题干
The youth after 80’s are believed to be selfish and irresponsible, so experts suggest young parents should ____ their children to care about others.
A：bring u
B：bring out
C：bring i
D：bring about
答案(点此获取答案解析）
A
个白球和
个黑球，这些球除颜色外完全相同，从中摸出
个黑球的概率等于 ( )