There are different opinions among people as to ____ .Some people suggest that ____.
There is an old saying______. Its the experience of our forefathers，however，it is correct inmany cases even today.
Today, ____, which have brought a lot of harms in our daily life. First, ____ Second,____. Whatmakes things worse is that______.
nowadays，it is common to ______. many people like ______ because ______. besides，______.
everything has two sides and ______ is not an exception，it has both advantages and disadvantages.
peoples opinions about ______ vary from person to person. some people say that ______.to them,_____.
man is now facing a big problem ______ which is becoming more and more serious.
______ has become a hot topic among people，especially among the young and heated debates are right on their way.
______ has been playing an increasingly important role in our day-to-day life.it has brought us a lot of benefits but has created some serious problems as well.
according to the figure/number/statistics/percentages in the /chart/bar graph/line/graph，it can be seen that______ while. obviously，______，but why?
1、gaps are left in life through which comes the sad music of death.
2、on earth there is nothing great but man; in the man there is nothing great but mind.
3、good advice is beyond all price.
4、let life be beautiful like summer flower,and death like autumn tears.
5、where there is a will ,there is a way.
6、knowing something of everything and everything of something.
7、one sad voice has its nest among the ruins of the years. it sings to me in the night i loved you.
8、a bold attempt is half success.
9、a handful of common sense is worth a bushel of learning.
10、like teacher ,like students.
11、no invention has received more praise and abuse than internet.
12、a little knowledge is a dangerous thing.
13、if you want knowledge,you must toil for it.
14、doubt is the key of knowledge.
15、life is a leaf of paper white, thereon each of us may write his word or two.