青春期情绪表现的矛盾性特点有( )。
A. 强烈、狂暴性与温和、细腻性共存
B. 情绪的可变性与固执性并存
C. 内向性和表现性共存
D. 自我中心的独特自我出现
It is necessary for us to greet each other in our lives.
A. 对
B. 错
Greetings are the same in different situations.
A. 对
B. 错
We can use "hello" to greet people in an informal situation.
A. 对
B. 错