问题
解答题
甲、乙两车的速度比是5：8，两车同时从A、B两地相对出发，在距中点24千米处相遇．两地相距多少千米？
【提示：相遇时甲、乙两车所行路程比与其速度比相同】．行驶时间相同时，行驶路程比保持不变，与速度比相同．
答案
24×2÷（8-5）×（8+5），
=48÷3×13，
=208（千米）；
答：两地相距208千米．
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甲、乙两车的速度比是5：8，两车同时从A、B两地相对出发，在距中点24千米处相遇．两地相距多少千米？
【提示：相遇时甲、乙两车所行路程比与其速度比相同】．行驶时间相同时，行驶路程比保持不变，与速度比相同．
24×2÷（8-5）×（8+5），
=48÷3×13，
=208（千米）；
答：两地相距208千米．
| 阅读下面的告示牌，选择最佳答案。 | |||
Ⅰ
| |||
| 1. From Sign I we know people _______ in the lake. | |||
| A. can swim B. cannot swim or fish C. can fish | |||
| 2. Where can we see Sign I in China? | |||
| A. On the Great Wall. B. By the West Lake. C. On Mount Emei. | |||
| 3. From SignⅡ,we know the cook (厨师) works _______ hours a week. | |||
| A. 20 B. 26 C. 28 | |||
| 4. From SignⅡ, we know that _______. | |||
| A. people can have breakfast at 5:45 on Monday B. People can have lunch in the restaurant on Saturday C. the restaurant is not open on Sunday | |||
| 5. If you read Sign Ⅲ, you will _______. | |||
| A. go along the road B. stop and stay there C. take another way |
