普通话韵母的元音韵尾只有i和u两个。
对一个信息系统的性能进行估计、检查、测试、分析和评审的过程称为() ["系统维护","系统分析","系统评价","系统审计"]
Although Wales has been united with England for more than 400 years,the Welsh has kept alive(). ["their own language","their own literature","their own tradition","All of the above"]
2005年4月1日,我国又又34部法律,法规,规章开始实施。其中,国家级法规17部,地方级法规17部。34部法规的实施说明了()。
说明如何提高印版的润湿性?
指出下列各句中使用的修辞格。桃树、杏树、梨树,你不让我,我不让你,都开满了花赶趟儿。红的象火,粉的象霞,白的象雪。