完形填空

    Look at this girl.  1 name is Wang Meimei.  2 is twelve. Wang Ming is her brother. He is3 Class Three，Grade Two. Do you know how old he is? He is fourteen years old. The brother4 sister are in No. 2 Middle School. Their mother5 a teacher. She is an6 teacher. Their father, Mr Wang, is a teacher, 7. He is a Chinese teacher in No. 8 Middle School. Their students all love them because they love their students. They have(有) a cat.8 name is Mimi. 9 a nice cat. The cat and Wang Meimei are 10friends.

下面是部分推理过程，请你将其补充完整：

∵AD⊥BC于D，EG⊥BC于G （已知）

∴∠ADC=∠EGC=90°

∴AD∥EG____．

∴∠1=∠2____．

____ =∠3（两直线平行，同位角相等）

又∵∠E=∠1（已知）

∴∠2=∠3____．

∴AD平分∠BAC____．

某同学进行篮球训练，如图所示，将篮球从同一位置斜向上抛出，其中有两次篮球垂直撞在竖直墙面上，不计空气阻力，则下列说法正确的是（   ）