题目内容

要使Form1窗体的标题栏显示“欢迎使用VB”,下列语句中()是正确的。

A. Form1.Caption="欢迎使用VB"
B. Form1.Caption=欢迎使用VB
C. Form1.Caption 欢迎使用VB
D. Form.Caption=“欢迎使用VB”

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在VB中最基本的对象是(),它是一块“画布”,是其他控件的容器。

A. 窗体
B. 命令按钮
C. 标签
D. 文本框

当Label控件Caption属性的文本超过控件宽度时,为了使Label控件能自动调整大小,需要设置()属性。

A. BorderStyle
B. Font
Caption
D. AutoSize

选词填空 (答案只填写选项字母,否则为零分)A. attainB. pursueC. raiseD. classifyE. especiallyF. fascinatingG. availableH. passionI. acquireJ. sampleK. fulfillL. qualifyM. virtuallyN. fashionableO. prosperousUniversity students come from different parts of the country with various purposes. However, a closer look at their reasons for studying at the university will enable us to 1.___them roughly into three groups: those who have a(n) 2.___for learning, those who wish to 3.___ a bright future, and those who learn with no definite purpose.Firstly, there are many students who learn simply because they 4.___their goal of learning. Some read a wealth of British and American novels because they are keenly interested in literature. Others sit in front of the computer screen, working on a new program, 5.___day and night, because they find some computer programs 6.___, and they dream of becoming a "Bill Gates" one day.Secondly, there are students who work hard mainly for a better and more 7.___ future. It seems that the majority of students fall into this group. After admission to the university, they read books after books to 8.___ knowledge from all of the resources which are 9.___ to them, and finally, to succeed in the future job market.Thirdly, there are still some students who learn without a clear goal. They take courses, finish homework, enjoy life on campus, but don't want to 10.___ anything new or challenging. They have no idea what they will be doing after college. And they may end up with nothing in their lives.

STM32F103ZET6中哪个定时器不能输出PWM信号( )

A. TIM1
B. TIM3
C. TIM6
D. TIM8

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