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问题 选择题

I think         necessary to do some running in the morning.[ ]

A. that        

B. it      

C. this        

D. one

答案

答案：B

单项选择题

(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) 、 (75) is another such technique that integrates data and process concerns into constructs called objects.

（74）应选（）。

A．PERT

B．DFD

C．ERD

D．UML
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填空题

A: Hi, Alice! Where did you go on vacation?

B: I went to Sanya with my family. 小题1:_____________________________?

A: Me? I didn’t go anywhere. I just stayed at home every day.

B: Oh, it souds a little boring.

A: Yeah, I think so. 小题2:____________________________________?

B: We went there by plane.

A: 小题3:_________________________?

B: Yes, of course! We all have a very good time. You know I love taking photos, so I took a lot of photos on the beautiful beach!

A: 小题4:________________________! Can you show me some of your photos?

B: No problem. I will take the photos to you tomorrow.

A: Thank you.

B: 小题5:_________________________. See you tomorrow.

A: See you!
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