短文填空。 请用适当的词补充完成下面这篇短文,并将所缺单词填写在指定的位置上。每个空只能填写一个形式正确、意义相符的单词。 Long long ago, there was a wise man 1 William Tell in Switzerland (瑞士). He was 2 as a national hero by the people in his country. At that time, the king of the country treated his people badly. One day, the king thought of a new way to make fun of his people. He put his hat on a tree and 3 every passer-by to bow to it. People had to do this 4 they didn’t dare to s两个数相乘,一个因数除以5,要使积不变,另一个因数应( )。A.不变 B.除以5 C.乘5