变压器爆炸或电线掉落地面，应如何处理？

根据表中所给的数据，回答下列问题：

沿海和内陆沙漠地区哪个地区昼夜温差较小？为什么？

对话填空 （共10小题，每小题1分，满分10分）

W: Sir, you’ve been using the online catalogue（目录）for

quite a (76) w______. Is there anything I can do to help you?

M: Well, I’ve got to write a paper about Hollywood in the 30s and 40s, and I’m really struggling. There are hundreds of books, and I just don’t know (77) w_____ to begin.

W: Your topic sounds pretty big. Why don’t you narrow it down to something like…uh… the history of the studios during that time?

M: You know, I was thinking about doing that, but more than 30 books came up when I (78) t_____ in “movie studios.”

W: You could cut that down even further by listing the specific (79) y_____ you want. Try adding “1930s” or “1940s” or maybe “Golden Age.”

M: “Golden Age” is a good idea. Let me type that in. Hey, look, just 6 books this time. That’s a lot better.

W: Oh… another thing you might consider. Have you tried looking for any (80) m_______ or newspaper articles?

M: No, I’ve only been (81) s________ for books.

W: Well, you can look up magazine articles in the Reader’s Guide to Periodical Literature. And we do have the Los Angeles Times available over there. You might go (82) t________ their indexes (索引) to see if there’s (83) a_______ you want.

M: Okay, I think I’ll get (84) s_______ with these books and then I’ll go over the magazines.

W: If you need any (85) h_____, I’ll be over at the Reference Desk.

M: Great, thanks a lot. 

项目节能审查按照项目管理权限实行（）。

A.统一管理

B.分级管理

C.核准管理

D.措施管理

个人住房贷款借款人现有年龄加上贷款年限不得超过（）年。

A、60

B、65

C、70

D、75

科技报告以阐述作者的科学见解为目的，而科技论文则以陈述科研工作的经过与结果为目的。