2. 外语
  3. A、A poisonous snake attacked him on his field trip. B、He discovered a rare fog on a deserted island. C、A snake crawled onto his

A、A poisonous snake attacked him on his field trip. B、He discovered a rare fog on a deserted island. C、A snake crawled onto his

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问题  
(5) A new species of snake has been discovered on a remote island in the Bahamas. Scientists identified 20 of the one meter-long snakes during two trips to the Caribbean islands. The second trip was made in October last year.
    (6) One of the creatures made a dramatic appearance by moving on to the head of the team leader as he slept.
    (7) The snake has been named silver boa because it is metal colored and the first specimen found was climbing a silver palm tree.
    The team was led by Dr. Graham Reynolds, from Harvard University. The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
    Commenting on the find, snake expert Robert Henderson from the Muworki Museum of Natural History said: "Worldwide new species of frogs are being discovered and described quite regularly. New species of snakes, however, are much rarer."
Questions 5 to 7 are based on the news report you have just heard.
5. What is the news report mainly about?
6. What do we learn about the scientific team leader?
7. How did the newly discovered creature get its name?
选项 A、A poisonous snake attacked him on his field trip.
B、He discovered a rare fog on a deserted island.
C、A snake crawled onto his head in his sleep.
D、He fell from a tall palm tree by accident.
答案C
解析 浏览四个选项，从选项中的poisonous snake，attacked，discovered，crawled，fell from，by accident等词可推测，此题与蛇有关。题干问的是关于科学团队领导者，新闻中说了什么。新闻中提到，其中一条蛇戏剧性地出现了，它趁着团队的领导者睡觉时爬到了他的头上。C项与原文提供的信息一致，故答案为C。A项(他在实地考察时被毒蛇攻击了)，B项(他在一个荒岛上发现了一只罕见的青蛙)，D项(他无意中从一棵高高的棕榈树上掉了下来)文中均未提及，故排除。
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