These scientists are working hard to make our country _____.A,rich and strongB.to rich and strongC.to be rich and strongD.are rich and strong

These scientists are working hard to make our country _____.A,rich and strongB.to rich and strongC.to be rich and strongD.are rich and strong Are these scientists tried in vain to do these experiments,翻译 many scientists are again becoming excited--- We Are Scientists的《Tonight》 歌词 We Are Scientists的《Dinosaurs》 歌词 We Are Scientists的《Impatience》 歌词 We Are Scientists的《Spoken For》 歌词 We Are Scientists的《Get Off》 歌词 We Are Scientists的《Impatience》 歌词 We Are Scientists的《Dance Off》 歌词 Other scientists are impressed but cautious. Are these your trousers?Yes,these are, these are his shoes.( )are these ()? 英语翻译The Washington Times,in celebration of the Hubble Space Telescope’s second anniversary of exploring the universe,wrote:“NASA scientists say their space telescopes are making a wealth of new astronomical discoveries.These include a bla 英语翻译Still cool after all these yearsAn early invention by Albert Einstein has been rebuilt by scientists at Oxford University.They are trying to develop an environmentally friendly refrigerator that runs without electricity.We all know that m 这道题怎么做（首字母填空）And some animals can even t_______ the difference between Dutch and Japannese,scientists in Spain have discovered.They choso Dutch and Japanese because these languages are very different from each other in their 本人语法差 以下这句话如何理解?scientists believe that these are parts of volcanoes that were formed when molten rock pushed upward through the earth's crust.