小马备考包9(1.0版)——解析锦囊.pdfVIP

小马备考包 9 （1.0 版）——解析锦囊—— 小马备考包 9——答案公布： 小马备考包 9——阅读部分答案+解析 Key: 1. D 2. C 3. C 4. B 5. A 6. C 7.C 8. B 9. B 10. B 11. A 12. D 13. D 14. 2 4 6 ◆题目详解 1. The word pose in the passage is closest in the meaning to （Vocabulary Question ） A.Claim B.Model C.Assume D.Present (√) 相关原句： Such impacts continue to pose a natural hazard to life on Earth. （Paragraph 1 ） 本题解析： pose 意为“引起，呈现”，与 present 同义，因此选择D 。 2. In paragraph 2, why does the author include the information that dinosaurs had flourished for tens of millions of years and then suddenly disappeared? （Rhetorical Purpose Question ） A.To support the claim that the mass extinction at the end of the Cretaceous is the best-documented of the dozen or so mass extinctions in the geological record B.To explain why as many as half of the species on Earth at the time are believed to 小马备考包 9 （1.0 版）——解析锦囊—— have become extinct at the end of the Cretaceous C.To explain why paleontologists have always been intrigued by the mass extinction at the end of the Cretaceous (√) D.To provide evidence that an impact can be large enough to disturb the environment of the entire planet and cause an ecological disaster 相关原句： While there are a dozen or more mass extinctions in the geological record, the Cretaceous mass extinction has always intrigued paleontologists because it marks the end of the age of the dinosaurs. （Paragraph 2 ） 本题解析： 文中指出白垩纪生物灭绝之所以激发了古生物学者的兴趣是因为它标志了恐龙的灭亡，文中 接着列出恐龙（had flourished for tens of millions of years and then suddenly disappeared ）是为了支持这一观点。因此选择C 。 3. Which of the following can be inferred from paragraph 3 about the location of the meteorite impact in Mexico? （Inference Question