仔细听对话。对话中，Jim向电脑技术人员提出了一个又一个有关上网查询太空知识的问题。下表的左栏已经把Jim的问题按顺序排列完毕了，但是表格右栏中技术人员的回答却没有按顺序排列。你能帮忙重新排序吗？请把你认为的字母序列号填在相应的横线上。
| 1. Excuse me, could you help me? I need to get some up-to-date information on space research. |
a. Sure. There are a lot of websites you can visit. Which one do you want? |
| 2. I don't know! Have you any suggestions? |
b. Well, if that seems a bit complicated, you can just go to a particular website. |
| 3. How do you do that? |
c. NASA stands for National Aeronautics and Space Administration. |
| 4. That sounds very complicated. |
d. Yeah, well, if you like you can search for possible websites, you know, places where you get the information you need. |
| 5. Like what for instance? |
e. Just get onto the Internet, type in key words - like space research, for instance, and then click on GO. The machine will find you what's available. |
| 6. What's NASA? |
f. Yeah, that's right. But don't worry, the information is all free! All you pay is the cost of a local call. |
| 7. That's an American agency, isn't it? |
g. Well, I happen to know of one--NASA has one. |
