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The new test should enable doctors to detect the disease early.
In the past this process of transition has often proven difficult.
The man who came up with the idea for a virtual choir.
The place where he studied musical composition.
The name of his song.
How is a virtual choir different from other choirs? Who can take part in it?
A virtual choir is different from other choirs because you don't need to be together and you don't need a studio. This means anyone can take part anywhere.
What caused Eric Whitacre to fall in love with classical music? What gave him the inspiration to make his first virtual choir?
He fell in love with classical music when he was moved by Mozart's music at university for the first time. Ile was inspired to create the virtual choir by a video in which a girl sings one of his works.
moved by this music是过去分词短语，在句中作状语，用于说明原因，相当于As Eric was moved
by this music，它对主句动作起到修饰作用，表明主语是在被音乐打动后发出了感慨。
ordinary（事情）每天发生，十分平淡无奇；（人）无特别之处，很一般；
common（多指物）很常见，不稀奇
