某战士在打靶中,连续射击两次,事件“至少有一次中靶”的对立事件是( )
A:两次都不中
B:至多有一次中靶
C:两次都中靶
D:只有一次中靶
进入青春期后,心理和生理都在发生迅速而明显的变化。我们对身体的变化变得更加敏感,心里也在充满了新奇和困惑。下面不属于青春期生理变化的是()
从方框中选择适当的单词完成短文。
What's this on the table? It is a ____ of my new classroom. ____ at the picture. ____ can you see ____ the classroom? I can see a ____ desk in the front of the classroom. Some books are ____ the desk. I can see two white ____ , too. There are____ colored chalks (彩色粉笔n them. ____ is the broom (扫帚)? It’s ____ the door. I like this new classroom.
犯罪是违法行为的一种,下列关于犯罪的基本特征说法正确的是( )