyball. Lily is playing ______ Mimi, her cat.
A. 不填; 不填
B. with; with
C. 不填; with
D. with; 不填
4. He _____ a lot over the years. Now he is polite and kind.
A. changed
B. has changed
C. is changing
D. changes
5. The underground has been in use in the city _____ 2012.
A. since
B. on
C. for
D. at
6. My home isn’t far from school, so I ___ to school every day.
A. drive a car
B. take a bus
C. ride a bike
D. take a plane
7. — ______ is Simon? — He is watering flowers in the garden.
A. What
B. How
C. When
D. Where
8. We can go to Shanghai by _______. It is faster and can save more time.
A. plane
B. train
C. underground
D. coach