读下面文字，完成后面题目。
        读《阿长与<山海经>》，我们了解阿长，卑微却让人怀念；读《背影》，我们看到父亲，在人生狼籍时，却用一个蹒跚（      ）的背影诠释父爱如山；读《老王》，我们听到，一个幸运的人对不幸者的愧作；读《台阶》，我们体验到了父亲，圆梦时坐在高台阶上的尴尬（      ）。

完形填空

King Hiero asked a crown-maker to make him a gold crown, 1when the king got the crown, he asked himself, “Is the crown made completely   2  gold?”

  Then the king   3   the crown to Archimedes, the   4   scientist in the kingdom. Archimedes thought about the problem   5    a slave poured some water into a bath for him. Archimedes got in the bath and some water came out of it,   6    the floor.

  “That’s it!” shouted Archimedes. “Some of the water will move out when we put an object in water. The object displaces the water. A big object will displace a lot of water. A small object will displace only a little water.” Archimedes was very  7  .

  Archimedes went to the palace to   8    the crown . It weighed only one kilogram. He put the crown in a pot of water. Five centimeters of water came out. Then he put one kilogram of gold in another pot of water. Three centimeters of water came out. Archimedes said to King Hiero, “Silver made the crown bigger. The crown displaced   9  water so it was not made completely of gold. It was made of both gold and silver.”  

  King Hiero became very   10   when he heard this, and then he sent the crown-maker to prison.