请根据句意、中文提示或英语释义写单词。

请根据句意、中文提示或英语释义写单词。
小题1:Musical training can make you smarter, (尤其) when you start at a young age.
小题2:Li Minhao’s ________(到达) made the fans scream excitedly.
小题3:The real purpose of study is to ____________(make better) your abilities.
小题4:The CD-ROM helps you learn English by testing your _____(information and understanding in the mind) of English grammar.
小题5:As we know, is the second month of a year.