which to base on 和on which to base区别Without facts,we can’t form a correct opinion,for we need to have actual knowledge ______ our thinking.选第二个为啥?别说第一个是错的

to base on 和basing on 的区别 the scientists needed to do a series of scientific experiments____his new theory.A.on which to base B,to base on which C which to base on D which to be based on We need more actual facts on which to base our argumentson which to base our arguments中的to是怎么回事? we need to have some practice( ) our theory.A .on which to base B .to base C.to baseD.on that to base 为什么选A！ which to base on 和on which to base区别Without facts,we can’t form a correct opinion,for we need to have actual knowledge ______ our thinking.选第二个为啥?别说第一个是错的 英语翻译The professor could hardly find the sufficient grounds_______his arguments in favor of the new theory.A.to be based on B.to base on C.which to base on D.on which to base The professor could hardil find sufficient grounds _____hia arguments in favor of the new theory.A.to be based on B.to base on C.which to base on D.on which to base 答案：D为什么 说思路、 The professor could hardly find sufficient grounds __his arguments in favour of the new theoryA.to be based on B.to base on C.which to base on D.on which to base The professor could hardly find sufficient grounds( ) his arguments in favor of the new theory.A.to be based on B.to base on C.which to base on D.on which to base应该选择哪个?原因是什么? The professor could hardly find necessary grounds_______his arguments in favour of the new theory.A.to be based on B.to base on C.which to base on D.on which to base选什么?why? The researcher could hardly find enugh evidence____his arguments in favour of the new theoryA to be based on B to base on C which to base on D on which to base base on用法The professor could hardly find sufficient grounds___ his arguments in favour of the new theory.A.to be based onB.to base onC.which to base onD.on which to base选D,为什么, 为什么选Dthe professor could harldy find sufficient grounds_____his arguments infavor of the new theoryA.to be based on B.to base onC.which to base on D.on which to base不能使A吗 on which to base my opinion ,which to base my opinion on 为什么答案是前者 后面的为什么错了Now I’ll present the facts __________.A.on which to be based my opinion B.which to base my opinion on C.upon which to base my opinion D.which There is not very much experimental data ______ a decision between the two possibilities. On which to base B. which is based on C. To base on which D. to be based on There is not very much experimental data ______ a decision between the two possibilities.On which to base B. which is based on C. To base on which D. to be based on To prove the new theory,the scientist needs to find some grounds _＿his argument.A which to be based onB on which to baseC which to base onD to which to base on the scientist needs to find some grounds on which to base his argument on 可以放后面吗