21.  And there are many trees surround the schoolhouse.And there are two classroom building, one lab building and a big playground in it .

22.  I know you are good for me,But I didn't understand you and quarrelled with you and..

23.  There are over 10,000 students and 2,500 teachers in ZhengZhou University today All of them are working hard to make ZhengZhou University better and better.

24.  To my opinion, both of the two views on job-hopping are normal we need.

25.  Because they May think that the flexible live are the true live , they want to change their everyday live .

26.  If the job you're doing now isn't the one you are interested in, you'd better change another one until you find the are to which you Decide to contribute all your life.

27.  This means recently more and more babies are born and less and less people died.

28.  But after you take money and are to reach the station, you suddenly think of that something important are forgotten.

29.  In 1990 it is 100 deaths per 1,000 births, but in 1960 it is higher.The reasons for the result are various, for example, the medical level's increasing and the economics' developing are all essential .

30.  It seems that these work are unnecessary, but they are often essential for the success in the future.