在顺序功能图编程中,当执行到活动步时,其后面的步也为活动步。
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在顺序功能图编程中,并行分支转向合并时,其前面的步均为活动步,且转换条件满足,才能转向合并之后的步。
A. 对
B. 错
Michael just came back from a historical place.
A. 对
B. 错
He just returned, fully relaxed, from taking a vacation at a seasideplace.
A. 对
B. 错
He was very excited about going to pubs or dancing there.
A. 对
B. 错