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  3. [originaltext] (5) A new species of snake has been discovered on a remote is

[originaltext] (5) A new species of snake has been discovered on a remote is

游客2024-01-24  23
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、The discovery of a new species of snake.
B、The second trip to a small remote island.
C、The finding of two new species of frog.
D、The latest test on a rare animal species.
答案 A
解析 浏览四个选项，从选项中的discovery，second trip，finding，latest test等词可推测，此题与新闻的主旨大意有关。题干问的是该新闻的主要内容是什么。新闻开头提到，在巴哈马一个遥远的岛上发现了一种新的蛇，新闻第一句概括了全文的主旨。A项与原文提供的信息一致，故答案为A。B项(到一个遥远小岛的第二次旅行)，C项(两种新蛙种的发现)，D项(对一种稀有动物物种的最新测试)均不能概括全文主旨，故排除。
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