Å£½òСѧӢÓï4BµÚ¶þµ¥Ôª½Ì°¸

Å£½òСѧӢÓï4B¡·µÚ¶þµ¥Ôª½Ì°¸

ÑγÇСѧӢÓï×é

Unit 2 At a party£¨µÚÒ»¿Îʱ£©

Ò»¡¢½ÌѧÄÚÈÝ

¡¶¾ÅÄêÒåÎñ½ÌÓýÁùÄêÖÆÐ¡Ñ§½Ì¿ÆÊ顤ţ½òСѧӢÓï¡·4BµÚ¶þµ¥ÔªµÚÒ»¿Îʱ£¨Look read and learn£¬Ask and answer£© ¶þ¡¢½ÌѧĿ±ê

1¡¢ÄÜÕýÈ·µØÌý¡¢Ëµ¡¢¶ÁºÍдµ¥´Êgrandfather, grandmother, father, mother, brother, sister, an eye, a head, an ear, a nose, a mouth, hair£»

2¡¢ÄÜÕýÈ·µØÌý¡¢Ëµ¡¢¶ÁºÍд¾äÐÍWho?s the¡­with¡­?He?s/She?s (my)¡­£» 3¡¢Äܸù¾ÝÈËÎïµÄÍâÃ²ÌØÕ÷ºÍ´©×Å´ò°çÀ´ÈÏʶÈË, ÅàÑøÑ§Éúʵ¼ÊÔËÓÃÓ¢Óï½øÐн»Á÷µÄÄÜÁ¦ºÍÀÖÓÚÓÚÈ˽»Á÷¡¢ºÏ×÷µÄ¸öÐÔ¡£ Èý¡¢½ÌÑ§ÖØµã

1¡¢ÄÜÕýÈ·µØÌý¡¢Ëµ¡¢¶ÁºÍдµ¥´Êgrandfather, grandmother, father, mother, brother, sister, an eye, a head, an ear, a nose, a mouth, hair£»

2¡¢ÄÜÕýÈ·µØÌý¡¢Ëµ¡¢¶ÁºÍд¾äÐÍWho?s the¡­with¡­?He?s/She?s (my)¡­¡£ ËÄ¡¢½ÌѧÄѵã

Äܸù¾ÝÈËÎïµÄÍâÃ²ÌØÕ÷ºÍ´©×Å´ò°çÀ´ÈÏʶÈË£¬²¢Ñ§»áÍâÃ²ÌØÕ÷Óýé´Êwith£¬´©×Å´ò°çÓýé´Êin¡£ Îå¡¢¿Îǰ׼±¸

1¡¢½Ì¾ß×¼±¸£ºµ¥´ÊͼƬ¼°µ¥´Ê¿¨Æ¬£¬ÈËÎïͼƬ£¬Â¼Òô»ú¡¢´Å´øºÍʵÎïͶӰ£» 2¡¢Ñ§Éú×¼±¸£º×Ô¼ºÓ×ʱµÄÕÕÆ¬¼°¼ÒÍ¥ÕÕÆ¬¡£ Áù¡¢½Ìѧ¹ý³Ì

Step 1 £ºRevision

1¡¢Sing a song.¡¶Who?s that girl?¡· 2¡¢Free talk

T : What can you see in the classroom? Who can you see in the classroom? Who?s the girl(in a¡­)? Who?s that boy(with ¡­)? Step 2 £ºPresentation

1¡¢Teach: Who?s the ¡­with ¡­? He?s/She?s ¡­ (1) ÓÉFree talkÒý³ö¾äÐÍ (2) Teach: with£¬Ñ§Éú¸ú¶Á¡£

(3) Teach: Who?s the ¡­with ¡­? He?s/She?s ¡­

a¡¢½ÌʦÀûÓÃHelenµÄͼƬÌáÎÊ¡°Who?s the girl with yellow hair?¡±Ñ§Éú»Ø´ð¡° She?s Helen.¡± b¡¢½Ìʦ°åÊé¾äÐÍ:Who?s the ¡­with ¡­? He?s/She?s ¡­ (4) Drill(ÀûÓýÌÊÒÄÚÈËÎï½øÐм¯ÌåÎÊ´ðÁ·Ï°)

2¡¢Teach: grandfather, grandmother, father, mother, brother, sister

(1)½Ìʦ³öʾ×Ô¼ºÒ¯Ò¯µÄÕÕÆ¬£¬ÌáÎÊ¡±Who?s the man with white hair?¡±£¬ÔÚѧÉú²Â²âºó½Ìʦ»Ø´ð¡±He?s my grandfather. He?s a teacher.¡±¡£ (2)Teach: grandfather

(3)½Ìʦ³öʾ¼¸ÕÅѧÉúÒ¯Ò¯µÄÕÕÆ¬£¬ÓÃËùѧ¾äÐÍ¡± Who?s the ¡­with ¡­? He?s¡­¡±½øÐв²âÎÊ´ð¡£ (4)½Ìʦ³öʾѧÉú¼ÒÈ˵ÄÕÕÆ¬£¬Í¨¹ý²Â²âÎÊ´ð½Ìѧ¡±grandmother, father, mother, brother, sister¡±.

(5)ѧÉú»¥ÏàÎʴ𹮹̵¥´ÊµÄʶ¼Ç

3¡¢Teach: head, a nose, a mouth, an ear

(1)T : Who?s the boy?£¨½Ìʦ³öʾÁ½ÕÅÄÐÉúµÄÕÕÆ¬£¬Ò»¸öÍ·´ó£¬Ò»¸öͷСµã£© S1: Which one£¿

T : The one with big head. S1: He?s ¡­

(2)Teach: head (½Ìʦ±ßÖ¸×Ô¼ºµÄÍ·±ß˵) a¡¢³öʾÒô±ê´Ê´øÁìѧÉú¶ÁÒô±ê£» b¡¢¸ú¶Á¡¢Æë¶Á¡¢¸ö±ð¶Á£»

c¡¢À©Õ¹´Ê×飺big head£¬small head

(3)T: I have a big head, I have black hair and small eyes, I have big nose .(½Ìʦָ×Ô¼ºµÄÉíÌ岿λ½øÐнéÉÜ) (4)Teach: a nose

(5)ͬ·¨½Ìa mouth, an ear

4¡¢Say a rhyme£¨ÉíÌ岿λ¸è£©

5¡¢Drill(ÀûÓýÌÊÒÄÚÈËÎï½øÐÐÎÊ´ðÁ·Ï°) a¡¢½ÌʦÎÊ£¬Ñ§Éú»Ø´ð£»

b¡¢ÈÃÒ»ÃûѧÉúÌáÎÊ£¬ÆäÓàѧÉú»Ø´ð¡£ Step 3 £ºAsk and answer

1¡¢½Ìʦ³öʾAsk and answerµÄµÚÒ»·ùͼ£¬Ê¦Éúʾ·¶Îʴ𣻠2¡¢½Ìʦ³öʾÆäÓàÈý·ùͼÁ½Á½×ÔÓÉÎÊ´ð¡£ Step 4 £ºConsolidation

1¡¢½ÌʦÀûÓðåÊéÒýµ¼Ñ§ÉúС½á±¾¿ÎËùѧµÄµ¥´ÊºÍ¾äÐÍ£» 2¡¢Play a game£º

(½ÌʦÀûÓÃʵÎïͶӰ³öʾ¶­ºÆ£¬¾ÕƼ£¬·ë¹®µÈÈËÎïͼƬ£¬Í¨¹ýÌáÎÊÈÃѧÉú²Â²ÂÊÇË­) T : Who?s the man? S : Which one?

T : The one in the white vest. S1: He?s Dong Hao.

??(ÏȽÌʦÏòѧÉúÌáÎÊ£¬ÔÙÓÉÒ»ÃûѧÉúÏòÆäÓàѧÉúÌáÎÊ) 3¡¢³öʾһÕŽÌʦ×Ô¼ºÐ¡Ê±ºîµÄÈ«¼ÒÕÕ

(1)T: Whose family photo?£¨ÈÃѧÉú²Â²â£©

(2)The man in a green jacket is my father, the woman with small mouth is my mother, the man with white hair is my grandfather, the woman with long hair is my aunt, the boy in a yellow sweater is my brother.(½ÌʦָÕÕÆ¬ÖеÄÈËÎï½øÐнéÉÜ) (3)½ÌʦÈÃѧÉúͬ×ÀÖ®¼äÏ໥½éÉÜ×Ô¼ºµÄ¼ÒÍ¥ÕÕÆ¬£» (4)ÈÃѧÉú½éÉÜ×Ô¼ºµÄ¼ÒÍ¥ÕÕÆ¬¡£ 4¡¢Wb. C Listen, choose and write D Look, think and write Step 5 £ºHomework 1¡¢³­Ð´±¾¿Îµ¥´Ê£»

2¡¢Óñ¾¿ÎËùѧ¾äÐͱàÑݶԻ°¡£

µÚ¶þ¿Îʱ Ò»¡¢½ÌѧÄÚÈÝ

¡¶¾ÅÄêÒåÎñ½ÌÓýÁùÄêÖÆÐ¡Ñ§½Ì¿ÆÊ顤ţ½òСѧӢÓï¡·4BµÚ¶þµ¥ÔªµÚ¶þ¿Îʱ£¨Read and say, look and say, Fun house 3£© ¶þ¡¢½ÌѧĿ±ê

1¡¢ÄÜÕýÈ·µØÌý¡¢Ëµ¡¢¶ÁºÍдµ¥´Êwhite;

2¡¢ÄÜÕýÈ·µØÌý¡¢Ëµ¡¢¶ÁºÍд¾äÐÍIs that ¡­your ¡­? Which one? The one in the¡­; 3¡¢ÄÜÕýÈ·µØÌý¡¢ËµºÍ¶ÁÈÕ³£½»¼ÊÓÃÓïNice to meet you;

4¡¢ÄÜÓбíÇéÓнÚ×àµØÀʶÁ¸èÒ¥My brother, ͨ¹ýÀʶÁ¼¤·¢Ñ§Ï°Ó¢ÓïµÄÐËȤ¡£ 5¡¢ÄÜÕýÈ·Àí½âºÍÕÆÎÕ¶Ô»°ÄÚÈÝ£¬²¢ÄÜÓÃÕýÈ·µÄÓïÒô¡¢Óïµ÷ÀʶÁ²¢±íÑݶԻ°£»

6¡¢ÄÜÔËÓÃËùѧ¾äÐͱàÑݶԻ°£¬Í¨¹ýºÏ×÷±íÑÝÅàÑøÍŽáЭ×÷µÄ¾«Éñ£¬Ôö½øÊ¦Éú¼äµÄÇé¸Ð½»Á÷¡£ Èý¡¢½ÌÑ§ÖØµã

1¡¢ÄÜÕýÈ·µØÌý¡¢Ëµ¡¢¶ÁºÍдµ¥´Êwhite;

2¡¢ÄÜÕýÈ·µØÌý¡¢Ëµ¡¢¶ÁºÍд¾äÐÍIs that ¡­your ¡­? Which one? The one in the¡­; 3¡¢ÄÜÕýÈ·Àí½âºÍÕÆÎÕ¶Ô»°ÄÚÈÝ£¬²¢ÄÜÓÃÕýÈ·µÄÓïÒôÓïµ÷ÀʶÁ¶Ô»°¡£ ËÄ¡¢½ÌѧÄѵã

ÄܱȽÏÁ÷³©µØÀʶÁ¶Ô»°£¬²¢ÄÜÔÚÕÆÎÕ¶Ô»°ÄÚÈݵĻù´¡ÉϽøÐжԻ°±àÑÝ¡£ Îå¡¢¿Îǰ׼±¸

1¡¢½Ì¾ß×¼±¸£ºµ¥´ÊͼƬ¼°µ¥´Ê¿¨Æ¬£¬ÈËÎïͼƬ£¬¿ÎÎĹÒͼ¡¢Â¼Òô»ú¡¢´Å´ø¡¢¿ÎÎĶԻ°µÄVCD¡¢ÊµÎïͶӰ£»

2¡¢Ñ§Éú×¼±¸£º×Ô¼ºÓ×ʱµÄÕÕÆ¬¼°¼ÒÍ¥ÕÕÆ¬¡£ Áù¡¢½Ìѧ¹ý³Ì

Step 1£º Revision

1¡¢Sing a song.¡¶Who?s that girl?¡· 2¡¢Free talk

(1)T: Who?s the ¡­ with/in ¡­? S: He?s/she?s ¡­ (2)T: Who?s the ¡­? S: Which one?

T: The one in/with ¡­ S: He?s/She?s ¡­

(ʦÉú¸ö±ðÎÊ´ð£¬Ñ§ÉúÎʽÌʦ£¬Á½Á½ÎÊ´ð) 3¡¢ÈÃѧÉú½éÉÜ×Ô¼º¼ÒÍ¥ÕÕÆ¬ Step 2 Presentation

1¡¢Teach: Is that ¡­your ¡­? Which one? The one in the¡­

(1) T: Is that girl Helen?(½Ìʦ³öʾHelenºÍWang YingµÄͼƬ) S: Which one?

T: The one with yellow hair. S: Yes, she is.

(2)½Ìʦ³öʾ¼¸×éÈËÎïµÄͼƬ½øÐÐÎÊ´ðÁ·Ï° £¨½ÌʦÎÊѧÉú£¬Ñ§ÉúÎʽÌʦ£¬Ñ§ÉúÁ½Á½Á·Ï°£©

(3)½Ìʦ³öʾһÕÅѧÉúµÄ¼ÒÍ¥ÕÕÆ¬£¨ÓÐÁ½ÃûÄÐÊ¿£© T: Is that man your father? S: Which one?

T: The one in the blue shirt. S: Yes, he is.

(°åÊ飺Is that ¡­ your ¡­? Which one? The one with /in the¡­ Yes, he/she is./No, he/she isn?t.)

2¡¢Look and say

£¨½Ìʦ³öʾ¿ÎÎÄÖÐLook and sayµÄͼƬ½øÐÐÎÊ´ðÁ·Ï°£¬ÏÈʦÉúʾ·¶£¬ÔÙͬ×À»¥Á·£© Step 3£º Read and say

1¡¢T: Who?s the boy?(³öʾBenµÄͼƬ)

S: He?s Ben.

T: There is a party in Ben?s home. Let?s go and have a look. 2¡¢Watch TV.(²¥·ÅÁ½±é) 3¡¢Answer the questions:

(1)Who?s the boy with big eyes?

(2)Who?s the girl in the white dress?

4¡¢T: What are they saying?(³öʾµÚÒ»·ùͼ) Listen and repeat.

5¡¢³öʾµÚ¶þ·ùͼ£¬ÏÈÈÃѧÉú¸´ÊöÄÚÈÝ Listen and repeat.

6¡¢³öʾµÚÈý·ùͼ£¬Ìý¼Òô²¢¸´Êö¡£ 7¡¢³öʾµÚËÄ·ùͼ£¬Ìý¼Òô²¢¸´Êö¡£ 8¡¢Read in pairs. 9¡¢·Ö½ÇÉ«ÀʶÁ¡£ 10¡¢·Ö½ÇÉ«¸´Êö¡£

Step 4 £ºSay a rhyme

1¡¢Show a picture(Joe×øÔÚÒÎ×ÓÉÏ£¬David×øÔÚСÆû³µÉϵÄͼƬ) T : Who?s that boy? S : Which one?

T : The one sitting on the chair. S : He is Joe.

T : Let?s go and say ?hello?. 2¡¢Listen to the tape. 3¡¢¸ú¼Òô±ß´òÅÄ×Ó±ß˵¡£

4¡¢½ÌʦÀûÓÃͼƬ»ò½ÌÊÒÀïµÄÈËÎï½øÐÐÌæ»»Ëµ³ª¡£ Step 5£º Consolidation

1¡¢Play a game: Guessing Game T : Who?s my friend?

S1 : Is that boy your friend? T : Which one?

S1: The one in the black coat. T : Yes, he is.

(ÏÈʦÉúʾ·¶£¬ÔÚËÄÈËÒ»×éÁ·Ï°²¢±íÑÝ)

2¡¢½Ìʦ³öʾһÕÅѧÉúµÄ¼ÒÍ¥ÕÕÆ¬£¬ÌáÎÊ¡° Whose family photo£¿¡±£¬ÔÚѧÉú²Â¶Ôºó£¬ºÍÕâһѧÉúÓÃËùѧ¾äÐͱàÑÝÒ»¶ÎС¶Ô»°¡£ 3¡¢Practise in groups. 4¡¢Act it out.

5¡¢½ÌʦÒýµ¼Ð¡½á±¾¿ÎËùѧ¡£

6¡¢Wb. A Listen, find and circle B Listen and colour Step 6£º Homework

1¡¢Ìý¼Òô£¬ÀʶÁºÍ±íÑݶԻ°£»

2¡¢ºÍͬ°éÎ§ÈÆ±¾¿ÎµÄ¾äÐͱàÑݶԻ°¡£

µÚÈý¿Îʱ Ò»¡¢½ÌѧÄÚÈÝ

¡¶¾ÅÄêÒåÎñ½ÌÓýÁùÄêÖÆÐ¡Ñ§½Ì¿ÆÊ顤ţ½òСѧӢÓï¡·4BµÚ¶þµ¥ÔªµÚÈý¿Îʱ£¨Read and act, Fun house 1,2£© ¶þ¡¢½ÌѧĿ±ê

1¡¢¸´Ï°±¾µ¥ÔªËùѧϰµÄ¼ÒÍ¥³ÉÔ±ºÍÉíÌ岿λµÄµ¥´Ê£»

2¡¢ÄÜÌý¡¢Ëµ¡¢¶ÁÈÕ³£½»¼ÊÓÃÓïWe?re late for the party. Let?s hurry! 3¡¢Á˽⸨Òô×Öĸ×éºÏckÔÚµ¥´ÊÖеĶÁÒô£»

4¡¢ÄܱȽÏÊìÁ·µØÔÚÇé¾°ÖÐÔËÓñ¾µ¥ÔªËùѧµÄ¾äÐͺÍÈÕ³£½»¼ÊÓÃÓ²¢ÄÜÎ§ÈÆ¡°ÈÏÈË¡±ÕâÒ»Ö÷Ìâ±àÑݶԻ°¡£

Èý¡¢½ÌÑ§ÖØµã¡¢Äѵã

½øÒ»²½ÕÆÎÕºÍÔËÓñ¾µ¥ÔªµÄ¾äÐÍ£¬²¢ÄÜÎ§ÈÆ¡°ÈÏÈË¡±ÕâÒ»Ö÷Ìâ±àÑݶԻ°¡£ ËÄ¡¢¿Îǰ׼±¸

1¡¢½Ì¾ß×¼±¸£ºÈËÎïͼƬ£¬Â¼Òô»ú¡¢´Å´øºÍʵÎïͶӰ£» 2¡¢Ñ§Éú×¼±¸£º¼ÒÍ¥ÕÕÆ¬ Îå¡¢½Ìѧ¹ý³Ì£º

Step 1 £ºRevision

1¡¢Ìý¸èÒ¥¡¶My brother¡·. 2¡¢Free talk.

3¡¢Play a game: Who?s the boy/girl?

(¼ÇÒäÓÎÏ·£º½ÌʦÈÃѧÉú¸ù¾Ý½ÌʦµÄÌáʾ²ÂÈË) T : Who?s the boy? S : Which one?

T : The one in the with black coat. S : Which one?

T : The one with big eyes, small mouth. S1: I know, he is ¡Á¡Á.

(ÏȽÌʦÌáʾÈÃѧÉú²Â²â£¬ÔÙѧÉúÌáʾѧÉú²Â²â) 4¡¢Ask and answer:

(½Ìʦ³öʾѧÉúµÄ¼ÒÍ¥ÕÕÆ¬£¬ÓëѧÉúÓá°Is that ¡­your ¡­? Which one? The one in/with ¡­¡± ½øÐжԻ°£¬ÔÙÈÃѧÉúС×éÁ·Ï°²¢ÎÊ´ð) Step 2£º Read and act

1¡¢Teach: We?re late for¡­ Let?s hurry.

(1)T : What?s this in the box?(½Ìʦ°ÑÒ»¸öÖÓÓúÐ×Ó×°ÆðÀ´) S1: It?s a ¡­, I think. T : What?s the time? S1: It?s eight o?clock.

T : We?re late for the school.£¨½Ìʦ×ö³öºÜ׿±µÄ±íÇ飩 S1: Yes.

T : Let?s hurry.£¨½Ìʦ×ö³ö´ÒæµÄ¶¯×÷£© (2)Teach and explain: we?re late for¡­ Let?s hurry.

(3)Drill: A: What?s the time? B: It?s ¡­ We?re late for ¡­ A: Yes. Let?s hurry.

(ÏÈʦÉúʾ·¶£¬ÔÙͬ×À»¥Á·²¢±íÑÝ) 2¡¢½Ìʦ³öʾRead and actµÄ¹Òͼ

T: Who?s the girl? Who?s the boy? Who?s the woman? 3¡¢Listen to the tape, answer the questions:

(1)What?s the time? (2)Where?s David?

4¡¢Read after the tape. 5¡¢·Ö½ÇÉ«ÀʶÁ¡£ 6¡¢·Ö½ÇÉ«±íÑÝ¡£

7¡¢½Ìʦ´´Éè¡°At a party¡±µÄÇé¾°ºÍѧÉú±àÑÝÒ»¶Î¶Ô»°¡£ 8¡¢Practise in groups. 9¡¢Act it out.

Step 3 £ºListen and repeat

1¡¢T: Now, let?s look at this picture. (´ò¿ªÍ¶Ó°ÒÇ£¬³öʾ²åͼ¼°Ëĸöµ¥´Êblack, clock, jacket, sock)

ѧÉúÌý¼Òô£¬²¢¸ú˵ÕâËĸöµ¥´Ê¡£ÔÚ˵µÄ¹ý³ÌÖÐÈÃËûÃÇÌå»á×Öĸ×éºÏckÔÚµ¥´ÊÖеķ¢Òô¡£ 2¡¢ÈÃѧÉú±ß¿´Í¼±ßÌý¾ä×Ó¡±His sock, jacket and clock are black.¡±£¬²¢Àí½â¾ä×ÓµÄÒâ˼£¬×îºó¸ú¼Òô¶Á¾ä×Ó£¬²¢×¢ÒâÓïµ÷ºÍ½Ú×à¡£

Step 4£º Look and read

1¡¢ÒªÇóѧÉú×Ðϸ¿´Í¼¡¢Ä¬¶Á¾ä×Ó£¬Àí½â¶Ô»°µÄÓÄĬ֮´¦¡£ 2¡¢ÇëѧÉú·Ö½ÇÉ«ÀʶÁ¶Ô»°¡£ Step 5£º Draw and ask

1¡¢T: Let?s play a game. OK? Guess. My father?s father, I ask him¡±____\brother, I ask her¡±____¡±. ¡­¡­

½Ìʦ½âÊÍgrandfatherÖ¸father?s father£¨Ò¯Ò¯£©»òmother?s father£¨Í⹫£©£»grandmotherÖ¸father?s mother£¨ÄÌÄÌ£©»òmother?s mother£¨ÍâÆÅ£©£»uncleÖ¸father?s brother£¨²®¸¸¡¢ÊåÊ壩»òmother?s brother£¨¾Ë¾Ë£©£»auntÖ¸father?s sister£¨¹Ã¹Ã£©»òmother?s sister£¨ÒÌÂ裩µÈ¡£

2¡¢½Ìʦ³öʾLi AnµÄ¼ÒÍ¥ÈËÎï¹ØÏµÍ¼£¬Ö¸Li AnÎÊ : Who?s the boy? He?s father?s father. Who?s he?

Òýµ¼Ñ§ÉúÀí½âLi An?s father?s fatherΪʲôÊÇ Li Lin£¬¶ø²»ÊÇ Wu Wei¡£ 3¡¢T : She?s Li An?s mother. Who?s she? S1:She?s Ma Fen.

T : Sorry, you?re wrong. Ma fen is Li An?s father?s mother. S1: She?s Dai Lu. T : You?re right.

£¨ÏȽÌʦÏò¸ö±ðѧÉúÌáÎÊ£¬ÔÙÇëÒ»ÃûѧÉúÏòÆäÓàѧÉúÌáÎÊ£© 4¡¢ÇëѧÉú»­³ö×Ô¼ºµÄ¼ÒÍ¥³ÉÔ±£¬È»ºóÓëͬѧ½øÐÐÌÖÂÛ¡£ Step 6£º Homework

1¡¢³­Ð´±¾µ¥ÔªËùѧµÄµ¥´ÊºÍ¾äÐÍ£¬²¢ÄÜĬд£» 2¡¢Î§ÈÆ¡°At a party¡±ºÍͬ°é¼ÌÐø±àÑݶԻ°¡£

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ìæ»»Îª@) ËÕICP±¸20003344ºÅ-4