10．We have met the enemy，and he is ours．We bought him at a pet shop．When monkey-pox，a disease usually found in the African rain forest，suddenly turns up in children in the American Midwest，it's hard not to wonder if the disease that comes from foreign animals is homing in on human beings．"Most of the infections（感染） we think of as human infections staned in other animals，"says Stephen Morse，director of the Center for Public Health Preparedness at Columbia University．
It's not just that we're going to where the animals are；we're also bringing them closer to us．Popular foreign pets have brought a whole new disease to this country．A strange illness killed Isaksen's pets，and she now thinks that keeping foreign pets is a bad idea．"I don't think it's fair to have them as pets when we have such a limited knowledge of them，"says Isaksen．
"Laws allowing these animals to be brought in from deep forest areas without stricter control need changing，"says Peter Schantz．Monkey-pox may be the wake-up call．Researchers believe infected animals may infect their owners．We know very little about these new diseases． A new bug（病毒） may be kind at first．But it may develop into something harmful，（有害的）． Monkey-pox doesn't look a major infectious disease．But it is not．impossible to pass the disease from person to person．
29．We learn from Paragraph l that the pet sold at the shop mayB．
A．come from Columbia
B．suffer from monkey-pox
C．enjoy being with children
D．prevent us from being infected
30．Why did Isaksen advise people not to have foreign pets？A
A．We do not know much about them yet．
B．We need to study native animals．
C．They can't live out of the rain forest．
D．They attack human beings．
31．What does the phrase"the wake-up call''in Paragraph 3 most probably mean？C
A．a new disease
B．a dangerous animal
C．a clear warning
D．a morning call
32．The text suggests that in the future we．B
A．may easily get infected by diseases from dogs
B．may have to fight against more new diseases
C．should not be allowed to have pets
D．should stop buying pets from Africa．
分析 本文属于说明文阅读，作者通过这篇文章主要向我们描述了商店里买的宠物带有一种疾病，未来会有更多的病毒由动物传染给人，故此人类要不断与新的疾病作斗争．
解答 29．B．推理判断题．从第一段We have met the enemy and he is ours We bought him at a pet shop．When monkey-pox，a disease usually found in the African rain forest suddenly turns up in children in the American可知，商店里买的宠物带有一种疾病；故选B．
30．A．细节判断题．根据文章Isaksen's pets and she now thinks that keeping foreign pets is a bad idea可知我们还不太了解他们所以建议人们不要有外国宠物；故选A．
31．C．词义理解题．根据第三段Monkey-pox may be the wake-up call．Researchers believe infected animals may infect their owners可知大多数感染（感染）认为人类感染始于其他动物，故养动物宠物的人很容易受到感染，故此研究者唤醒养动物宠物人的相信；故选C．
32．B．主题大意题．从最后一段A new bug（病毒） may be kind at first．But it may develop into something harmful，（有害的）． Monkey-pox doesn't look a major infectious disease．But it is not．impossible to pass the disease from person to person可知，会有更多的病毒由动物传染给人，故此人类要不断与新的疾病作斗争；故选B．
点评 考察学生的细节理解和推理判断能力，做细节理解题时一定要找到文章中的原句，和题干进行比较，再做出正确的选择．在做推理判断题不要以个人的主观想象代替文章的事实，要根据文章事实进行合乎逻辑的推理判断．
