题目列表(包括答案和解析)
|
1.After Pluto(冥王星) was found in 1930,people took it as the ninth planet in our solar system(太阳系) .But it isn’t like other planets.2.It is smaller and has an strange orbit(轨道).On August 24,scientists said,“Pluto is not a planet.”
About 2500 scientists met in Prague.At first,some of them said that there would be 12 planets in our solar system.In the end,the scientists said that only Mercury,Venus,Edith,Mars,Jupiter,Saturn,Uranus and Neptune are the planets in the solar system.3.Each of these planets its own orbit,and each of the planets is big enough to be a planed.Pluto’s orbit overlaps(交叠)Neptune’s and it is smaller than the other planets.4.So Pluto is classified(分类) as d dwarf (矮行星),but no longer a planet in the solar system.Students at school will have new schoolbooks to learn the new solar system.
将1处改为同义句,每空一词
Before people ______ Pluto in 1930,there were _______planets in our solar system.
2处It所指为___________
根据3处完成下列句子
Every planet not only has its own ______,but also is ______ enough.
将4处翻译成汉语________________
5.Why is Pluto classified as a dwarf,not a planet?
Because ___________________________.
1.Always do your homework before you get too tired. (改为同义句 )
________ you get too tired, you should _______ doing your homework.
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com