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【简答题】
读一读，排一排。 ( ) I don't think so. We are going to play s. That dress is too long. ( ) I'm going to go to a party. What should I wear? ( ) My friend's birthday party. ( ) Yes, that will be great! ( ) What about the blue jeans and the yellow T-shirt? ( ) What party? ( ) Why don't you wear your beautiful blue dress?
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题目标签：一排
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】在S7-300PLC上有一排工作指示灯，其中SF灯亮红色代表 错误，而BUSF灯亮，代表 错误：
A.
强制作业有效、硬件或软件
B.
强制作业有效、总线
C.
硬件或软件、 PROFIBUS-DP 接口硬件或软件
D.
总线、硬件或软件