长方体的认识PPT教学课件
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movement of one’s body using the skills of an acrobat
a very high and loud voice
Task 1:
Listen to an interview about Beijing Opera and answer the following questions.
sheng male roles with brightly painted faces dan female roles jing clown roles chou male roles
1. When did Beijing Opera start? It dates back to the late 18th century.
In order to be heard over the crowds.
3. Why do performers wear brightly coloured costumes?
In order to be seen by the crowds clearly.
history
main roles
2. What skills do Beijing Opera actors need to have? It is a combination of acting, talking, singing,
music, dancing and acrobatics. 3. How many main roles are there in Beijing Opera?
It is a combination of acting, talking, singing, music, dancing and acrobatics.
The costumes are always in bright colour.
costume
date back combination a national treasure a piercing voice acrobatics costume
√ （3）一个长方体,它有两个面是正方形,那么它有四个
面面积相等；（
）
(4)长方体有6个面，12条棱，
8个顶点。
( √)
新课标北师大版课件系列
《高中英语》
必修2
the National Treasure
Beijing Opera
Beijing Opera dates back to the 18th century.
sheng
dan
jing
chou
history
main roles
skill百度文库 needed
Beijing Opera
Task 2:
Listen and use the Strategies to answer the questions.
1.Where was Beijing Opera performed at the beginning?
2. Why does it have very loud music and a piercing singing style?
3. Why do performers wear brightly coloured costumes?
1. Where was Beijing Opera performed at the beginning?
There are four.
4. Match the main roles with their names. sheng male roles dan female roles jing male roles with brightly painted faces chou clown roles
（ 9 ）厘米，宽是（ 3 ）厘米，左边的面长 是（ 3 ）厘米，宽是（ 2.5 ）厘米，相交于 一个顶点的三条棱长和是（ 14.5 ）厘米。
2、 判断。正确的在括号里画“√”，
错误的在括号里画“×”。
× （1）长方体的六个面一定是长方形；（
）
(2)长方体有6个面,每个面有
4条棱,共四六二十四条棱。 ( ×)
It was performed mostly on open-air stages in markets, streets, teahouses or temple courtyards.
2. Why does it have very loud music and a piercing singing style?
长方体的认识
在平面上由几条边围成的图形叫平面图形
叫立体图形
长方体
长方体有6个面，且相对的面大小相等。
长方体有十二条棱，相对的4条棱长度相等。
1、长方体有几个面？面的位置和大小有 什麽关系？
6个，长方形（也可能有两个相对的面是正方形）， 相对的面完全相同。
2、长方体有多少条棱？棱的位置、长短 有什麽关系？
1. When did Beijing Opera start? 2. What skills do Beijing Opera actors need to have? 3. How many main roles are there in Beijing Opera? 4. Match the main roles with their names.
a mixture of two or more things
the clothes worn in plays or films
to have a history of
a group of valuable things,very special or important for the country
12条，相对的四条棱长度相等。
3、长方体有多少个顶点？
8个。
高 宽
长
练习：
1、根据图中数据口答填空：
3厘米
（1）
8厘米
4厘米
图一：长方体的长是
（ 8 ）厘米，宽（ 3 ）厘 米，高是（ 4 ）厘米。12 条棱长的和是（ 60）厘米。
（2）
图二：一个长方体，它的长、宽、高分别 是9厘米，3厘米，2.5厘米。它上面的长是
a very high and loud voice
Task 1:
Listen to an interview about Beijing Opera and answer the following questions.
sheng male roles with brightly painted faces dan female roles jing clown roles chou male roles
1. When did Beijing Opera start? It dates back to the late 18th century.
In order to be heard over the crowds.
3. Why do performers wear brightly coloured costumes?
In order to be seen by the crowds clearly.
history
main roles
2. What skills do Beijing Opera actors need to have? It is a combination of acting, talking, singing,
music, dancing and acrobatics. 3. How many main roles are there in Beijing Opera?
It is a combination of acting, talking, singing, music, dancing and acrobatics.
The costumes are always in bright colour.
costume
date back combination a national treasure a piercing voice acrobatics costume
√ （3）一个长方体,它有两个面是正方形,那么它有四个
面面积相等；（
）
(4)长方体有6个面，12条棱，
8个顶点。
( √)
新课标北师大版课件系列
《高中英语》
必修2
the National Treasure
Beijing Opera
Beijing Opera dates back to the 18th century.
sheng
dan
jing
chou
history
main roles
skill百度文库 needed
Beijing Opera
Task 2:
Listen and use the Strategies to answer the questions.
1.Where was Beijing Opera performed at the beginning?
2. Why does it have very loud music and a piercing singing style?
3. Why do performers wear brightly coloured costumes?
1. Where was Beijing Opera performed at the beginning?
There are four.
4. Match the main roles with their names. sheng male roles dan female roles jing male roles with brightly painted faces chou clown roles
（ 9 ）厘米，宽是（ 3 ）厘米，左边的面长 是（ 3 ）厘米，宽是（ 2.5 ）厘米，相交于 一个顶点的三条棱长和是（ 14.5 ）厘米。
2、 判断。正确的在括号里画“√”，
错误的在括号里画“×”。
× （1）长方体的六个面一定是长方形；（
）
(2)长方体有6个面,每个面有
4条棱,共四六二十四条棱。 ( ×)
It was performed mostly on open-air stages in markets, streets, teahouses or temple courtyards.
2. Why does it have very loud music and a piercing singing style?
长方体的认识
在平面上由几条边围成的图形叫平面图形
叫立体图形
长方体
长方体有6个面，且相对的面大小相等。
长方体有十二条棱，相对的4条棱长度相等。
1、长方体有几个面？面的位置和大小有 什麽关系？
6个，长方形（也可能有两个相对的面是正方形）， 相对的面完全相同。
2、长方体有多少条棱？棱的位置、长短 有什麽关系？
1. When did Beijing Opera start? 2. What skills do Beijing Opera actors need to have? 3. How many main roles are there in Beijing Opera? 4. Match the main roles with their names.
a mixture of two or more things
the clothes worn in plays or films
to have a history of
a group of valuable things,very special or important for the country
12条，相对的四条棱长度相等。
3、长方体有多少个顶点？
8个。
高 宽
长
练习：
1、根据图中数据口答填空：
3厘米
（1）
8厘米
4厘米
图一：长方体的长是
（ 8 ）厘米，宽（ 3 ）厘 米，高是（ 4 ）厘米。12 条棱长的和是（ 60）厘米。
（2）
图二：一个长方体，它的长、宽、高分别 是9厘米，3厘米，2.5厘米。它上面的长是