国家助学贷款借款人自（）起，下月1日（含1日）开始归还贷款利息，并可以选择在毕业后的（）个月内的任何一个月开始偿还贷款本息。
A.取得毕业证书之日；12
B.正式工作之日；24
C.正式工作之日；12
D.取得毕业证书之日；24
参考答案：D
解析：国家助学贷款管理办法规定借款学生在校期间的贷款利息全部由财政补贴，借款学生自取得毕业证书之日（以毕业证书签发日期为准）起，下月1日（含1日）开始归还贷款利息，并可以选择在毕业后的24个月内的任何一个月开始偿还贷款本息，但原则上不得延长贷款期限。
| 阅读理解。 | |
The following are three ads (广告):
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| 1. If you want to work in the south, you can apply for (申请) a job as _________ . |
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| A. a driver B. an air hostess C. a teacher D. all of the above |
| 2. You may call _________ when you wish to be a teacher. |
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| A. 0755-6561382 B. 0411-4313861 C. 010-88488970 D. A and B |
| 3. Mary, aged 26, knows English and Japanese, which job can be given to her? _________ |
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| A. Driving for China taxi. B. Working for China Airlines. C. Teaching at instant languages Ltd. D. None of the above. |
| 4. What prevents (阻止) Jack, an experienced (有经验的) taxi driver, working for Capes Taxi? _________ |
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| A. Liking beer and wine. B. Breaking traffic rules. C. Being unable to speak a foreign language. D. Not having college education. |
| 5. Which of the following is not mentioned (提到) in the three ads? _________ |
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| A. Height. B. Age. C. Language. D. Health. |
是样本均值，以μp表示标准正态分布水平p双侧分位数；则在H0的4个水平α=0.05的否定域中，第二类错误概率最小的否定域是()。