重点讲解:
1. a number of 一些;许多
I have a number of things to do today.
我今天有许多事情要做
。2. in the face of 面临...
She showed great courage in the face of danger.
面对危险她表现出了巨大的勇气
。3. be unable to do 无法做...
She was unable to keep back her tears.
她无法忍住泪水
。4. take steps to 采取措施
We must take steps to rectify the situation.
我们一定要采取措施整顿局面
。