问题
解答题
甲有120元钱,乙有96元钱.甲每天用15元,乙每天用9元.多少天之后,两人剩下的钱数相等?
答案
设x天后,两人剩下的钱数相等,可得方程:
120-15x=96-9x
6x=24,
x=4.
答:4天后,两人剩下的钱数相等.
甲有120元钱,乙有96元钱.甲每天用15元,乙每天用9元.多少天之后,两人剩下的钱数相等?
设x天后,两人剩下的钱数相等,可得方程:
120-15x=96-9x
6x=24,
x=4.
答:4天后,两人剩下的钱数相等.
完形填空。 |
John Brown, an office worker, lives in Washington. He inherited (继承) $ 1,000,000 when he was 23. He didn't feel 1 at all. His college friends were looking for their first jobs, but he didn't have to. John decided to 2 living a simple life like everyone else. He didn't tell any of his friends and gave his $100,000 of his money to a 3 that helped poor children to live better lives. Today he is 36, he 4 wears cheap shoes and owns a small car only, but he is much happier. Once, John went to meet a little girl in Africa. He said the meeting was very 5 . "When I met her, I felt very, very happy, "he said. "I saw that the money 6 for a very good plan. It brought me 7 to the child in a way that giving money 8 cannot. ""I want to do everything I can," he added. |
( )1. A. rich ( )2. A. stop ( )3. A. hospital ( )4. A. also ( )5. A. exciting ( )6. A. invented ( )7. A. friendly ( )8. A. pretty | B. happy B. have B. family B. still B. relaxing B. was invented B. honest B. alone | C. lucky C. keep C. school C. ever C. boring C. used C. closer C. sure | D. confident D. agree D. charity D. never D. frustrating D. was used D. quieter D. extremely |