课文详注 Further notes on the text
1． flew off course
Our office is off the main street.
During the storm, the ship went off course.
2． her two baby daughters
3． Snow lay thick on the ground.
When I saw her yesterday, she lay ill in bed.
The old man lies ill and neglected in bed.
4．The woman kept as near as she could to the children…
keep在这里表示“保持（某种状态）”。 as…as one can/could和 as…as possible同义，都表示“尽可能……”：
He got through as much food as he could and set out.
Tell Jim to come to my office as soon as he can.
5. She stamped out the letters ‘SOS’ in the snow.
The writer has brought out another book.
He wrote out a long list of all the foods which were forbidden.
6. It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
（2）It was not long before…为固定句型，表示“不久就……”（也可以用 It will not be long before…表示将来可能发生的事），其含义与before long（不久）相近，只是before在课文这个句型中是连词，而在before long中为介词：
It was not long before they learnt the news.
It will not be long before he gets over his illness.