题目内容
PLC采用了典型的计算机结构，主要是有CPU、RAM、ROM和专门设计的输入输出接口电路等组成( )
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可编程控制器只能通过编程器编制控制程序()
chat on line watch a movie talk on the phone go hikinglook at an exhibitflick through newspapersjoggingwindow shopping hang out with friendsplay with a pet1. Spring is coming! I love the nature so much that I’m going to ____________with my classmates this weekend if the whether is fine.
chat on line watch a movie talk on the phone go hikinglook at an exhibitflick through newspapersjoggingwindow shopping hang out with friendsplay with a pet2. Leisure buyers spend a lot of time ___________.
chat on line watch a movie talk on the phone go hikinglook at an exhibitflick through newspapersjoggingwindow shopping hang out with friendsplay with a pet3. Compared with going outside for amusement, I prefer to play computer games or ___________ at home.
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