长期缺乏维生素B12可引起（）。 坏血病 。 癞皮病 。 脂溢性皮炎 。 恶性贫血。
张某为自己购买了一份终身寿险，并且指定妻子王某为受益人。在一次旅行中，两人不幸因发生车祸同时死亡，并且不能确定死亡先后顺序。那么保险金应该支付给（）。 张某的父母。 王某的父母。 张某的父母和王某的父母各50%。 受益人不存在，保险公司不需要支付保险金。
An administrator analyzes a poorly performing system and suspects that the issue is related to CPU resource. Upon reviewing output of vmstat, the administrator is concerned with the values in the ‘pc’ and ‘ec’ columns. Which definition describes these two headings?（） 'pc' refers to the number of physical processors consumed, while 'ec' refers to the percentage of entitled capacity consumed.。 'pc' refers to the 'physical CPUs' and lists how many are left un-allocated, while ec' refers to the 'entitled CPUs' and lists what amount is currently allocated to the LPAR.。 'pc' refers to the 'processor count' and reflects how many CPUs are allocated to the LPAR, while 'ec ' refers to the 'extra capacity' and lists how much above the LPAR entitlement is being consumed.。 'pc' refers to 'processor cards' and reflects how many MCM modules are actually being used by this LPAR, while 'ec' refers to the 'entitled CPUs'and lists what amount is currently allocated to the LPAR.。
作用管压力空气停止（），作用阀呈保压位，机车制动保压。 排出。 减压。 压缩。 增压。
Which of the following statements is used to grant user TOM and Application team APPGRP the ability to add data to table TAB1?（） GRANT ADD DATA ON TABLE tab1 TO GROUP tom appgrp。 GRANT INSERT TO USER tom, GROUP appgrp ON TABLE tab1。 GRANT INSERT ON TABLE tab1 TO USER tom, GROUP appgrp。 GRANT ADD DATA ON TABLE tab1 TO USER appgrp, GROUP tom。
文化的构成包括（）。
