The mobile communication technology has evolved in four stages and correspondingly four generation of mobile phones have emerged thus far.
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-- ______I help you with some shoes, madam?- Yes, 1 would like to try on those brown ones.
A. Will
B. Should
C. May
D. Must
抽签的任务就是正确地解决“机遇”与“控制”这一对基本矛盾。
A. 对
B. 错
抽签的其中之一原则是种子选手要按种子序号分开,最后相遇。
A. 对
B. 错
小组赛抽签有二种方法:一是“蛇形排列”方法;二是“蛇形排列”结合抽签方法。
A. 对
B. 错