1.angle角,  same相同的,  different不同的.  

2.自然拼读: K-k,  k for kite,  k for key,  k for king,  L-l,  l for leg,  l for lion,  l for lamp. 

   练习: ka,  ki,  ko,  la,  li,  lo,  kap,  kin,  kos,  lad,  lit,  log.

3.How many angles does a/an ……. have? 一个……形有多少个角?

   A/An ….. has …… angles. 一个……形有………个角.

   How many angles does a diamond have?

   A diamond has four angles.

   How many angles does a pentagon have?

   A pentagon has five angles.

   How many angles does a triangle have?

   A triangle has three angles.

   How many angles does a rectangle have?

   A rectangle has four angles.

   How many angles does a square have?

   A square has four angles.

   How many angles does a star have?

   A star has five angles.

4.A/An ……… has …….. side and ……. angles. 一个……形有………个边和……..角.

   A diamond has four same sides and four different angles.

   A pentagon has five same sides and five different angles.

   A triangle has three same sides and three same angles.

   A rectangle has two long sides and two short sides and four same angles.

   A square has four same sides and four same angles.

   A star has ten same sides and five same angles.