题目

两个假分数相减，差是( )。A. 真分数 B. 假分数 C. 都有可能 答案：【答案】C【解析】略The Vietnam (越南) War broke out. The young husband____the army and died in the war. His wife and son began to have a____life after that. Even though their life was very hard and sometimes they didn’t have enough food to eat, the____still decided to raise her son by herself.Several years later her son immigrated (移民) to America____finally became an engineer. He often sent letters to his mother with much money. However, with many excuses, the son____to come back home to visit his mother.____his mother died, the son returned. But he didn’t cry. His mother left a box behind. During the funeral (葬礼), the son opened the box and____cried and shouted, “Mom! Mom!”____looked at each other and then looked at the box. It was full of $100 bills and a piece of paper.It read, “Son, I don’t spend too much money. I miss you a lot. Every time I heard a motorcycle____, I ran out of the door but it wasn’t you. I saved money____you in case (以防) you get sick.”【1】A. joined B. moved C. found D. sent【2】A. comfortable B. easy C. hard D. happy【3】A. son B. father C. husband D. wife【4】A. but B. and C. so D. or【5】A. refused B. agreed C. asked D. offered【6】A. Before B. When C. While D. As【7】A. slowly B. hardly C. quickly D. suddenly【8】A. Nobody B. Anyone C. Everyone D. Somebody【9】A. passing by B. going away C. showing up D. running off【10】A. with B. on C. to D. for