根据首字母及汉语提示，完成下列单词的拼写，使句意通顺。

小题1:Do you think this kind of water is s_____(安全) for drinking?

小题2:He is writing on the blackboard with a piece of c_____ (粉笔).

小题3:Our teachers are all very s_____ (严格) with us students.

小题4:Tom i_____ (邀请) all his best friends to his birthday party last Sunday.

小题5:We have to d_____ (携带) a lot of books in our school bags every day.

当台风（热带风暴、强热带风暴）中心逐渐远离预报责任区，根据情况对外发布台风（热带风暴、强热带风暴）消息，向（）解除原来发布的警报。

A.公众

B.政府部门

C.防汛部门