题目内容

SQL语言的功能包括（）。

A. 关系规范化、数据操纵、数据控制
B. 数据定义、数据操纵、数据控制
C. 数据定义、关系规范化、数据控制
D. 数据定义、关系规范化、数据操纵

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云计算的优势是（）。

A. 一朵云
B. 超高性能
C. 超强计算
D. 超大规模、按需服务

以下常见的通讯协议中，不属于应用层协议的有（）。

A. FTP
B. TCP/IP
C. HTTP
D. SMTP

Dialogue1 Listenandchoosethebestanswerforeachblank.a. in tune with b. delivering c. meeting the needsd. livelier e. sales presentationListen and choose the best answer for each blank.(In the office.)W: Hey, Xiao Lin! You look worried. What’s the matter with you?M: I ‘ve been busy making a 1) recently. As you know, I’m a newcomer and I don’t know how to make an effective presentation.W: Actually, making a good presentation is an art and involves2) of your audience.M: Meeting the needs of the audience? But how do I go about it?W: By interactions. Make sure that you are 3) your audience by asking and answering some questions to them.M: I got it. Well, could you tell me how to plan a presentation carefully?W: First you should gather all the information you need and organize your presentation in a simple and logical way.M: What should I pay attention to in 4) the presentation?W: Clear voice, rapport with the audience, use of notes and visual aids.M: Visual aids? What are they?W: Things for the audience to see, like PPT. They can not only make a presentation5) but also help the audience understand better.M: I see. Thank you very much for your suggestions.W: My pleasure.请同学们填写选项字母（如：a / b / c / d / e），不需要填写选项具体单词内容

The tree__________________________(plant) by us yesterday.