Scientists are now trying to make robots look like people.这里的now有什么作用?可以去掉吗?

scientists are only now beginning to understand them.进行时scientists are only now beginning to understand them.否定句：_________________________________一般疑问句：_______________________________肯定回答：__________________________ Scientists think that the continents___always where they ___today.A.weren't:are B.aren't:are mary computer scientists are now thinking of m( ) the computer (think) like a man. Scientists are noly now begining to understand trees.RT , Scientists are noly now begining to understand trees. 这里为什么是only now ???now only 不行吗 He smells that fish ( ) （careful),but the fish smells ( Scientists are now trying to make robots look like people.这里的now有什么作用?可以去掉吗? 英语翻译Man has a big brain.he can think,learn and speak.Scientists used to think that men are different from animals because they can think and learn.They know now that animals can learn----dogs,mice,birds can learn.So scientists are beginning t Animal thinking.For a long time,scientists didn't study animal thinking.Most of them didn't believe that animals could think.They thought humans were the only thinking animals.Now more scientists are studying this subject.But it's very hard to prove Scientists are now working ______ humanoids.Because they can help people a lot.Scientists are now working ______humanoids.Because they can help people a lot.A.on B.against C.into D.to Robot scientists are not just only trying to make robots look like people,aren`t they? Robot scientists are not just only trying to make robots look like people,aren`t they? scientists are now able to understand someone's thoughts by looking _____what their brain is doing.填一个介词 Chinese scientists are again becoming excited about the fact that a large hairy animal may live incentral China.Now they hope it won't be too long before they are able to prove its existence.这句话中的it won't be too Chinese scientists are again becoming excited about the fact that a large hairy animal may live in central China.Now they hope it won't be too long before they are able to prove its existence.这句话中的it won't be too 英语翻译There are some places in the world where great cities once stood.There were gardens,trees and grass.But now these cities have gone and the places are like deserts.Scientists began to study this land to find out what had happened.Many of t 英语翻译However,some scientists now believe that dreams mean nothing at all-dreams are caused by the electrical activity in our brains while we sleep. _____[A.Though B.As long as]there are two different views,scientists now generally agree that some kinds of dinosaurs lived in big groups. Now they are t（ ）about a new house They aren't working now.They are on ______.