题目内容

串级调节指主调节器的输出是副调节器的给定,由副调节阀门动作。

A. 正确
B. 错误

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产品功能可从不同角度进行分析,按功能的性质不同,产品功能可分为()。

A. 必要功能和不必要功能
B. 基本功能和辅助功能
C. 使用功能和美学功能
D. 过剩功能和不足功能

NRA-OSA背对背信用证,是指总行离岸业务部以由招商银行境内分支机构或其他银行开出并以分行为通支行,以境内公司为申请人,以其境外关联公司NRA账户为受益人的人民币信用证为母证,根据该境外公司离岸账户(OSA账户)的申请开出外币背对背信用证(子证)的业务。

A. 正确
B. 错误

女性,26岁,服“农药”约20ml后咳嗽、出汗多,继之先咳白色泡沫痰后,痰呈粉红色,抽搐,呼之不应。体检:呼吸26次/分,血压14.7/10.7kPa(110/80mmHg),两侧瞳孔似针尖,两肺布满湿啰音,心率80次/分,律整。衣服上有呕吐物,大蒜样气味。本病例应立即首先给予()

A. 洗胃
B. 吸入经酒精湿化的高浓度氧气
C. 毛花苷C静脉注射
D. 静脉注射阿托品
E. 氨茶碱静脉注射

You need to design the restrictions on the Bank.Customers table. Which three actions should you perform?()

A. Design a trigger that verifies that the first names and surnames are not empty strings.
B. Design a check constraint that verifies that the first names and surnames are not empty strings.
C. Design a check constraint that uses a CLR user-defined function to verify that either the phone number is a null value or the format of the phone number is valid.
Design a trigger that uses a CLR user-defined function to verify that either the phone number is a null value or the format of the phone number is valid.
E. Design a check constraint that ensures that the phone number cannot be changed from a valid format to a null value or to an invalid format.
F. Design a trigger that ensures that the phone number cannot be changed from a valid format to a null value.

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