准备英文的名词

　　With all the lesson preparation I have to do I work 12 hours a day.

　　加上必须的备课在内，我每天工作12个小时。

　　Careful preparation for the exam is essential.

　　认真准备考试十分必要。

　　She stressed the importance of careful preparation.

　　她强调了认真准备的重要性。