目前主存储器一般由两类半导体器件组成,它们是RAM和ROM。
参考答案:对
根据中文意思完成句子。
1. When do you ________ ________ (开始上班) every day?
2. He ________ ________ ________ (想成为) an artist.
3. Look, they ________ ________ ________ (听) the teacher.
4. ________ ________ ________ (因此) , he leaves his country.
5. The people ________ ________ ________ ________ (全世界) love peace (和平) .
血压是指血管内流动着的血液对血管壁所产生的侧压力。