设f(x)的n-1阶导数为，则f(n)(x)=______．
题型：填空题
问题：
设f(x)的n-1阶导数为
，则f(n)(x)=______．
题型：填空题
阅读下面对话，按要求完成相关任务。
Stephen will finish school this summer. He plans to find a job in UNICEF. Now he is being interviewed by a UNICEF worker.
(S: Stephen W: worker in UNICEF)
W: So, Stephen, please say something about yourself.
S: Well, I love children so much. My mother works in a primary school, so I learn a lot about children and I think this might be useful.
W: I’m sure it is. Do you speak many languages? Ours is an international organization and it’s quite often that we meet children from different countries.
S: Yes. I’m good at French and English. I’m taking Chinese at evening classes. I learn
ed Japanese at school, too.
W: Excellent. 告诉我你为什么想得到这份工作。
S: Well, it sounds interesting, worker, like, experience, I, as , some, would, a , to, charity, get . Maybe one day I’ll set up my own charity.
W: I see. What are your characteristics, may I ask?
S: I’m patient, generous and easy-going.
W: Good. What do you think you could offer us, Stephen?
S: I think my knowledge of languages and personalities would be useful. I enjoy working with children and you can always believe me. I’m also fit and healthy.
W: What do you think your disadvantages are?
S: I’m not outgoing. I’m very shy when I first meet people. I find it difficult to talk to them and make conversation, but when I know people quite well I’m much more self-confident.
W: Thank you very much. Stephen. We’ll call you next week.
小题1: Where does Stephen’s mother work? ________
小题2:Which language is Stephen taking at evening classes. English, Chinese or Japanese? _______
小题3: 将文中划线部分的单词组成一个通顺的句子。 ______________________________
小题4: 将文中汉语“告诉我你为什么想得到这份工作。”译成英语。 ________________________
小题5:What are Stephen’s advantages in asking for this job?(列出四个方面) ________