三、译成汉语判断句

The decision to attack was not taken lightly.   进攻的决定不是轻易作出的。

Printing was introduced into Europe from China.   印刷术是从中国传入欧洲的。

The manuscript was sent to the printer in London a few weeks before the French revolution.   手稿是在法国革命前几周寄往伦敦付印的。

The credit system in America was first adopted by Harvard University in 1872.   美国的学分制是1872年在哈佛大学首先实施的。