Which of the following statements about Leopold and Rudolph Blaschka is TRUE?

A． They were brothers.

B． They were artists.

C． They were florists.

D． They were farmers.

[单选题]Which of the following statements about object oriented database is not correct? (72) ．(72) A．Each object has a unique object identify in the systemB．Encapsulation and inheritance are two important features of object oriented databaseC．A subclass can

[单选题]Which of the following statements about object oriented database is not correct?A．Each object has a unique object identity in the system.B．Encapsulation and inheritance are two important features of object oriented databaseC．A subclass can inherit th

[单选题]Which of the following statements about labor unions can be concluded based on the information in the passage?A． Labor unions reached their peak of power in the 1986's.B． It. took labor unions many years to improve conditions for workers.C． The earl

[单选题]Which of the following statements about testing software with data is (are) true?Ⅰ.The primary purpose of such testing is to find errors.Ⅱ.Such testing can demonstrate the existence of errors but cannot demonstrate the absence of errors.A．NeitherB．I

[单选题]Which of the following statements about ORACLE is (are) correct?Ⅰ.ORACLE follows SQL standardⅡ.ORACLE database defines two logical types: table and viewA．ⅠonlyB．Ⅱ onlyC．Ⅰ and ⅡD．none of the above

[单选题]Which of the following statements about object oriented database is NOT correct ?A．Each object has a unique object identity in the systemB．Encapsulation and inheritance are two important features of object oriented databaseC．A subclass can inherit th

[单选题]Which of the following statements about internet is (are) correct?Ⅰ.Each host in internet only has a IP address.Ⅱ.It is possible to have multiple names corresponding to the same IP address.Ⅲ.In users' points, Internet means a virtual network.A．NoneB

[单选题]Which of the following statements about a money market is NOT true according to this passage?A．Money market does not exist in planned economies.B．Money market has been established in some socialist countries.C．Money market encourages open competition

[单选题]Which of the following statements about the elevator pitch are true?A．It must grab the audience’s attention.B．It is a well-structured concise speech.C．It starts with some common concerns and ends up with an interesting hook.D．It should arouse the lis

[单选题]Which of the following statements about the situational-behavioral interview are true?A．The interviewees need use STAR model or structure to specify their past behaviors in a given situation.B．The interviewees should consider the three steps or eleme