计算机硬件系统由中央处理器、硬盘、键盘、鼠标和显示器五大基本部件组成。( )
参考答案:错
解析: 计算机硬件系统由输入设备、输出设备、运算器、存储器和控制器五大部分组成。
建设工程项目的单件性和分散性要求建设工程具有()。
A.控制的严谨性
B.控制面广
C.控制的动态性
D.控制系统交叉性
Everybody dreams. Some people think dreams can tell us about the future. Other people think dreams can tell us about ourselves. It’s like our (11) is talking to us. Why are dreams (12) strange and hard to understand Some people think our brain uses (13) to talk to us. When we fly, swim, or fall down in our dreams, it has a (14) meaning. Lots of doctors help people (15) their dreams. They find that dreams tell us about our (16) and fears. These days, many scientists (17) that dreams are very important. During the day, we have many (18) , and our brain receives a lot of information. When we dream, our brain (19) information that is not important, and puts the most important information into our (20) . As we learn more about the brain, we may find answers to our questions about dreams.
Ⅰ. 完形填空
A.symbols
B.examples
C.numbers
D.pictures