英语翻译: 1.这是一本非常有用的书，因为它将一切都解释得很清楚。 2.为了按时到校，她早早就起床

This is a useful book，it's understandale in explaining。
in order go to school on time ，she is get up early，so，she is gain prise from her teacher。

1.这是一本非常有用的书，因为它将一切都解释得很清楚。
This book is useful, it explains everything in details.
2.为了按时到校，她早早就起床了，因此，他受到了老师的表扬
She/He get up early in the morning so that she/he'll arrive at the school on time, thus, she/he gets compliment from her/his teacher.