C．the hatching of turtles is free from the effect of the oil spill

　　D．the oil spill does lead to a higher mortality rate of the hatchlings

　　答案：C　考查细节理解。根据倒数第二段可知， Srivastava认为石油泄漏对于海龟的孵化没有影响，这一点与一些科学家的看法相反。

　　4．The best title for the passage should be “________”．

　　A．The mortality rate of the hatchling of turtles

　　B．Oil spill spoils thousands of turtle eggs

　　C．How turtles survive the oil spill

　　D．Effect of oil spill on the environment

　　答案：B　考查主旨大意。浏览全文不难看出本文主要是围绕石油泄漏对海龟孵化的影响来讨论的，因此选项B适合作标题。

　　.短文填空

　　根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

　　__1__Scientists and experts have proved the uniqueness of finger­prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.

　　The ridge (隆起) structure on a person's fingers does not change with growth and is not affected by surface injuries. Burns, cuts and other damage to the outer part of the skin will be replaced in time by new one, which bears a reproduction of the original pattern.__2__Some criminals make use of this fact to remove their own finger­prints but this is a dangerous and rare step to take.

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