Travelling has been popular with people for a long time.Many of today's travellers are trying to find an unusual experie

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• Travelling is popular with people for a long time.Many of today's travellers are trying to find an unusual experience or
• Travelling has been popular with people for a long time.Many of today's travellers are trying to find an unusual experie
• Travelling has been popular with people for a long time.Many of today’s travellers are trying...Travelling has been popular with people for a long time.Many of today’s travellers are trying to find an unusual experience or adventure.Hiking may be a good choice.Instead of spending your vacation on a bus,in a hotel or sitting on the beach,you may want to try hiking.Hiking is a great way to travel.You will get close to nature and take exercise at the sam
• Travelling is popular with people for a long time.Many of today's travellers are trying to find an unusual experience or adventure.Hiking may be a good choice.Instead of spending your vacation on a bus,in a hotel or sitting on the beach,you may want to try to hike.Hiking is a great way to travel.You will get close to nature and take exercise at the same time.Hiking is easy to do and doesn’t have to be very expensive.You can hike close to home or trave
• Travelling has been popular with people for a long time.Many of today's travellers are trying to find an unusual experience or adventure.Hiking may be a good choice.Hiking in the great 的原文.急求之后必有重谢
• Travelling has been popular with people for a long time.Many of today’s travellers are trying...
• 一物体从高处静止开始下落,下落过程不计空气阻力,着地时的速度大小是v,重力加速度值g,求：(1)物体下落的总时间,(2)物体下落的总高度,(3)若要考虑空气阻力,实际下落高度比起(2)问中算出的高度是偏大还是偏小
• 师徒两人加工一批零件，由师傅独做需37小时，徒弟每小时能加工30个零件，现由师徒两人同时加工，完成任务时，徒弟加工的个数是师傅的5/9．这批零件共有个？