81.  So this increases the deaths and life expectancy is improved.

82.  Secondly, the facility of health is improved, many diseases can be cured which can ont be done before.

83.  For a instance, in the study of English, how can we improve our English level?

84.  Continuous practice can improve our skills.

85.  After you have a lot of reading, you will find that your comprehension of English is improving.

86.  If you often pratice spoken-English , then you will find your listening and expression is improving too.

87.  More practice can improve our speed.

88.  From the above we know practice will improve our English.

89.  We must read English everyday, so we can improve our English levers .

90.  There are many examples to improve it.