You go to see a doctor in a hospital. When he asks you, “What’s your trouble?” You should say “ . ”
A:I'm feeling terrible.
B:Don't trouble me.
C:Give me some medicine, please
D:Please take care of me
如图是钠元素和氯元素在元素周期表中的信息和有关的4种粒子结构示意图.下列说法正确的是( )
我国面积最大的省级行政区是____ .