阅读理解。 Science fiction and fantasy are interrelated,and it can be hard to tell the difference between the two.The two terminologies (术语)have been widely discussed,and it is very difficult to draw a line between the two.In the words of great writer,Issac Asimov,science fiction is based on technology and science and is possible.Science fiction can be about robots and space and has its bases in science.On the contrary,fantasy is only imaginary,and involves things that do not exist in real life.Fantasy can be about talking animals or something immortal.Science fiction shows things that could possibly take place in the real world.Fantasy adds realism to things that are unlikely to happen. When compared to fantasy stories,the imaginary elements in science fiction can largely be possible.Though the topic in science fiction can be contrary to reality,these stories are based on some fact that is absent in fantasy.Unlike science fiction,fantasy uses supernatural forms and magic in its topic. Science fiction can be divided into different kinds,such as hard science fiction,soft science fiction,social science fiction,time travel,military science fiction,super human fiction and space fiction.Fantasy can be divided into horror fiction,mystery fiction,super hero fiction and community. However,as fantasy fiction becomes more focused on modern environments,rather than ancient worlds,technology plays an increasingly important role in the stories,thus leading to the birth of Science Fantasy,just in time to meet the audience mourning a slowdown of Science Fiction. Science fantasy has several characteristics.Magic is still extremely obvious.The level of characterization differs greatly depending on the story. 1．Why is science fiction said to be possible? A．It is based on some fact. B．It focuses on unknown things. C．What it displays will happen in the real world. D．It is based on people's rich imagination. 2．Which may not often be seen in the topic of science fiction? A．Robots. B．Time travel. C．Magic. D．Space. 3．What makes Science Fantasy born? A．That it shows more technology than science fiction. B．The development of fantasy fiction. C．The science fiction has disappeared from the market. D．That it has more realistic elements than science fiction. 4．What is the biggest similarity between fantasy and Science Fantasy? A．Magic is often avoided in both of them. B．Both have military topic. C．Both have many characters. D．Magic is much shown in both of them. 5．From the passage,we can infer that ________. A．science fantasy will soon replace science fiction B．readers still pay attention to science fiction C．fantasy has more kinds than science fiction D．things in science fantasy will soon exist in real life 6.用30词左右概括文章大意 _______________________________________________________