Visual Basic 6.0是面向( )的程序设计语言。
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Visual Basic 6.0集成开发环境有三种工作状态,不属于三种工作状态之一的是( )。
A. 设计状态
B. 编写代码状态
C. 运行状态
D. 中断状态
Task 10 Listen to the following short talk twice and fill in the blanks with the missing words.[音频]What are the advantages here? What are the savings (节省物)? What industries ____1____ applied to?Here’s what I mean when I say people never ____2____ enough. This isn’t just about money savings. It’s not about bridges, and it’s not ____3____. This is a huge and fundamental ____4____. When we start making things intelligent, it’s going to be a major engine (引擎) ____5____ new products and new services.Of all the technology trends that are taking place right now, perhaps ____6____ is the Internet of Things; it’s the one that’s going to give us the most disruption (颠覆) as well as ____7____ over the next five years. We’ll explore just how big this is going to be.
丙酮的核磁共振氢谱中有几组氢的峰。( )
A. 1
B. 2
C. 3
D. 6
屏蔽效应是由( )引起的
A. 位阻
B. 核外电子
C. 顺反异构
D. 手性