Some scientists believe that there will be such robots in the future此处为何用believe而不用think(原是单选题目）,请说明理由

l.beli.eve at the party ,we met some b___ scientists Some scientists t( ) that people should also take catnaps. LDON T BELI EVE IT什么意思 Scientists have some w____ to tell whether something is a plant or an animal. Some scientists say that eating the fruit itself won't help against bird flu. Scientists and doctors will surely find a way to()AIDS some day. Some scientists have already made robots walk and dance.为什么要用 walk and dance? 一些科学家已经使机器人行走和跳舞了.Some scientists have already ____ robots _____and_____. ---,some famous scientists have the qualities of being careful and calessAStrangely enoughBstrange enough 一些科学家已经使用机器人行走和跳舞了 Some scientists have already ____________________. Scientists think that greenhouse gas emissions have led to c_____ changes in some places Some scientists think there is water on Mars.(改为否定句） Perhaps some people will go to the____ for a holiday and some scientists can live under the ____.如题! 请老师帮忙分析下这个句子的句子成分:Last year,scientists saw some monkeys rubbing themselves withLast year,scientists saw some monkeys rubbing themselves with a certain kind of insects to protect themselves from fierce mosquitoes biti scientists 是什么意思 scientists是什么意思? Scientists是什么意思?