A:北京某单位的小李清晨起床,观看欧洲足球赛的现场直播节目
B:一年中,学校操场上旗杆影子的长短和方向有季节变化太阳高度的变化
C:冬季昼短夜长,夏季昼长夜短
D:春夏秋冬,周而复始
sea, good, home, about, moon, many, doctor, leave, help, go
In the future,life will be much ____. Maybe there will be vision phones in every ____. People can have a medical examination without a ____ or nurse in the room and do some shopping without ____their homes. And what ____education? There will be ____educational programs on the radio or TV. So many children who live in far-away villages don't need to ____to school every day. They can study at home. Each family has a robot. Robots will ____ people do their housework. Perhaps some people will fly to the ____for a holiday and some people can live under the ____.