It can be inferred from the passage that______

考研英语

单选题 It can be inferred from the passage that_______．

A．large creatures tend to extinct more quickly than smaller ones such as tuna
B．low breeding capability of shark is the vital reason for its endangerment
C．the measures taken to battle against finning are not so successful
D．westerners show no interest in shark—fin soup

参考答案：C进入在线模考

从文中我们可以推断出_______。
[A]大型生物比金枪鱼之类的小型生物灭绝得更慢
[B]低生育率是鲨鱼灭绝的最主要原因
[C]政府采取的对抗切除鱼鳍行为的措施不是很成功
[D]西方国家的人对鱼翅汤不感兴趣
【答案】C推理引申题
【解析】本文考查对全文内容的推理引申。根据[A]选项关键词tuna锁定文章第四段。这一段提到除了过度捕捞，鲨鱼的生殖率低也是导致其数量骤减的原因。因此这里将鲨鱼与金枪鱼作比较并不是想要强调它们在体积上的差别，而是它们生殖能力的差别。[B]错误，将鲨鱼灭绝的次要原因变成主要原因。[C]正确。[D]选项，文中只提到中国香港和大陆是鲨鱼的主要消费地，并没有提到西方国家对于鱼翅汤的感觉。

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1 It is implied in this passage that to protect shark from extinction，the most important thing to do is_______．

A．to persuade restaurants to quit shark-fin soup in banquet
B．to take courage to go against bad cuisine culture
C．to spot and make up folthe loophole in law
D．to do more research to enhance the breeding capability of sharks

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2 The best title for this passage is_______．

A．Dinausor First，Shark Next
B．Endangered Shark Species
C．Dirty Trade of Shark—Fin
D．Killing by Eating

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3根据以下资料，回答题：
　　Invention and innovation have been quintessentially American pursuits from the earliest days of the republic．Benjamin Franklin was a world—famous scientist and inventor．Cyrus McCormick and his harvester，Samuel F．B．Morse and the telegraph．Alexander Graham Bell and the telephone--the l9th century produced a string of inventors and their world—changing creations．And then there was the greatest of them all，Thomas Alva Edison．He came up with the crucial devices that would give birth to three enduring American industries：electrical power，recorded music and motion pictures．
　　Much of the world we live in today is a legacy of Edison and of his devotion to science and innovation．Edison taught us to invent，and for decades we were the best in the world．But today，more than l60 years after Edison’s birth，America is losing its scientific edge．A landmark report released in May by the National Science Board lays out the numbers：while U．S．investment in R&D as a share of total GDP has remained relatively constant since the mid一1980s at 2．7％．the federal share of R&D has been consistently declining--even as Asian nations like Japan and South Korea have rapidly increased that rati0．At the same time，American students seem to be losing interest in science．Only about one。third of U．S． bachelor’s degrees are in science or engineering now，compared with 63％in Japan and 53％ in China．
　　It’s ironic that nowhere is America’s position in science and technology more threatened than in the industry that Edison essentially invented：energy．Clean power could be to the 2 1 st century what aeronautics and the computer were to the 20th，but the U．S．is already falling behind．Meanwhile，Congress remains largely paralyzed．Though in May the House of Representatives was finally able to pass the$86 billion America Competes Reauthorization Act，which would double the budgets of the National Science Foundation(NSF)and Energy Department’s Office of Science，the bill’s fate is cloudy in the deadlocked Senate．“At this rate．．．we’ll be buying most of our wind generators and photovoltaic panels from other countries，”former NSF head Arden L．Bement said at a congressional hearing recently． “That’s what keeps me awake sometimes at night．”
　　Some erosion of the U．S．’s scientific dominance is inevitable in a globalized world and might not even be a bad thing．Tomorrow’s innovators could arise in Shanghai or Seoul or Bangalore．And Edison would counsel against panic--as he put it once，“Whatever setbacks America has encountered，it has always emerged as a stronger and more prosperous nation．”But the U．S．will inevitably decline unless we invest in the education and research necessary to maintain the American edge．The next generation of Edisons could be waiting．But unlesswe move quickly，they won’t have the tools they need to thrive．
The author mentioned many inventors in the first paragraph to_____.

A．remind American of their historical heritage
B．highlight American’s loss of supremacy in scientific innovation
C．describe the heyday of America in science and innnovation
D．express his regret for the decline of American national power

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