C.the long history of time travel
D.the contribution of H.G.Wells
2.Einstein’s and Hawking’s theories .
A.have similarities in many ways
B.push the invention of the first spaceship
C.have proved wrong by some time travelers
D.suggest the possibility of time travel
3.In Paragraph 4,“grandfather paradox” probably refers to the idea that .
A.the traveler is prevented from meeting his grandfather
B.the traveler goes back in time to seek for his grandfather
C.the grandfather’s death makes the traveler’s birth impossible
D.the reunion of the traveler and his grandfather brings happiness
4.According to the passage,what is probably the author’s attitude towards time travel?
A.Unclear. B.Skeptical.
C.Supportive. D.Unconcerned.
【文章大意】本文为议论文,主要讨论了时间旅行的可能性。
1.A 目的意图题。第二段第一句“The possibility of time travel is indeed appealing.”为该段主题句,下文举科幻小说《时间机器》为例说明此观点。由此可推测,第二段提到这部小说,是为了表明人们对时间旅行的浓厚兴趣,故选择A项。
2.D 细节理解题。由第三段第四、五句可知,两位科学家的理论表明了时光旅行是可能的,故选D项。
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