下面是秦汉至明清水旱等自然灾害发生次数及其频率一览表。据此可以推知（    ）

    “What is the most important part of your body?” My mother asked me a question one day. “Sound is very important to us, so it's my 1 , Mommy.” I answered.

    She said, “No. Many people 2 deaf(耳聋的), but they can live by themselves and even work. You can think 3 it and I will ask you again.”

    My  grandfather  died  last  year.  When  everyone  was  crying  to 4 goodbye  to  him,  my  mom  asked  me the 5again.

    I didn't understand her, so I asked her, “It is a game 6 you and me?” She looked into my eyes and told me, “You know, it shows how you live 7 life.” She said with tears, “My dear, the most important body part is your shoulder(肩膀).”

    I asked, “Is it because it holds up my 8 ?”

    She replied, “No, it is because it 9 hold the head of a friend or loved one. 10needs a shoulder to cry on.”

关于家庭电路，下列说法中正确的是（  ）

读课文 《藤野先生》，说出文中所记叙的藤野先生与“我”交往的四件具体事例及其含意。

①第一件事是：____，表现了____。

②第二件事是：____，表现了____。

③第三件事是：____，表现了____。

④第四件事是：____，表现了____。