【单选题】听力原文: Butterflies are common all over the world but the ones in hot countries are usually bigger and more brightly colored than those in cooler countries, and there are more different kinds. Usually t...
【单选题】Science Fiction 1. Among the most popular books being written today are those that are usually classified(分类) as science fiction. Hundreds of titles are published every year and are read by all kinds ...
A.
Fairly New Development
B.
Classics of Science Fiction
C.
Difficulty in Keeping ahead of Scientific Advances
D.
Origins of Science Fiction
E.
Themes of Modern Science Fiction Paragraph 2______