紫草为清热凉血药，兼能活血和解毒透疹。
参考答案：对
FCX－A智能型变送器的量程比为（）。
A、100：1
B、16：1
C、10：1
D、5：1
--- Did they attend the opening ceremony?
---They _, but they were late and quit it.
A．would
B．would have
C．didn't
D．will have to
