12. A [解析]根据这两个自然段可知，如果你提前被告知你将来可能患某种可怕的疾病会mess you up。

11. D[解析]根据第二段Nobel Prize-winning scientist James Watson, one of the first people to map their entire genetic makeup, is said to have asked not to be told if he were at a higher risk for Alzheimer’。“James Watson要求如果他的基因表明他有很高的老年痴呆症的可能不要告诉他。”

10. B [解析]通过两个问题引出话题。

9．主旨大意题。纵观全文判断。

C: BDAAC

8. 推理判断题。根据最后一段第二句After Ray finished her financial class, she opened up a savings account at her local bank and started to think more about how she and her family would pay for college．，可以看出Ray能更好地管理钱了。

7. 细节理解题。根据第五段首句That 's a big goal for these classes: preventing kids from making the same financial missteps their parents did when it comes to saving, spending, and debt.可以判断B正确。

6. 脉络结构题。通过举例来说明。通过列举四十个州的做法来说明schools’ interest in teaching financial classes has increased.

5. 态度意图题。根据第一段首句During her junior year of high school, Diane Ray's teacher …instructed the 17-year-old to map out her future financial life． 和第三句的…investing the hypothetical earnings from their hypothetical jobs in the market…可判断出the “stock market game”旨在帮助学生了解投资方面的内容。

4. C 细节理解题。较难。第六段作者举例说明了那些从事紧急服务（emergency services）和 医务工作（in our hospitals）此时此刻正在想念家人，不难看出作者对仍工作在圣诞节的人（those still at work at Christmas）的尊敬。

B: BABBC

3. D 细节理解题。较易。考生只需要根据选项中的关键词在相应的段落中定位即可。A项的enthusiasm 出现在第一段，friendship出现在第二段最后一行；B项的dedication出现在第五段第二行，effort出现在第六段第二行；C项的sacrifice and service 是第七段中的“whose sense of duty takes them away from family and friends” 的“同义转述”。D项没有提及。