轮船沿江从A港顺流行驶到B港，比从B港返回A港少用3小时，若船速为26千米/时，水速为2千米/时，求A港和B港相距多少千米．设A港和B港相距x千米．根据题意，可列出的方程是

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轮船沿江从A港顺流行驶到B港，比从B港返回A港少用3小时，若船速为26千米/时，水速为2千米/时，求A港和B港相距多少千米．设A港和B港相距x千米．根据题意，可列出的方程是（　　）

A： $\frac{x}{28} = \frac{x}{24} - 3$

B： $\frac{x}{28} = \frac{x}{24} + 3$

C： $\frac{x + 2}{26} = \frac{x - 2}{26} + 3$

D： $\frac{x + 2}{26} = \frac{x - 2}{26} - 3$

上一题下一题 0.0难度选择题更新时间:2018-11-20 04:34:12

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A

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阅读短文，将文中画线的句子译成汉语或英语。

⑴Mom and Dad are the most important people in your life. They have been looking after you since you were born. ⑵你应该一直爱他们。You should also get on well with them. But some children don't know how to do this. Here are some ways to help you. Spend more time with your parents. ⑶Don't spend too much time playing computer games or watching TV. Ask your parents to play with you. ⑷和他们交谈或者散步。 Be kind to your parents. You can make them happy with a smile when you come home. You can send your mother a card on Mother's Day or tell your father a joke on his birthday. ⑸You can also clean your room by yourself. Work hard. If you do your best in your studies, your parents will be proud of you.

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