4（1）
éèèè·è°·èèé°
èè訤èèè褧é¨é¨è¨·±éè
褷èé··°é騤èééèèè°èé°±°°±èé°è°è·°èèèè餱¨
è°è觤è·èè¤éè鱤鰰±èè·°¤¨èèèé餰±°¨¤
èéèéèè§é°¤é褨éè±è騰èèéèè·è¨°éèèè
è¤è°±è¨é
è褰è°èè¤è¨èé°±·è觷鰱¨é·±è·éèè¤è§é°°°·°é¨èèèèèèè¨èè°èèè°±è
·èèèèè·é±§è
§é·¤è·°±è·
éèèèéèé°±éèé·è§è°±
ééè¨è¨éèéèèè±èè±±é¤èèè°±è
èèéèè·±éè±±è觰°±è·é·èèééé°±éèè±±°±èèé¨è¨é··§
èèèèèé°±¤¤§èéèèè
èèèèè··èééè¤èèèè±°¤¤°±
è±é¨é¨è±èé¤è¨éé·¤§è±é·§èèè°±è褱¨è·
·èèè°±¨è·±èèé§
°¤é¤§éé褰±èèèè觧èéè¤èé
èèèèè褤éèè¨èèè¨é¤±
èèèèé
¤é·èèéè鰰騰°éè
è¤è¤èè°èè°è¤±¤èèèè°
è·°¨·°¤¤°èè¨è§°è¤é餧è¤é¨·éè°±èéèèé°±è
èèè§éè·°è¤
é¤èè°±±¤è°±°±±è§è褨¤±è·¤¤§¤èèèèè±èèè°±··¤èèè
èé°±¤±±èè°±·¤°¨éè¨
¨é觤¤èèè°±±±±éé¨éèé°±èéè訨¨¨
é¨è¨è·è¨è·è¨ééè°°
°±è·é騷±¤°èé¨éè±è§èèè°é¨è¤è¨éè··è±