船舶日常消防训练的内容有：
A、对消防队和隔离队的训练
B、灭火技术训练
C、灭火战术训练
D、以上均对
参考答案：D
Mr. Black is strongly _______keeping animals in the zoo, because he thinks animals should also have the right to enjoy freedom.
A．up
B．for
C．against
D．down
试述持枪自杀涉枪案的现场特点。
