DES加密算法的密文分组长度和有效密钥长度分别是()。
A、56bit，128bitB
暂无解析
The____populatedareawasabreedingplaceforinfectiousdiseases.
Thereareonlytenapplesleftinthebaskets,_____thespoiltones.
GreatasNewtonwas,manyofhisideas____todayandarebeingmodifiedbytheworkofscientistsofourtime.
Evenifhisletter（）tomorrow，it（）toolatetodoanything.
I_____thepartymuchmoreiftherehadn’tbeenquitesuchacrowdofpeoplethere.
