many species of animals which once lived on the earth( ) no longer in existence.A.is B.are C.was D.were

many species of…… many kinds of …… 后面的名词用单数形式还是复数形式? In Australia there are over 140 species of snakes,many of __are extremely dangerous.In Australia there are over 140 species of snakes,many of are extremely dangerous.A.them B.that C.which D.those为什么选C？ THE ORIGIN OF SPECIES怎么样 surrounding Mt.St.Helens is home to many different species of wild creatures and creepy crawlies谁能帮我翻译一下 英语翻译Natural ResourcesConnecticut is a state rich with natural resources.There are many prominent geographical features found throughout the state and,as a result,there is a great deal of diversity in terms of habitat,landscapes,plant and anim 这句英语中的is of怎么理解?Many people assume that the extinction of a plant or animal species is of little consequence. Marine species of the Sultanate of Oman THE ORIGIN OF SPECIES 物种起源怎么样 THE FEMALE OF THE SPECIES怎么样 Estimated number of known and unknown species? chemical nature of ionic species是什么意思 many species of animals which once lived on the earth( ) no longer in existence.A.is B.are C.was D.were if too many of these rare animals are killed ,their species will die ___ .A.away B .off C.out D.down 句子变形各位高手,请问这句话Many endangered species have been spared the fate of extinction.这句话如何改为主动?谢谢! the amazon rain forest is home to many species of life found nowhere else.请翻译随便赐教found now else 的意思 how many endangered species are there in China英语版的 The forests of the tropics produce a magnificent growth of trees,but commercial lumbering is inhibited by problems that increase the cost of removal.The proliferation of species that is common to all tropical forests creates difficulties because many This is the text of the Commencement address by Steve Jobs,CEO of Apple Computer and of Pixar Anim