91.  We must call for the all number of the society to struggle with them.

92.  In modern society, there are a large number of commodities in the stores.

93.  If a product which is fake comes into the Market and people who can not identify it, the number of its selling of the real product produced by the famous factory will apprantly Decrease .

94.  With the development of the economic , the factories produce more and more commodities, and a number of products are exist in the Market.

95.  With the development of the society many people find it can make money rapidly, so they make a large number of fake commodities.

96.  I have no right to complain about it, after all, the number of Tsinghua students is too large.

97.  The growth of industrial activity, in the same period, has likewise been remarkable in terms of expansion of existing plant capacity, and the increase in number of new manufacturing establishments.

98.  Professional sport May be classified as group sports and one-man sports, according to the number of participators in the contest.

99.  A classmate in Electric Engineering Department of Tsinghua University told us that he learned a number of difficult specialized courses, and he got high Marks.

100.  Most professional sports can be classified as group sports or individual sports, according to the number of players.