Earth Day is a reminder__we need to care about the world we live inand__we should learn to respect life and nature.A.that；that B which；which C that；what D which；what为什么选A

what is Earth Day?when is Earth Day? What is the displacement of Earth after a time interval of 365 1/4 day What is the displacement of Earth after a time interval of 365 1/4 day 是什么意思? 怎样将这个句子改为定语从句?急Earth Day is a day to call on people around the world to save our earth. A lundar day lasts about one earth earth hour is a global a solar day is the length of time__the earth to go once around the suntakesit takestakes it A solar day is the length of time it takes the Earth to revolve once arounf the sun, Earth Day is celebrated every year on April 22 The earth turns round one a day翻译 Heaven is a place on earth中文歌词 What is a Friend of the Earth? The Earth is a star对吗? The Earth is a star的意思 The earth is a circle是什么意思 What is Earth Day?A.a day to celebrate peaceB.a day to honor farmingC.a day to celebrate natureD.a day to honor这是另一题：1.Name the smallest continent?2.On which continent is Canada located?3.The world's highest mountain is in Asia.Name this The sun lights half the earth at a time.It is day on the lighted side.这个句子怎么翻译?at a the lighted side里的lighted 英语翻译is always fied to repeat every day alive the earth is always fixed turn the