As is known to all,the whale is not fish but a mammal.这句话中为什么fish前面不加a而mammal前面要加a呢?

as is known to all的意思以及as a known to all的意思 as is known to all中的as是什么词性 it is known to all that 和as is known to all that 区别 如何区别As is known to all与It is known to all? as is known to all 在句中做什么成分 As is known to all怎么连读 as it is known to all与as is known to all与it is known to all请问,有没有as it is known to all THANK YOU! As is known to all ,和Which is known to all,China is a socialist country.的翻译的不同. it is known to us all,as is known to us all和what is known to us all有什么区别 _______,the compass was first made in China.A.It is known to all B.We all know C.As is known to allD.Itis known that it known to all还是it is known to all As is known to all,Lu Xun was famous as a great thinker.的翻译 是as is known to...还是as iT known to... 有关as is known to us all,it is known to us all 的辨析1.As is known to us all,the earth is round.2.It is known to us all that the earthe is round.3.what is known to us all is that the whale is not fish but mammal.请问这3个分别是什么从 As is known to all 与It is known to all 区别?1.( )that the earth is round.A.As is known to all B.As you seeC.It is known to all D.As is seen A B C D的区别?2.Whether way s will be found to stop pullution or not is just ()worries the public.A,why ---,china is a country with more than 5000 years of history,A.it is known to all that B.which is known to all C.as we all knew Das is known to all As is known to all china is a developing country英文翻译中文 China is a developing country,---- is known to all as 和 which 用哪一个 为什么