地下防水混凝土裂缝形成原因包括（）。 ["配合比设计","养护不合理","施工不规范","原材料选用"]
You enabled Flashback Data Archive on the INVENTORY table. Which DDL operation is supported on the table after enabling Flashback Data Archive？（） [" Drop the table."," Partition the table."," Truncate the table."," Add a column to the table."," Rename a column in the table."]
关于生物利用度的叙述，正确的是（） ["指药物被吸收利用的程度","指药物被机体吸收和消除的程度","生物利用度高表明药物吸收良好","是检验药品质量的指标之一","包括绝对生物利用度和相对生物利用度"]
Which statement is true about XpauseTarget in Oracle JRockit JVM ？ （） [" This option is supported by all type of Garbage collection modes."," This option is only supported by Generational Garbage Collection mode."," This option is only supported by Mark and Sweep Garbage Collection mode."," This option is only supported by Dynamic Garbage Collection mode."]
钢结构二级焊缝不得有（）缺陷。 ["电弧擦伤","咬边","未焊满","根部收缩"]
中国书法所负载的丰富文化内涵，体现着中国人特有的（）和（）。
