问题 单项选择题

下列关于数组的叙述中,错误的是

A.用DIMENSION和DECLARE都可以定义数组

B.Visual FoxPro中只支持一维数组和二维数组

C.一个数组中各个数组元素必须是同一种数据类型

D.新定义数组的各个数组元素初值为.F.

答案

参考答案:C

解析:【解析】在Visual FoxPro中,用DIMENSION和DECLARE都可以定义数组,新定义数组的各个数组元素初值为.F.,且 Visual FoxPro中只支持一维数组和二维数组,数组中元素的数据类型可以不同。

阅读理解

Prepare: Plan ahead and think about what you are going to say. In the words of Mark Twain, it usually takes you more than three weeks to prepare for it.

Know your subject: Always make sure that you know the subject and have background information at hand for question time.

Know you audience: Find out who you will be addressing so that you can tailor(适合) your comments accordingly.

Make a point: Keep your speech short and brief and have a few clear points that you need to convey(传达).

Practice: Never learn your speech by heart as your speech will become stilted, but do practice it a few times in front of the mirror, your parents or your dog.

Eye contact: If the thought of looking into a sea of faces scares you, adjust your gaze(注视)regularly at different points in the room to create the same effect.

First impressions: Your first impression is important when making a public presentation. Find out about dress codes(准则) at the place so that you look your best and, if possible, check the microphone beforehand to ensure you know how to use it.

Get help: If public presentations are a major part of your life, read up on the art of speech---writing and delivery to improve your skills.

小题1:The advice benefits (有益于)____________________.

A.teachers

B.actors

C.speechmakers

D.spokesmen小题2:Knowing your subject helps you __________.

A.make a perfect speech

B.make better answers when asked questions about the subject.

C.keep a clear head

D.attract people’s attention小题3: The underlined word “stilted” probable means ________ here.

A.unnatural

B.unnecessary

C.unpleasant

D.undeveloped小题4:If asked for more advice besides what has been mentioned in the text, you may suggest ______.

A.eye contact with the audience

B.proper clothes

C.proper tones and body languages

D.more practice

单项选择题