角色期待的内容往往是一成不变的。
液化石油气燃烧时，一般每立方米气体的低发热量为10×104KJ/m3，约为焦炉煤气的（）倍。 ["2","3","4","5"]
Given the following DDL and INSERT statements: CREATE VIEW v1 AS SELECT col1 FROM t1 WHERE col1 > 10; CREATE VIEW v2 AS SELECT col1 FROM v1 WITH CASCADED CHECK OPTION; CREATE VIEW v3 AS SELECT col1 FROM v2 WHERE col1 < 100; INSERT INTO v1 VALUES(5); INSERT INTO v2 VALUES(5); INSERT INTO v3 VALUES(20); INSERT INTO v3 VALUES(100); How many of these INSERT statements will be successful?（） ["0","1","2","3"]
满配的XIV可以提供的主机端口组合是？（） ["16 FC·，6 iSCSI","16 FC·，12 iSCSI","24 FC·，6 iSCSI","24 FC·，12 iSCSI"]
（）调研报告正文主体中需要包括的内容。 ["目录","研究方法","附录","研究结果"]
CEC（阳离子交换量）
