何处可放置数值常量？ A.
前面板 B.
程序框图 C.
连线板 D.
A 和 B

单项选择题Your surname is Branson, but the person you are speaking to said Manson. You would ... A、say nothing as it is not important. B、Repeat your surname with emphasis to correct misunderstanding. C、Write your surname down on some paper and give it to the person. D、Repeat your surname angrily.

多项选择题血的来源包括()