How do we know the time? A clock, a watch or a cellphone can help us. However many years ago there were no clocks and knowing the time was not so easy.Over the centuries people have developed different w 1 o f telling the time.About 5,500 years ago, the Egyptians i 2 the sun ...
How do we know the time? A clock, a watch or a cell phone can help us.However many years ago there were no clocks and knowing the time was not so easy.Over the centuries people have developed different w 76_ o f telling the time.About 5,500 years ago, the Egyptians i 77 the ...
How do we know the time? A clock, a watch or a cell phone can help us. However many years ago there were no clocks and knowing the time was not so easy. Over the centuries people have developed different w1.of telling the time. ...
So people were able to know midday. The Egyptians made a sundial about 3, 500 years ago. It was smaller than the sun clock and could let people know the time for half a day. On cloudy days or at night it was impossible to tell the time with a sun clock or a sundial. Water ...
A clock, a watch or a mobile phone can help us. However, many years ago there were no clocks and knowing the time was not so easy. Over the centuries people have developed different ways of telling the time. About 5,500 years ago, the Egyptians invented the sun clock. This was a ...
根据短文内容及首字母提示,填写所缺单词,使短文意思完整。每空限填一词。How do we know the time? A clock, a watc
How do we know the time? A clock, a watch or a cell phone can help us. However, many years ago there were no clocks and knowing the time was not so easy. Over the centuries, people have developed different w _1_ o f telling the time.About 5,500 years ago, the Egyptians i ...
How do we know the time? A clock, a watch or a cell phone can help us. However many years ago there were no clocks and knowing the time was not so easy. Over the centuries people have developed different w【小题1】of telling the time. ...
How do we know the time? A clock, a watch or a mobile phone can help us. However, many years ago there were no clocks and knowing the time was not so easy. Over the centuries people have developed different ways of telling the time. About 5,500 years ago, the Egyptians invented ...
How do we know the time? A clock, a watch or a mobile phone can help us. However, many years ago there were no clocks and knowing the time was not so easy. Over the centuries people have developed different ways of telling the time. ...