The Crimea also released CDs for sale in shops because （）.

Man was, is and always will be trying to improve his living conditions.

Nobody can work well if he is distracting.

Cars turn into dead weapons when they are driven carelessly.

It"s no good learning English without practice.

There is nothing so admirable as a man whose sacrifices his life and happiness for others. 

No one should blind himself （） the well-known fact.

What effect has the Internet had on music piracy

The doctor will get more practice out of me than out of ten ordinary patients.

事實勝于雄辯。