高中英语选择,The Earth's most critically endangered animals and plants _ very rapidly in theThe Earth's most critically endangered animals and plants _ very rapidly in the last ten years.A.have been disappeaeing B.had disappeared

高中英语选择,The Earth's most critically endangered animals and plants _ very rapidly in theThe Earth's most critically endangered animals and plants _ very rapidly in the last ten years.A.have been disappeaeing B.had disappeared _receives only a small portion of the total amount of the sun's energy 英语选择A.The earth's surface B.The surface earth C.The surface of earth D.The earth surface The earth travels around the s------. 高中英语选择, 高中英语?选择 高中英语选择 we must s( ) the earth首字母填空 高中英语的完成句子-In space the astronauts will have to face the circumstances_on the earth . l’m feeling under the earth 高中英语必修3 unit4 the oceans and seas完整句：the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.the oceans and seas.两次都是不可数,为什么还加S? 英语翻译原文：Mars is the fourth planet from the sun and it's the most like the Earth,but it's much __ than the Earth because it's farther from the Sun.(横线上是让选择填空的,我看不懂句子意思,求帮忙〜） 一道高中英语的单项选择.It's said that the food firm mades eggs illegally( ) man-made materials.A using B to useC used D use Ley's bu friend of the Earth作文 Water _________ about seventy persent of the earth,s surface The Boy's Gone (Live On Earth Version) 歌词 The Earth isn't a star.It's a p______ as throng a pull as the earth's Man must stop _______ the earth’s atmosphere