101.  It's important for us to protect the environment Don't destory the environment again!

102.  Protect the environment is a very important thing.

103.  But the people didn't protect the environment, they destroy the environment step by step.

104.  So we must protect the environment.

105.  Second, the medical cause has also improved, which helps to protect the people from many diseases.

106.  In addition to , Many Health organizations had been established so that they protected people from the illness.We hope that much more progress will be made!

107.  It also can make them know how to protect their bodies and to build up their bodies.

108.  In a word, global shortage of fresh water is one of the most serious problems facing us today.I think people should take some steps to solve this problem, of course, firstly we should protect fresh water resouce from polluting .

109.  Fouth , the entire human race should protect the enviroment to make a better world for our living.So, remember that the global is short of fresh water, don't waste it !

110.  Secondly, to protect the neat enviorment is also important.