[多选题]PLC输出点类型的主要有哪些? ( )
A.继电器
B.可控硅
C.晶体管
D.IC 驱动电路

{{B}}Inspiration for Your Kids{{/B}}
A parent, or anyone else who interacts regularly with kids, knows that communicating effectively with them can be difficult. If you want children to grow up into the best possible versions of themselves, it’s crucial to replace damaging words in your vocabulary with alternatives that help build character. Some of the things parents say to kids seem harmless or even constructive on the surface, but, experts say, they may hurt more than help. Here are some aspects under our consideration.
{{B}}1. When the kid deserves praise{{/B}}
For years, we’ve been told that boosting a child’s self-esteem is important to his or her success in life. But child experts are now learning that too much praise can backfire (事与愿违). Praise-aholic tykes who expect it at every turn may become teens who seek the same kind of approval from their friends when offered