【单选题】如果a 2 +ab=8,ab+b 2 =9,那么a 2 -b 2 的值是( )
【判断题】HBase利用Chubby作为协调服务作用。
【简答题】如果a 2 +ab=8,ab+b 2 =9,那么a 2 -b 2 的值是______.
【判断题】HBase作为Hadoop的子项目来进行开发维护,用于支持非结构化的海量数据存储。
【判断题】HBase作为Hadoop框架下的数据库,是被设计成在一个服务器集群上运行的。
【单选题】Our teacher says that ______ is not right for us to break the rules of the school.
【判断题】优秀的企业力求用简单的机构和精炼的系统来回应扩张发展的策略,也就是所谓的“精兵简政”,减少沟通环节,提高组织沟通效果。
【简答题】如果A={y|y=x 2 -2x+a,x∈R},B={x|2≤2 2-x <8,x∈Z},如果A∩B=B,则a的取值范围是______.
【简答题】Our world is full of rules. Everyone needs to obey them. But your idea about your school rules? Now many students like to talk about the rules that they have . At their school, they wear uniforms ever...