北京、上海社会消费品零债售额一览表 达式单位：亿元2000～2002年，下列选项中零

任务型阅读
Our teacher work very hard. They get up early in the morning and work very late. How to help our teacher ?
First, we must try to learn our subjects（科目）well to make our teachers spend less time on us and let them have more rest.
Second, we must clean the blackboard and the teacher’s desk very often. If (如果) we can do so, our teachers will work better and of course they will be happier.
Our teachers often have to speak for a long time and they are very thirsty(口渴的). At this time, it is better for us to bring them some water. When our teachers drink the water, they will speak more clearly (清楚). After our teachers correct (批改)our exercise books, we can help to hand them out (分发它们).
If we do so, our teachers can have a short rest. We all know that our teachers care about our marks (关心我们的分数) most, so we should try to go over(复习) our lessons to get high grades（成绩）.If all of us can get high grades, our teachers will feel (感觉)very happy.

How to ___小题1:___ our teacher
Ways (方法)	Results（结果）
Do ____小题2:___ in our subjects.	The teacher can have more time to have a ___小题3:_____.
Often help the teachers __小题4:______ the blackboard and the _____小题5:___ desk.	They __小题6:______ better and feel happier.
Bring them some water when they ____小题7:____ to drink water.	They will speak clearly.
Help them hand out our exercise books.	They can rest for a ____小题8:____ time.
Try to go over our lessons __小题9:______ taking exams（考试）.	_____小题10:___ grades will make them happy.