Multiple Choice 例题8

Which of the following is the most suitable for Reading Passage 8?

Choose the correct letter, A，B, C or D.

Passage 8

The usual color of dolphins varies from black to grayish white which allows them to blend well with their underwater surroundings. However, there are also pink dolphins, which may come as a surprise to many.Sightings of albino sea dolphins with pink skin and red eyes have been noted.In the Amazon, pink freshwater dolphins, which are distant cousins of sea dolphins, are found.Pink dolphins of the Amazon are called Boto or Amazon River dolphins.The pink color of the Boto's skin is due to the abundant capillaries near the surface of the dolphin's skin and the high iron content of the Amazon River.Botos are highly intelligent and curious dolphins.

Question

Which of the foIIowing is a reason for the pink coIoration of the Amazon River doIphin?

A. The insignificant amount of iron in the rivers of the Amazon

B. The significant levels of iron in the waters of the Amazon

C. The abundance of capillaries in the animals that feed on Boto dolphins

D. The significant amount of capillaries in the skins of the fish in the Amazon River

解题思路

STEP 1　Question的Keywords与Question Point是什么？

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STEP 2　在Passage 8中找出与Question相关的内容。

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STEP 3　在A, B，C, D中找出正确答案。

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