5．In the famous fairy tale，Snow White eats the Queen's apple and falls victim to a curse； in Shakespeare's novel，Romeo drinks the poison and dies； some ancient Chinese emperors took pills that contained mercury，believing that it would make them immortal，but they died afterward．
Poison has long been an important ingredient in literature and history，and it seems to always be associated with evil，danger and death．But how much do you really know about poison？
An exhibition，The Power of Poison，opened last month at the American Museum of Natural History in New York，intended to give the audience a more vivid understanding of poison．The exhibition will continue until Aug 2014，reported The New York Times．
The museum tour starts in a rainforest setting，where you can see live examples of some of the most poisonous animals：caterpillars，frogs and spiders．Golden poison frogs，for instance，aren't much bigger than a coin，but their skin is covered in a poison that can cut off the signaling power of your nerves，and a single frog has enough venom to kill 10grown humans．
The exhibition also features interactive activities．In an iPad-based game，visitors are presented with three puzzling illnesses and asked to identify the poisons based on symptoms．In one case，for example，a pet dog is found sick in a backyard and visitors have to figure out whether it was the toad （蟾蜍），the leaky batteries in the trash or the dirty pond water that did it．
"Poisons can be bad for some things，"Michael Novacek，senior vice president of the museum，told NBC News．"Yet they can also be good for others．"
   This is what visitors learn from the last part of the exhibition，which displays how poisons can be used favorably by humans，including for medical treatment．
The blood toxins of vampire bats，for example，can prevent blood from clotting （凝結(jié)），which may protect against strokes．A poisonous chemical found in the yew tree is effective against cancer，which is what led to the invention of a cancer-fighting drug called Taxol．One chemical in the venom of Gila monsters can lower the blood sugar of its victims，so it has been used to treat diabetes．
The benefits from natural poisons are not limited to just medicine．Believe it or not，many substances that we regularly take in-chili，coffee and chocolate，etc．-owe their special flavors or stimulating effects to chemicals that plants make to poison insects．

69．By mentioning Snow White and Romeo at the beginning of the story，the author intends toB．
A．show that poison has long been involved in literature
B．draw readers'attention to the topic of the article
C．show that poison is always linked with evil and death
D．get readers to think of more examples of the use of poison in stories
70．What is the main purpose of the exhibition The Power of Poison？D
A．To teach people how to handle poisonous animals．
B．To inform people about which animals are the most poisonous．
C．To show how poison has been used for medical treatment．
D．To give people more in-depth knowledge about poison．
71．Which of the following statements about the exhibition is TRUE according to the article？A
A．Those who visit the exhibition can join in some iPad-based interactive games．
B．The exhibition will lead visitors to a real rainforest
C．Golden poison frogs are the most poisonous animals on display．
D．Visitors can listen to lectures on recent studies of poisonous animals．

分析 你真正得了解毒藥嗎？在美國自然歷史博物觀中進行的一次展覽會--毒藥的力量，對毒藥的力量做出了全面而生動的展示．

解答 69．B．推理判斷題．通讀全文可知，文章主要講述的是"毒藥的力量"展覽會向人們?nèi)娑鷦拥卣故玖硕舅幍牧α浚栽谖恼碌拈_始部分所講到的"白雪公主"和"羅密歐"，是為了吸引讀者，引出下文，故正確答案為B．
70．D．細節(jié)信息題．根據(jù)文章第三段中"An exhibition，the Power of Poison，…，intended to give the audience a more vivid understanding of poison．"可知，這次展覽的目的是為了給參觀展覽的人們一個對毒藥更為生動形象的了解．故該題正確答案為D．
71．A．細節(jié)信息題．根據(jù)文章第五段中"The exhibition also features interactive activities．In an iPad-based game，visitors are presented with three puzzling illnesses and asked to identify the poisons based on symptoms．"可知參觀展覽的人們可以參加iPad互動游戲；故選A．

點評 考察學生的細節(jié)理解和推理判斷能力，做細節(jié)理解題時一定要找到文章中的原句，和題干進行比較，再做出正確的選擇．在做推理判斷題不要以個人的主觀想象代替文章的事實，要根據(jù)文章事實進行合乎邏輯的推理判斷．

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A．Books on popular science
B．Literary books．
C．The year book of a university
D．Books on economic control．
64．How could you buy a book from the store？C
A．The salesman will help you find the book．
B．The salesman will get the money for the book．
C．Choose the book（s） and leave the money there．
D．Pay on the net and then get the book（s） in the store．
65．How does the store attract readers'attention？A
A．By putting up a huge billboard
B．By making ads on TV．
C．By broadcasting loud music
D．By handing our ads in the street．

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