根据句意及所给中文提示或英文解释，写出句中所缺单词，每空限填一个单词。

小题1:People like travelling in _________ (春天) because it is neither too hot nor too cold.

小题2:—What’s your father’s ________ (职业)?

—He is a doctor.

小题3:The 30^th Olympic Games will be held in London, the ________ (首都) of England.

小题4:Lucy is polite and _______ (乐于助人的). We all like her.

小题5:Our maths teacher asked you to go to his office ________ (立即). He is waiting for you.

小题6:Colours can change our moods and some may make us feel _________ (in need of sleep).

小题7:Hurry up, or we can’t ________ (arrive at) the railway station on time.

施行国务院《危险化学品安全管理条例》的目的是：为了（）。

A.加强对危险化学品的安全管理

B.预防和减少危险化学品事故

C.保障人民群众生命财产安全

D.保护环境

E.减少交通事故